2024-09-09 08:52:07 +00:00
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* Qualcomm WCNSS Platform Driver
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WCNSS driver is the platform driver. It is used for performing the cold
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boot-up of the wireless device. It is responsible for adjusting
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the necessary I/O rails and enabling appropriate gpios for wireless
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connectivity subsystem.
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Required properties:
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- compatible: "wcnss_wlan"
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- reg: physical address and length of the register set for the device.
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2024-09-09 08:57:42 +00:00
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- reg-names: "wcnss_mmio", "wcnss_fiq", "pronto_phy_base", "riva_phy_base",
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"riva_ccu_base", "pronto_a2xb_base", "pronto_ccpu_base",
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"pronto_saw2_base", "wlan_tx_phy_aborts","wlan_brdg_err_source",
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"wlan_tx_status", "alarms_txctl", "alarms_tactl",
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"pronto_mcu_base".
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2024-09-09 08:52:07 +00:00
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- interupts: Pronto to Apps interrupts for tx done and rx pending.
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- qcom,pronto-vddmx-supply: regulator to supply pronto pll.
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- qcom,pronto-vddcx-supply: voltage corner regulator to supply WLAN/BT/FM
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digital module.
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2024-09-09 08:52:07 +00:00
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- qcom,pronto-vddpx-supply: regulator to supply WLAN DAC.
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- qcom,iris-vddxo-supply : regulator to supply RF XO.
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- qcom,iris-vddrfa-supply : regulator to supply RFA digital.
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- qcom,iris-vddpa-supply : regulator to supply RF PA.
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- qcom,iris-vdddig-supply : regulator to supply RF digital(BT/FM).
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- gpios: gpio numbers to configure 5-wire interface of WLAN connectivity
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- qcom,has-48mhz-xo: boolean flag to determine the usage of 24MHz XO from RF
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- qcom,has-pronto-hw: boolean flag to determine the revId of the WLