1349 lines
36 KiB
C
1349 lines
36 KiB
C
/*
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* TI DA850/OMAP-L138 chip specific setup
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*
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* Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Derived from: arch/arm/mach-davinci/da830.c
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* Original Copyrights follow:
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*
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* 2009 (c) MontaVista Software, Inc. This file is licensed under
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* the terms of the GNU General Public License version 2. This program
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* is licensed "as is" without any warranty of any kind, whether express
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* or implied.
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*/
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/platform_device.h>
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#include <linux/cpufreq.h>
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#include <linux/regulator/consumer.h>
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#include <linux/platform_data/gpio-davinci.h>
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#include <asm/mach/map.h>
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#include <mach/psc.h>
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#include <mach/irqs.h>
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#include <mach/cputype.h>
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#include <mach/common.h>
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#include <mach/time.h>
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#include <mach/da8xx.h>
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#include <mach/cpufreq.h>
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#include <mach/pm.h>
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#include "clock.h"
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#include "mux.h"
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/* SoC specific clock flags */
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#define DA850_CLK_ASYNC3 BIT(16)
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#define DA850_PLL1_BASE 0x01e1a000
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#define DA850_TIMER64P2_BASE 0x01f0c000
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#define DA850_TIMER64P3_BASE 0x01f0d000
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#define DA850_REF_FREQ 24000000
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#define CFGCHIP3_ASYNC3_CLKSRC BIT(4)
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#define CFGCHIP3_PLL1_MASTER_LOCK BIT(5)
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#define CFGCHIP0_PLL_MASTER_LOCK BIT(4)
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static int da850_set_armrate(struct clk *clk, unsigned long rate);
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static int da850_round_armrate(struct clk *clk, unsigned long rate);
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static int da850_set_pll0rate(struct clk *clk, unsigned long armrate);
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static struct pll_data pll0_data = {
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.num = 1,
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.phys_base = DA8XX_PLL0_BASE,
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.flags = PLL_HAS_PREDIV | PLL_HAS_POSTDIV,
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};
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static struct clk ref_clk = {
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.name = "ref_clk",
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.rate = DA850_REF_FREQ,
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.set_rate = davinci_simple_set_rate,
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};
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static struct clk pll0_clk = {
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.name = "pll0",
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.parent = &ref_clk,
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.pll_data = &pll0_data,
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.flags = CLK_PLL,
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.set_rate = da850_set_pll0rate,
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};
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static struct clk pll0_aux_clk = {
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.name = "pll0_aux_clk",
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.parent = &pll0_clk,
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.flags = CLK_PLL | PRE_PLL,
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};
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static struct clk pll0_sysclk1 = {
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.name = "pll0_sysclk1",
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.parent = &pll0_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV1,
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};
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static struct clk pll0_sysclk2 = {
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.name = "pll0_sysclk2",
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.parent = &pll0_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV2,
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};
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static struct clk pll0_sysclk3 = {
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.name = "pll0_sysclk3",
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.parent = &pll0_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV3,
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.set_rate = davinci_set_sysclk_rate,
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.maxrate = 100000000,
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};
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static struct clk pll0_sysclk4 = {
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.name = "pll0_sysclk4",
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.parent = &pll0_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV4,
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};
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static struct clk pll0_sysclk5 = {
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.name = "pll0_sysclk5",
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.parent = &pll0_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV5,
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};
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static struct clk pll0_sysclk6 = {
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.name = "pll0_sysclk6",
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.parent = &pll0_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV6,
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};
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static struct clk pll0_sysclk7 = {
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.name = "pll0_sysclk7",
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.parent = &pll0_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV7,
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};
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static struct pll_data pll1_data = {
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.num = 2,
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.phys_base = DA850_PLL1_BASE,
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.flags = PLL_HAS_POSTDIV,
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};
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static struct clk pll1_clk = {
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.name = "pll1",
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.parent = &ref_clk,
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.pll_data = &pll1_data,
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.flags = CLK_PLL,
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};
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static struct clk pll1_aux_clk = {
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.name = "pll1_aux_clk",
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.parent = &pll1_clk,
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.flags = CLK_PLL | PRE_PLL,
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};
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static struct clk pll1_sysclk2 = {
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.name = "pll1_sysclk2",
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.parent = &pll1_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV2,
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};
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static struct clk pll1_sysclk3 = {
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.name = "pll1_sysclk3",
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.parent = &pll1_clk,
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.flags = CLK_PLL,
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.div_reg = PLLDIV3,
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};
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static struct clk i2c0_clk = {
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.name = "i2c0",
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.parent = &pll0_aux_clk,
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};
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static struct clk timerp64_0_clk = {
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.name = "timer0",
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.parent = &pll0_aux_clk,
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};
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static struct clk timerp64_1_clk = {
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.name = "timer1",
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.parent = &pll0_aux_clk,
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};
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static struct clk arm_rom_clk = {
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.name = "arm_rom",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_ARM_RAM_ROM,
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.flags = ALWAYS_ENABLED,
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};
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static struct clk tpcc0_clk = {
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.name = "tpcc0",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_TPCC,
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.flags = ALWAYS_ENABLED | CLK_PSC,
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};
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static struct clk tptc0_clk = {
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.name = "tptc0",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_TPTC0,
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.flags = ALWAYS_ENABLED,
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};
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static struct clk tptc1_clk = {
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.name = "tptc1",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_TPTC1,
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.flags = ALWAYS_ENABLED,
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};
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static struct clk tpcc1_clk = {
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.name = "tpcc1",
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.parent = &pll0_sysclk2,
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.lpsc = DA850_LPSC1_TPCC1,
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.gpsc = 1,
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.flags = CLK_PSC | ALWAYS_ENABLED,
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};
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static struct clk tptc2_clk = {
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.name = "tptc2",
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.parent = &pll0_sysclk2,
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.lpsc = DA850_LPSC1_TPTC2,
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.gpsc = 1,
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.flags = ALWAYS_ENABLED,
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};
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static struct clk pruss_clk = {
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.name = "pruss",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_PRUSS,
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};
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static struct clk uart0_clk = {
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.name = "uart0",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_UART0,
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};
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static struct clk uart1_clk = {
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.name = "uart1",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_UART1,
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.gpsc = 1,
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.flags = DA850_CLK_ASYNC3,
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};
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static struct clk uart2_clk = {
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.name = "uart2",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_UART2,
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.gpsc = 1,
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.flags = DA850_CLK_ASYNC3,
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};
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static struct clk aintc_clk = {
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.name = "aintc",
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.parent = &pll0_sysclk4,
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.lpsc = DA8XX_LPSC0_AINTC,
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.flags = ALWAYS_ENABLED,
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};
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static struct clk gpio_clk = {
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.name = "gpio",
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.parent = &pll0_sysclk4,
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.lpsc = DA8XX_LPSC1_GPIO,
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.gpsc = 1,
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};
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static struct clk i2c1_clk = {
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.name = "i2c1",
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.parent = &pll0_sysclk4,
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.lpsc = DA8XX_LPSC1_I2C,
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.gpsc = 1,
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};
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static struct clk emif3_clk = {
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.name = "emif3",
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.parent = &pll0_sysclk5,
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.lpsc = DA8XX_LPSC1_EMIF3C,
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.gpsc = 1,
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.flags = ALWAYS_ENABLED,
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};
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static struct clk arm_clk = {
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.name = "arm",
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.parent = &pll0_sysclk6,
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.lpsc = DA8XX_LPSC0_ARM,
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.flags = ALWAYS_ENABLED,
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.set_rate = da850_set_armrate,
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.round_rate = da850_round_armrate,
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};
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static struct clk rmii_clk = {
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.name = "rmii",
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.parent = &pll0_sysclk7,
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};
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static struct clk emac_clk = {
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.name = "emac",
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.parent = &pll0_sysclk4,
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.lpsc = DA8XX_LPSC1_CPGMAC,
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.gpsc = 1,
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};
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static struct clk mcasp_clk = {
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.name = "mcasp",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_McASP0,
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.gpsc = 1,
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.flags = DA850_CLK_ASYNC3,
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};
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static struct clk lcdc_clk = {
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.name = "lcdc",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_LCDC,
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.gpsc = 1,
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};
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static struct clk mmcsd0_clk = {
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.name = "mmcsd0",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_MMC_SD,
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};
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static struct clk mmcsd1_clk = {
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.name = "mmcsd1",
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.parent = &pll0_sysclk2,
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.lpsc = DA850_LPSC1_MMC_SD1,
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.gpsc = 1,
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};
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static struct clk aemif_clk = {
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.name = "aemif",
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.parent = &pll0_sysclk3,
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.lpsc = DA8XX_LPSC0_EMIF25,
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.flags = ALWAYS_ENABLED,
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};
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static struct clk usb11_clk = {
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.name = "usb11",
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.parent = &pll0_sysclk4,
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.lpsc = DA8XX_LPSC1_USB11,
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.gpsc = 1,
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};
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static struct clk usb20_clk = {
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.name = "usb20",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_USB20,
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.gpsc = 1,
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};
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static struct clk spi0_clk = {
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.name = "spi0",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC0_SPI0,
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};
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static struct clk spi1_clk = {
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.name = "spi1",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_SPI1,
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.gpsc = 1,
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.flags = DA850_CLK_ASYNC3,
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};
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static struct clk vpif_clk = {
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.name = "vpif",
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.parent = &pll0_sysclk2,
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.lpsc = DA850_LPSC1_VPIF,
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.gpsc = 1,
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};
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static struct clk sata_clk = {
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.name = "sata",
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.parent = &pll0_sysclk2,
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.lpsc = DA850_LPSC1_SATA,
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.gpsc = 1,
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.flags = PSC_FORCE,
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};
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static struct clk dsp_clk = {
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.name = "dsp",
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.parent = &pll0_sysclk1,
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.domain = DAVINCI_GPSC_DSPDOMAIN,
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.lpsc = DA8XX_LPSC0_GEM,
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.flags = PSC_LRST | PSC_FORCE,
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};
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static struct clk ehrpwm_clk = {
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.name = "ehrpwm",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_PWM,
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.gpsc = 1,
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.flags = DA850_CLK_ASYNC3,
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};
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#define DA8XX_EHRPWM_TBCLKSYNC BIT(12)
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static void ehrpwm_tblck_enable(struct clk *clk)
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{
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u32 val;
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val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
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val |= DA8XX_EHRPWM_TBCLKSYNC;
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writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
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}
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static void ehrpwm_tblck_disable(struct clk *clk)
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{
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u32 val;
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val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
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val &= ~DA8XX_EHRPWM_TBCLKSYNC;
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writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP1_REG));
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}
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static struct clk ehrpwm_tbclk = {
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.name = "ehrpwm_tbclk",
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.parent = &ehrpwm_clk,
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.clk_enable = ehrpwm_tblck_enable,
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.clk_disable = ehrpwm_tblck_disable,
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};
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static struct clk ecap_clk = {
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.name = "ecap",
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.parent = &pll0_sysclk2,
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.lpsc = DA8XX_LPSC1_ECAP,
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.gpsc = 1,
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.flags = DA850_CLK_ASYNC3,
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};
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static struct clk_lookup da850_clks[] = {
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CLK(NULL, "ref", &ref_clk),
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CLK(NULL, "pll0", &pll0_clk),
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CLK(NULL, "pll0_aux", &pll0_aux_clk),
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CLK(NULL, "pll0_sysclk1", &pll0_sysclk1),
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CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
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CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
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CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
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CLK(NULL, "pll0_sysclk5", &pll0_sysclk5),
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CLK(NULL, "pll0_sysclk6", &pll0_sysclk6),
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CLK(NULL, "pll0_sysclk7", &pll0_sysclk7),
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CLK(NULL, "pll1", &pll1_clk),
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CLK(NULL, "pll1_aux", &pll1_aux_clk),
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CLK(NULL, "pll1_sysclk2", &pll1_sysclk2),
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CLK(NULL, "pll1_sysclk3", &pll1_sysclk3),
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CLK("i2c_davinci.1", NULL, &i2c0_clk),
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CLK(NULL, "timer0", &timerp64_0_clk),
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CLK("davinci-wdt", NULL, &timerp64_1_clk),
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CLK(NULL, "arm_rom", &arm_rom_clk),
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CLK(NULL, "tpcc0", &tpcc0_clk),
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CLK(NULL, "tptc0", &tptc0_clk),
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CLK(NULL, "tptc1", &tptc1_clk),
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CLK(NULL, "tpcc1", &tpcc1_clk),
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CLK(NULL, "tptc2", &tptc2_clk),
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CLK("pruss_uio", "pruss", &pruss_clk),
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CLK("serial8250.0", NULL, &uart0_clk),
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CLK("serial8250.1", NULL, &uart1_clk),
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CLK("serial8250.2", NULL, &uart2_clk),
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CLK(NULL, "aintc", &aintc_clk),
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CLK(NULL, "gpio", &gpio_clk),
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CLK("i2c_davinci.2", NULL, &i2c1_clk),
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CLK(NULL, "emif3", &emif3_clk),
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CLK(NULL, "arm", &arm_clk),
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CLK(NULL, "rmii", &rmii_clk),
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CLK("davinci_emac.1", NULL, &emac_clk),
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CLK("davinci_mdio.0", "fck", &emac_clk),
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CLK("davinci-mcasp.0", NULL, &mcasp_clk),
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CLK("da8xx_lcdc.0", "fck", &lcdc_clk),
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CLK("da830-mmc.0", NULL, &mmcsd0_clk),
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CLK("da830-mmc.1", NULL, &mmcsd1_clk),
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CLK(NULL, "aemif", &aemif_clk),
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CLK(NULL, "usb11", &usb11_clk),
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CLK(NULL, "usb20", &usb20_clk),
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CLK("spi_davinci.0", NULL, &spi0_clk),
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CLK("spi_davinci.1", NULL, &spi1_clk),
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CLK("vpif", NULL, &vpif_clk),
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CLK("ahci_da850", NULL, &sata_clk),
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CLK("davinci-rproc.0", NULL, &dsp_clk),
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CLK("ehrpwm", "fck", &ehrpwm_clk),
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CLK("ehrpwm", "tbclk", &ehrpwm_tbclk),
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CLK("ecap", "fck", &ecap_clk),
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CLK(NULL, NULL, NULL),
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};
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/*
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* Device specific mux setup
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*
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* soc description mux mode mode mux dbg
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* reg offset mask mode
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*/
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static const struct mux_config da850_pins[] = {
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#ifdef CONFIG_DAVINCI_MUX
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/* UART0 function */
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MUX_CFG(DA850, NUART0_CTS, 3, 24, 15, 2, false)
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MUX_CFG(DA850, NUART0_RTS, 3, 28, 15, 2, false)
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MUX_CFG(DA850, UART0_RXD, 3, 16, 15, 2, false)
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MUX_CFG(DA850, UART0_TXD, 3, 20, 15, 2, false)
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/* UART1 function */
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MUX_CFG(DA850, UART1_RXD, 4, 24, 15, 2, false)
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MUX_CFG(DA850, UART1_TXD, 4, 28, 15, 2, false)
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/* UART2 function */
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MUX_CFG(DA850, UART2_RXD, 4, 16, 15, 2, false)
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MUX_CFG(DA850, UART2_TXD, 4, 20, 15, 2, false)
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/* I2C1 function */
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MUX_CFG(DA850, I2C1_SCL, 4, 16, 15, 4, false)
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MUX_CFG(DA850, I2C1_SDA, 4, 20, 15, 4, false)
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/* I2C0 function */
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MUX_CFG(DA850, I2C0_SDA, 4, 12, 15, 2, false)
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MUX_CFG(DA850, I2C0_SCL, 4, 8, 15, 2, false)
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/* EMAC function */
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MUX_CFG(DA850, MII_TXEN, 2, 4, 15, 8, false)
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MUX_CFG(DA850, MII_TXCLK, 2, 8, 15, 8, false)
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MUX_CFG(DA850, MII_COL, 2, 12, 15, 8, false)
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MUX_CFG(DA850, MII_TXD_3, 2, 16, 15, 8, false)
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MUX_CFG(DA850, MII_TXD_2, 2, 20, 15, 8, false)
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MUX_CFG(DA850, MII_TXD_1, 2, 24, 15, 8, false)
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MUX_CFG(DA850, MII_TXD_0, 2, 28, 15, 8, false)
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MUX_CFG(DA850, MII_RXCLK, 3, 0, 15, 8, false)
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MUX_CFG(DA850, MII_RXDV, 3, 4, 15, 8, false)
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MUX_CFG(DA850, MII_RXER, 3, 8, 15, 8, false)
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MUX_CFG(DA850, MII_CRS, 3, 12, 15, 8, false)
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MUX_CFG(DA850, MII_RXD_3, 3, 16, 15, 8, false)
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MUX_CFG(DA850, MII_RXD_2, 3, 20, 15, 8, false)
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MUX_CFG(DA850, MII_RXD_1, 3, 24, 15, 8, false)
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MUX_CFG(DA850, MII_RXD_0, 3, 28, 15, 8, false)
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MUX_CFG(DA850, MDIO_CLK, 4, 0, 15, 8, false)
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MUX_CFG(DA850, MDIO_D, 4, 4, 15, 8, false)
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MUX_CFG(DA850, RMII_TXD_0, 14, 12, 15, 8, false)
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MUX_CFG(DA850, RMII_TXD_1, 14, 8, 15, 8, false)
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MUX_CFG(DA850, RMII_TXEN, 14, 16, 15, 8, false)
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MUX_CFG(DA850, RMII_CRS_DV, 15, 4, 15, 8, false)
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MUX_CFG(DA850, RMII_RXD_0, 14, 24, 15, 8, false)
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MUX_CFG(DA850, RMII_RXD_1, 14, 20, 15, 8, false)
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MUX_CFG(DA850, RMII_RXER, 14, 28, 15, 8, false)
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MUX_CFG(DA850, RMII_MHZ_50_CLK, 15, 0, 15, 0, false)
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/* McASP function */
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MUX_CFG(DA850, ACLKR, 0, 0, 15, 1, false)
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MUX_CFG(DA850, ACLKX, 0, 4, 15, 1, false)
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MUX_CFG(DA850, AFSR, 0, 8, 15, 1, false)
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MUX_CFG(DA850, AFSX, 0, 12, 15, 1, false)
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MUX_CFG(DA850, AHCLKR, 0, 16, 15, 1, false)
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MUX_CFG(DA850, AHCLKX, 0, 20, 15, 1, false)
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MUX_CFG(DA850, AMUTE, 0, 24, 15, 1, false)
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MUX_CFG(DA850, AXR_15, 1, 0, 15, 1, false)
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MUX_CFG(DA850, AXR_14, 1, 4, 15, 1, false)
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MUX_CFG(DA850, AXR_13, 1, 8, 15, 1, false)
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MUX_CFG(DA850, AXR_12, 1, 12, 15, 1, false)
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MUX_CFG(DA850, AXR_11, 1, 16, 15, 1, false)
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MUX_CFG(DA850, AXR_10, 1, 20, 15, 1, false)
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MUX_CFG(DA850, AXR_9, 1, 24, 15, 1, false)
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MUX_CFG(DA850, AXR_8, 1, 28, 15, 1, false)
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MUX_CFG(DA850, AXR_7, 2, 0, 15, 1, false)
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MUX_CFG(DA850, AXR_6, 2, 4, 15, 1, false)
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MUX_CFG(DA850, AXR_5, 2, 8, 15, 1, false)
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MUX_CFG(DA850, AXR_4, 2, 12, 15, 1, false)
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MUX_CFG(DA850, AXR_3, 2, 16, 15, 1, false)
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MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
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MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
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MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
|
|
/* LCD function */
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MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false)
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MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false)
|
|
MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false)
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MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false)
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MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false)
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MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false)
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|
MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false)
|
|
MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false)
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|
MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
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|
MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
|
|
MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
|
|
/* MMC/SD0 function */
|
|
MUX_CFG(DA850, MMCSD0_DAT_0, 10, 8, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD0_DAT_1, 10, 12, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD0_DAT_2, 10, 16, 15, 2, false)
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|
MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false)
|
|
/* MMC/SD1 function */
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|
MUX_CFG(DA850, MMCSD1_DAT_0, 18, 8, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD1_DAT_1, 19, 16, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD1_DAT_2, 19, 12, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD1_DAT_3, 19, 8, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD1_CLK, 18, 12, 15, 2, false)
|
|
MUX_CFG(DA850, MMCSD1_CMD, 18, 16, 15, 2, false)
|
|
/* EMIF2.5/EMIFA function */
|
|
MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_D_5, 9, 8, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_D_4, 9, 12, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_D_3, 9, 16, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_D_2, 9, 20, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_D_1, 9, 24, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_D_0, 9, 28, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_A_1, 12, 24, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_A_2, 12, 20, 15, 1, false)
|
|
MUX_CFG(DA850, NEMA_CS_3, 7, 4, 15, 1, false)
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|
MUX_CFG(DA850, NEMA_CS_4, 7, 8, 15, 1, false)
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|
MUX_CFG(DA850, NEMA_WE, 7, 16, 15, 1, false)
|
|
MUX_CFG(DA850, NEMA_OE, 7, 20, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_0, 12, 28, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_3, 12, 16, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_4, 12, 12, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_5, 12, 8, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_6, 12, 4, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_7, 12, 0, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_8, 11, 28, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_9, 11, 24, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_10, 11, 20, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_11, 11, 16, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_12, 11, 12, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_13, 11, 8, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_14, 11, 4, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_15, 11, 0, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_16, 10, 28, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_17, 10, 24, 15, 1, false)
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MUX_CFG(DA850, EMA_A_18, 10, 20, 15, 1, false)
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MUX_CFG(DA850, EMA_A_19, 10, 16, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_20, 10, 12, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_21, 10, 8, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_22, 10, 4, 15, 1, false)
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|
MUX_CFG(DA850, EMA_A_23, 10, 0, 15, 1, false)
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MUX_CFG(DA850, EMA_D_8, 8, 28, 15, 1, false)
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MUX_CFG(DA850, EMA_D_9, 8, 24, 15, 1, false)
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|
MUX_CFG(DA850, EMA_D_10, 8, 20, 15, 1, false)
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|
MUX_CFG(DA850, EMA_D_11, 8, 16, 15, 1, false)
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|
MUX_CFG(DA850, EMA_D_12, 8, 12, 15, 1, false)
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|
MUX_CFG(DA850, EMA_D_13, 8, 8, 15, 1, false)
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|
MUX_CFG(DA850, EMA_D_14, 8, 4, 15, 1, false)
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|
MUX_CFG(DA850, EMA_D_15, 8, 0, 15, 1, false)
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|
MUX_CFG(DA850, EMA_BA_1, 5, 24, 15, 1, false)
|
|
MUX_CFG(DA850, EMA_CLK, 6, 0, 15, 1, false)
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|
MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false)
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MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false)
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|
/* GPIO function */
|
|
MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
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|
MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO6_9, 13, 24, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false)
|
|
MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false)
|
|
MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
|
|
/* VPIF Capture */
|
|
MUX_CFG(DA850, VPIF_DIN0, 15, 4, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN1, 15, 0, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN2, 14, 28, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN3, 14, 24, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN4, 14, 20, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN5, 14, 16, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN6, 14, 12, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN7, 14, 8, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN8, 16, 4, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN9, 16, 0, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN10, 15, 28, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN11, 15, 24, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN12, 15, 20, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN13, 15, 16, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN14, 15, 12, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DIN15, 15, 8, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_CLKIN0, 14, 0, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_CLKIN1, 14, 4, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_CLKIN2, 19, 8, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_CLKIN3, 19, 16, 15, 1, false)
|
|
/* VPIF Display */
|
|
MUX_CFG(DA850, VPIF_DOUT0, 17, 4, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT1, 17, 0, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT2, 16, 28, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT3, 16, 24, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT4, 16, 20, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT5, 16, 16, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT6, 16, 12, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT7, 16, 8, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT8, 18, 4, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT9, 18, 0, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT10, 17, 28, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT11, 17, 24, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT12, 17, 20, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT13, 17, 16, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT14, 17, 12, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_DOUT15, 17, 8, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_CLKO2, 19, 12, 15, 1, false)
|
|
MUX_CFG(DA850, VPIF_CLKO3, 19, 20, 15, 1, false)
|
|
#endif
|
|
};
|
|
|
|
const short da850_i2c0_pins[] __initconst = {
|
|
DA850_I2C0_SDA, DA850_I2C0_SCL,
|
|
-1
|
|
};
|
|
|
|
const short da850_i2c1_pins[] __initconst = {
|
|
DA850_I2C1_SCL, DA850_I2C1_SDA,
|
|
-1
|
|
};
|
|
|
|
const short da850_lcdcntl_pins[] __initconst = {
|
|
DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
|
|
DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
|
|
DA850_LCD_D_8, DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11,
|
|
DA850_LCD_D_12, DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15,
|
|
DA850_LCD_PCLK, DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS,
|
|
-1
|
|
};
|
|
|
|
const short da850_vpif_capture_pins[] __initdata = {
|
|
DA850_VPIF_DIN0, DA850_VPIF_DIN1, DA850_VPIF_DIN2, DA850_VPIF_DIN3,
|
|
DA850_VPIF_DIN4, DA850_VPIF_DIN5, DA850_VPIF_DIN6, DA850_VPIF_DIN7,
|
|
DA850_VPIF_DIN8, DA850_VPIF_DIN9, DA850_VPIF_DIN10, DA850_VPIF_DIN11,
|
|
DA850_VPIF_DIN12, DA850_VPIF_DIN13, DA850_VPIF_DIN14, DA850_VPIF_DIN15,
|
|
DA850_VPIF_CLKIN0, DA850_VPIF_CLKIN1, DA850_VPIF_CLKIN2,
|
|
DA850_VPIF_CLKIN3,
|
|
-1
|
|
};
|
|
|
|
const short da850_vpif_display_pins[] __initdata = {
|
|
DA850_VPIF_DOUT0, DA850_VPIF_DOUT1, DA850_VPIF_DOUT2, DA850_VPIF_DOUT3,
|
|
DA850_VPIF_DOUT4, DA850_VPIF_DOUT5, DA850_VPIF_DOUT6, DA850_VPIF_DOUT7,
|
|
DA850_VPIF_DOUT8, DA850_VPIF_DOUT9, DA850_VPIF_DOUT10,
|
|
DA850_VPIF_DOUT11, DA850_VPIF_DOUT12, DA850_VPIF_DOUT13,
|
|
DA850_VPIF_DOUT14, DA850_VPIF_DOUT15, DA850_VPIF_CLKO2,
|
|
DA850_VPIF_CLKO3,
|
|
-1
|
|
};
|
|
|
|
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
|
|
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
|
|
[IRQ_DA8XX_COMMTX] = 7,
|
|
[IRQ_DA8XX_COMMRX] = 7,
|
|
[IRQ_DA8XX_NINT] = 7,
|
|
[IRQ_DA8XX_EVTOUT0] = 7,
|
|
[IRQ_DA8XX_EVTOUT1] = 7,
|
|
[IRQ_DA8XX_EVTOUT2] = 7,
|
|
[IRQ_DA8XX_EVTOUT3] = 7,
|
|
[IRQ_DA8XX_EVTOUT4] = 7,
|
|
[IRQ_DA8XX_EVTOUT5] = 7,
|
|
[IRQ_DA8XX_EVTOUT6] = 7,
|
|
[IRQ_DA8XX_EVTOUT7] = 7,
|
|
[IRQ_DA8XX_CCINT0] = 7,
|
|
[IRQ_DA8XX_CCERRINT] = 7,
|
|
[IRQ_DA8XX_TCERRINT0] = 7,
|
|
[IRQ_DA8XX_AEMIFINT] = 7,
|
|
[IRQ_DA8XX_I2CINT0] = 7,
|
|
[IRQ_DA8XX_MMCSDINT0] = 7,
|
|
[IRQ_DA8XX_MMCSDINT1] = 7,
|
|
[IRQ_DA8XX_ALLINT0] = 7,
|
|
[IRQ_DA8XX_RTC] = 7,
|
|
[IRQ_DA8XX_SPINT0] = 7,
|
|
[IRQ_DA8XX_TINT12_0] = 7,
|
|
[IRQ_DA8XX_TINT34_0] = 7,
|
|
[IRQ_DA8XX_TINT12_1] = 7,
|
|
[IRQ_DA8XX_TINT34_1] = 7,
|
|
[IRQ_DA8XX_UARTINT0] = 7,
|
|
[IRQ_DA8XX_KEYMGRINT] = 7,
|
|
[IRQ_DA850_MPUADDRERR0] = 7,
|
|
[IRQ_DA8XX_CHIPINT0] = 7,
|
|
[IRQ_DA8XX_CHIPINT1] = 7,
|
|
[IRQ_DA8XX_CHIPINT2] = 7,
|
|
[IRQ_DA8XX_CHIPINT3] = 7,
|
|
[IRQ_DA8XX_TCERRINT1] = 7,
|
|
[IRQ_DA8XX_C0_RX_THRESH_PULSE] = 7,
|
|
[IRQ_DA8XX_C0_RX_PULSE] = 7,
|
|
[IRQ_DA8XX_C0_TX_PULSE] = 7,
|
|
[IRQ_DA8XX_C0_MISC_PULSE] = 7,
|
|
[IRQ_DA8XX_C1_RX_THRESH_PULSE] = 7,
|
|
[IRQ_DA8XX_C1_RX_PULSE] = 7,
|
|
[IRQ_DA8XX_C1_TX_PULSE] = 7,
|
|
[IRQ_DA8XX_C1_MISC_PULSE] = 7,
|
|
[IRQ_DA8XX_MEMERR] = 7,
|
|
[IRQ_DA8XX_GPIO0] = 7,
|
|
[IRQ_DA8XX_GPIO1] = 7,
|
|
[IRQ_DA8XX_GPIO2] = 7,
|
|
[IRQ_DA8XX_GPIO3] = 7,
|
|
[IRQ_DA8XX_GPIO4] = 7,
|
|
[IRQ_DA8XX_GPIO5] = 7,
|
|
[IRQ_DA8XX_GPIO6] = 7,
|
|
[IRQ_DA8XX_GPIO7] = 7,
|
|
[IRQ_DA8XX_GPIO8] = 7,
|
|
[IRQ_DA8XX_I2CINT1] = 7,
|
|
[IRQ_DA8XX_LCDINT] = 7,
|
|
[IRQ_DA8XX_UARTINT1] = 7,
|
|
[IRQ_DA8XX_MCASPINT] = 7,
|
|
[IRQ_DA8XX_ALLINT1] = 7,
|
|
[IRQ_DA8XX_SPINT1] = 7,
|
|
[IRQ_DA8XX_UHPI_INT1] = 7,
|
|
[IRQ_DA8XX_USB_INT] = 7,
|
|
[IRQ_DA8XX_IRQN] = 7,
|
|
[IRQ_DA8XX_RWAKEUP] = 7,
|
|
[IRQ_DA8XX_UARTINT2] = 7,
|
|
[IRQ_DA8XX_DFTSSINT] = 7,
|
|
[IRQ_DA8XX_EHRPWM0] = 7,
|
|
[IRQ_DA8XX_EHRPWM0TZ] = 7,
|
|
[IRQ_DA8XX_EHRPWM1] = 7,
|
|
[IRQ_DA8XX_EHRPWM1TZ] = 7,
|
|
[IRQ_DA850_SATAINT] = 7,
|
|
[IRQ_DA850_TINTALL_2] = 7,
|
|
[IRQ_DA8XX_ECAP0] = 7,
|
|
[IRQ_DA8XX_ECAP1] = 7,
|
|
[IRQ_DA8XX_ECAP2] = 7,
|
|
[IRQ_DA850_MMCSDINT0_1] = 7,
|
|
[IRQ_DA850_MMCSDINT1_1] = 7,
|
|
[IRQ_DA850_T12CMPINT0_2] = 7,
|
|
[IRQ_DA850_T12CMPINT1_2] = 7,
|
|
[IRQ_DA850_T12CMPINT2_2] = 7,
|
|
[IRQ_DA850_T12CMPINT3_2] = 7,
|
|
[IRQ_DA850_T12CMPINT4_2] = 7,
|
|
[IRQ_DA850_T12CMPINT5_2] = 7,
|
|
[IRQ_DA850_T12CMPINT6_2] = 7,
|
|
[IRQ_DA850_T12CMPINT7_2] = 7,
|
|
[IRQ_DA850_T12CMPINT0_3] = 7,
|
|
[IRQ_DA850_T12CMPINT1_3] = 7,
|
|
[IRQ_DA850_T12CMPINT2_3] = 7,
|
|
[IRQ_DA850_T12CMPINT3_3] = 7,
|
|
[IRQ_DA850_T12CMPINT4_3] = 7,
|
|
[IRQ_DA850_T12CMPINT5_3] = 7,
|
|
[IRQ_DA850_T12CMPINT6_3] = 7,
|
|
[IRQ_DA850_T12CMPINT7_3] = 7,
|
|
[IRQ_DA850_RPIINT] = 7,
|
|
[IRQ_DA850_VPIFINT] = 7,
|
|
[IRQ_DA850_CCINT1] = 7,
|
|
[IRQ_DA850_CCERRINT1] = 7,
|
|
[IRQ_DA850_TCERRINT2] = 7,
|
|
[IRQ_DA850_TINTALL_3] = 7,
|
|
[IRQ_DA850_MCBSP0RINT] = 7,
|
|
[IRQ_DA850_MCBSP0XINT] = 7,
|
|
[IRQ_DA850_MCBSP1RINT] = 7,
|
|
[IRQ_DA850_MCBSP1XINT] = 7,
|
|
[IRQ_DA8XX_ARMCLKSTOPREQ] = 7,
|
|
};
|
|
|
|
static struct map_desc da850_io_desc[] = {
|
|
{
|
|
.virtual = IO_VIRT,
|
|
.pfn = __phys_to_pfn(IO_PHYS),
|
|
.length = IO_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
{
|
|
.virtual = DA8XX_CP_INTC_VIRT,
|
|
.pfn = __phys_to_pfn(DA8XX_CP_INTC_BASE),
|
|
.length = DA8XX_CP_INTC_SIZE,
|
|
.type = MT_DEVICE
|
|
},
|
|
};
|
|
|
|
static u32 da850_psc_bases[] = { DA8XX_PSC0_BASE, DA8XX_PSC1_BASE };
|
|
|
|
/* Contents of JTAG ID register used to identify exact cpu type */
|
|
static struct davinci_id da850_ids[] = {
|
|
{
|
|
.variant = 0x0,
|
|
.part_no = 0xb7d1,
|
|
.manufacturer = 0x017, /* 0x02f >> 1 */
|
|
.cpu_id = DAVINCI_CPU_ID_DA850,
|
|
.name = "da850/omap-l138",
|
|
},
|
|
{
|
|
.variant = 0x1,
|
|
.part_no = 0xb7d1,
|
|
.manufacturer = 0x017, /* 0x02f >> 1 */
|
|
.cpu_id = DAVINCI_CPU_ID_DA850,
|
|
.name = "da850/omap-l138/am18x",
|
|
},
|
|
};
|
|
|
|
static struct davinci_timer_instance da850_timer_instance[4] = {
|
|
{
|
|
.base = DA8XX_TIMER64P0_BASE,
|
|
.bottom_irq = IRQ_DA8XX_TINT12_0,
|
|
.top_irq = IRQ_DA8XX_TINT34_0,
|
|
},
|
|
{
|
|
.base = DA8XX_TIMER64P1_BASE,
|
|
.bottom_irq = IRQ_DA8XX_TINT12_1,
|
|
.top_irq = IRQ_DA8XX_TINT34_1,
|
|
},
|
|
{
|
|
.base = DA850_TIMER64P2_BASE,
|
|
.bottom_irq = IRQ_DA850_TINT12_2,
|
|
.top_irq = IRQ_DA850_TINT34_2,
|
|
},
|
|
{
|
|
.base = DA850_TIMER64P3_BASE,
|
|
.bottom_irq = IRQ_DA850_TINT12_3,
|
|
.top_irq = IRQ_DA850_TINT34_3,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* T0_BOT: Timer 0, bottom : Used for clock_event
|
|
* T0_TOP: Timer 0, top : Used for clocksource
|
|
* T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
|
|
*/
|
|
static struct davinci_timer_info da850_timer_info = {
|
|
.timers = da850_timer_instance,
|
|
.clockevent_id = T0_BOT,
|
|
.clocksource_id = T0_TOP,
|
|
};
|
|
|
|
static void da850_set_async3_src(int pllnum)
|
|
{
|
|
struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
|
|
struct clk_lookup *c;
|
|
unsigned int v;
|
|
int ret;
|
|
|
|
for (c = da850_clks; c->clk; c++) {
|
|
clk = c->clk;
|
|
if (clk->flags & DA850_CLK_ASYNC3) {
|
|
ret = clk_set_parent(clk, newparent);
|
|
WARN(ret, "DA850: unable to re-parent clock %s",
|
|
clk->name);
|
|
}
|
|
}
|
|
|
|
v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
|
|
if (pllnum)
|
|
v |= CFGCHIP3_ASYNC3_CLKSRC;
|
|
else
|
|
v &= ~CFGCHIP3_ASYNC3_CLKSRC;
|
|
__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
|
|
}
|
|
|
|
#ifdef CONFIG_CPU_FREQ
|
|
/*
|
|
* Notes:
|
|
* According to the TRM, minimum PLLM results in maximum power savings.
|
|
* The OPP definitions below should keep the PLLM as low as possible.
|
|
*
|
|
* The output of the PLLM must be between 300 to 600 MHz.
|
|
*/
|
|
struct da850_opp {
|
|
unsigned int freq; /* in KHz */
|
|
unsigned int prediv;
|
|
unsigned int mult;
|
|
unsigned int postdiv;
|
|
unsigned int cvdd_min; /* in uV */
|
|
unsigned int cvdd_max; /* in uV */
|
|
};
|
|
|
|
static const struct da850_opp da850_opp_456 = {
|
|
.freq = 456000,
|
|
.prediv = 1,
|
|
.mult = 19,
|
|
.postdiv = 1,
|
|
.cvdd_min = 1300000,
|
|
.cvdd_max = 1350000,
|
|
};
|
|
|
|
static const struct da850_opp da850_opp_408 = {
|
|
.freq = 408000,
|
|
.prediv = 1,
|
|
.mult = 17,
|
|
.postdiv = 1,
|
|
.cvdd_min = 1300000,
|
|
.cvdd_max = 1350000,
|
|
};
|
|
|
|
static const struct da850_opp da850_opp_372 = {
|
|
.freq = 372000,
|
|
.prediv = 2,
|
|
.mult = 31,
|
|
.postdiv = 1,
|
|
.cvdd_min = 1200000,
|
|
.cvdd_max = 1320000,
|
|
};
|
|
|
|
static const struct da850_opp da850_opp_300 = {
|
|
.freq = 300000,
|
|
.prediv = 1,
|
|
.mult = 25,
|
|
.postdiv = 2,
|
|
.cvdd_min = 1200000,
|
|
.cvdd_max = 1320000,
|
|
};
|
|
|
|
static const struct da850_opp da850_opp_200 = {
|
|
.freq = 200000,
|
|
.prediv = 1,
|
|
.mult = 25,
|
|
.postdiv = 3,
|
|
.cvdd_min = 1100000,
|
|
.cvdd_max = 1160000,
|
|
};
|
|
|
|
static const struct da850_opp da850_opp_96 = {
|
|
.freq = 96000,
|
|
.prediv = 1,
|
|
.mult = 20,
|
|
.postdiv = 5,
|
|
.cvdd_min = 1000000,
|
|
.cvdd_max = 1050000,
|
|
};
|
|
|
|
#define OPP(freq) \
|
|
{ \
|
|
.driver_data = (unsigned int) &da850_opp_##freq, \
|
|
.frequency = freq * 1000, \
|
|
}
|
|
|
|
static struct cpufreq_frequency_table da850_freq_table[] = {
|
|
OPP(456),
|
|
OPP(408),
|
|
OPP(372),
|
|
OPP(300),
|
|
OPP(200),
|
|
OPP(96),
|
|
{
|
|
.driver_data = 0,
|
|
.frequency = CPUFREQ_TABLE_END,
|
|
},
|
|
};
|
|
|
|
#ifdef CONFIG_REGULATOR
|
|
static int da850_set_voltage(unsigned int index);
|
|
static int da850_regulator_init(void);
|
|
#endif
|
|
|
|
static struct davinci_cpufreq_config cpufreq_info = {
|
|
.freq_table = da850_freq_table,
|
|
#ifdef CONFIG_REGULATOR
|
|
.init = da850_regulator_init,
|
|
.set_voltage = da850_set_voltage,
|
|
#endif
|
|
};
|
|
|
|
#ifdef CONFIG_REGULATOR
|
|
static struct regulator *cvdd;
|
|
|
|
static int da850_set_voltage(unsigned int index)
|
|
{
|
|
struct da850_opp *opp;
|
|
|
|
if (!cvdd)
|
|
return -ENODEV;
|
|
|
|
opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
|
|
|
|
return regulator_set_voltage(cvdd, opp->cvdd_min, opp->cvdd_max);
|
|
}
|
|
|
|
static int da850_regulator_init(void)
|
|
{
|
|
cvdd = regulator_get(NULL, "cvdd");
|
|
if (WARN(IS_ERR(cvdd), "Unable to obtain voltage regulator for CVDD;"
|
|
" voltage scaling unsupported\n")) {
|
|
return PTR_ERR(cvdd);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static struct platform_device da850_cpufreq_device = {
|
|
.name = "cpufreq-davinci",
|
|
.dev = {
|
|
.platform_data = &cpufreq_info,
|
|
},
|
|
.id = -1,
|
|
};
|
|
|
|
unsigned int da850_max_speed = 300000;
|
|
|
|
int da850_register_cpufreq(char *async_clk)
|
|
{
|
|
int i;
|
|
|
|
/* cpufreq driver can help keep an "async" clock constant */
|
|
if (async_clk)
|
|
clk_add_alias("async", da850_cpufreq_device.name,
|
|
async_clk, NULL);
|
|
for (i = 0; i < ARRAY_SIZE(da850_freq_table); i++) {
|
|
if (da850_freq_table[i].frequency <= da850_max_speed) {
|
|
cpufreq_info.freq_table = &da850_freq_table[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
return platform_device_register(&da850_cpufreq_device);
|
|
}
|
|
|
|
static int da850_round_armrate(struct clk *clk, unsigned long rate)
|
|
{
|
|
int ret = 0, diff;
|
|
unsigned int best = (unsigned int) -1;
|
|
struct cpufreq_frequency_table *table = cpufreq_info.freq_table;
|
|
struct cpufreq_frequency_table *pos;
|
|
|
|
rate /= 1000; /* convert to kHz */
|
|
|
|
cpufreq_for_each_entry(pos, table) {
|
|
diff = pos->frequency - rate;
|
|
if (diff < 0)
|
|
diff = -diff;
|
|
|
|
if (diff < best) {
|
|
best = diff;
|
|
ret = pos->frequency;
|
|
}
|
|
}
|
|
|
|
return ret * 1000;
|
|
}
|
|
|
|
static int da850_set_armrate(struct clk *clk, unsigned long index)
|
|
{
|
|
struct clk *pllclk = &pll0_clk;
|
|
|
|
return clk_set_rate(pllclk, index);
|
|
}
|
|
|
|
static int da850_set_pll0rate(struct clk *clk, unsigned long index)
|
|
{
|
|
unsigned int prediv, mult, postdiv;
|
|
struct da850_opp *opp;
|
|
struct pll_data *pll = clk->pll_data;
|
|
int ret;
|
|
|
|
opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
|
|
prediv = opp->prediv;
|
|
mult = opp->mult;
|
|
postdiv = opp->postdiv;
|
|
|
|
ret = davinci_set_pllrate(pll, prediv, mult, postdiv);
|
|
if (WARN_ON(ret))
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
int __init da850_register_cpufreq(char *async_clk)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int da850_set_armrate(struct clk *clk, unsigned long rate)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int da850_set_pll0rate(struct clk *clk, unsigned long armrate)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int da850_round_armrate(struct clk *clk, unsigned long rate)
|
|
{
|
|
return clk->rate;
|
|
}
|
|
#endif
|
|
|
|
int __init da850_register_pm(struct platform_device *pdev)
|
|
{
|
|
int ret;
|
|
struct davinci_pm_config *pdata = pdev->dev.platform_data;
|
|
|
|
ret = davinci_cfg_reg(DA850_RTC_ALARM);
|
|
if (ret)
|
|
return ret;
|
|
|
|
pdata->ddr2_ctlr_base = da8xx_get_mem_ctlr();
|
|
pdata->deepsleep_reg = DA8XX_SYSCFG1_VIRT(DA8XX_DEEPSLEEP_REG);
|
|
pdata->ddrpsc_num = DA8XX_LPSC1_EMIF3C;
|
|
|
|
pdata->cpupll_reg_base = ioremap(DA8XX_PLL0_BASE, SZ_4K);
|
|
if (!pdata->cpupll_reg_base)
|
|
return -ENOMEM;
|
|
|
|
pdata->ddrpll_reg_base = ioremap(DA850_PLL1_BASE, SZ_4K);
|
|
if (!pdata->ddrpll_reg_base) {
|
|
ret = -ENOMEM;
|
|
goto no_ddrpll_mem;
|
|
}
|
|
|
|
pdata->ddrpsc_reg_base = ioremap(DA8XX_PSC1_BASE, SZ_4K);
|
|
if (!pdata->ddrpsc_reg_base) {
|
|
ret = -ENOMEM;
|
|
goto no_ddrpsc_mem;
|
|
}
|
|
|
|
return platform_device_register(pdev);
|
|
|
|
no_ddrpsc_mem:
|
|
iounmap(pdata->ddrpll_reg_base);
|
|
no_ddrpll_mem:
|
|
iounmap(pdata->cpupll_reg_base);
|
|
return ret;
|
|
}
|
|
|
|
/* VPIF resource, platform data */
|
|
static u64 da850_vpif_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
static struct resource da850_vpif_resource[] = {
|
|
{
|
|
.start = DA8XX_VPIF_BASE,
|
|
.end = DA8XX_VPIF_BASE + 0xfff,
|
|
.flags = IORESOURCE_MEM,
|
|
}
|
|
};
|
|
|
|
static struct platform_device da850_vpif_dev = {
|
|
.name = "vpif",
|
|
.id = -1,
|
|
.dev = {
|
|
.dma_mask = &da850_vpif_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = da850_vpif_resource,
|
|
.num_resources = ARRAY_SIZE(da850_vpif_resource),
|
|
};
|
|
|
|
static struct resource da850_vpif_display_resource[] = {
|
|
{
|
|
.start = IRQ_DA850_VPIFINT,
|
|
.end = IRQ_DA850_VPIFINT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device da850_vpif_display_dev = {
|
|
.name = "vpif_display",
|
|
.id = -1,
|
|
.dev = {
|
|
.dma_mask = &da850_vpif_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = da850_vpif_display_resource,
|
|
.num_resources = ARRAY_SIZE(da850_vpif_display_resource),
|
|
};
|
|
|
|
static struct resource da850_vpif_capture_resource[] = {
|
|
{
|
|
.start = IRQ_DA850_VPIFINT,
|
|
.end = IRQ_DA850_VPIFINT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
{
|
|
.start = IRQ_DA850_VPIFINT,
|
|
.end = IRQ_DA850_VPIFINT,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device da850_vpif_capture_dev = {
|
|
.name = "vpif_capture",
|
|
.id = -1,
|
|
.dev = {
|
|
.dma_mask = &da850_vpif_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = da850_vpif_capture_resource,
|
|
.num_resources = ARRAY_SIZE(da850_vpif_capture_resource),
|
|
};
|
|
|
|
int __init da850_register_vpif(void)
|
|
{
|
|
return platform_device_register(&da850_vpif_dev);
|
|
}
|
|
|
|
int __init da850_register_vpif_display(struct vpif_display_config
|
|
*display_config)
|
|
{
|
|
da850_vpif_display_dev.dev.platform_data = display_config;
|
|
return platform_device_register(&da850_vpif_display_dev);
|
|
}
|
|
|
|
int __init da850_register_vpif_capture(struct vpif_capture_config
|
|
*capture_config)
|
|
{
|
|
da850_vpif_capture_dev.dev.platform_data = capture_config;
|
|
return platform_device_register(&da850_vpif_capture_dev);
|
|
}
|
|
|
|
static struct davinci_gpio_platform_data da850_gpio_platform_data = {
|
|
.ngpio = 144,
|
|
};
|
|
|
|
int __init da850_register_gpio(void)
|
|
{
|
|
return da8xx_register_gpio(&da850_gpio_platform_data);
|
|
}
|
|
|
|
static struct davinci_soc_info davinci_soc_info_da850 = {
|
|
.io_desc = da850_io_desc,
|
|
.io_desc_num = ARRAY_SIZE(da850_io_desc),
|
|
.jtag_id_reg = DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
|
|
.ids = da850_ids,
|
|
.ids_num = ARRAY_SIZE(da850_ids),
|
|
.cpu_clks = da850_clks,
|
|
.psc_bases = da850_psc_bases,
|
|
.psc_bases_num = ARRAY_SIZE(da850_psc_bases),
|
|
.pinmux_base = DA8XX_SYSCFG0_BASE + 0x120,
|
|
.pinmux_pins = da850_pins,
|
|
.pinmux_pins_num = ARRAY_SIZE(da850_pins),
|
|
.intc_base = DA8XX_CP_INTC_BASE,
|
|
.intc_type = DAVINCI_INTC_TYPE_CP_INTC,
|
|
.intc_irq_prios = da850_default_priorities,
|
|
.intc_irq_num = DA850_N_CP_INTC_IRQ,
|
|
.timer_info = &da850_timer_info,
|
|
.emac_pdata = &da8xx_emac_pdata,
|
|
.sram_dma = DA8XX_SHARED_RAM_BASE,
|
|
.sram_len = SZ_128K,
|
|
};
|
|
|
|
void __init da850_init(void)
|
|
{
|
|
unsigned int v;
|
|
|
|
davinci_common_init(&davinci_soc_info_da850);
|
|
|
|
da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
|
|
if (WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module"))
|
|
return;
|
|
|
|
da8xx_syscfg1_base = ioremap(DA8XX_SYSCFG1_BASE, SZ_4K);
|
|
if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
|
|
return;
|
|
|
|
/*
|
|
* Move the clock source of Async3 domain to PLL1 SYSCLK2.
|
|
* This helps keeping the peripherals on this domain insulated
|
|
* from CPU frequency changes caused by DVFS. The firmware sets
|
|
* both PLL0 and PLL1 to the same frequency so, there should not
|
|
* be any noticeable change even in non-DVFS use cases.
|
|
*/
|
|
da850_set_async3_src(1);
|
|
|
|
/* Unlock writing to PLL0 registers */
|
|
v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
|
|
v &= ~CFGCHIP0_PLL_MASTER_LOCK;
|
|
__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
|
|
|
|
/* Unlock writing to PLL1 registers */
|
|
v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
|
|
v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
|
|
__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
|
|
}
|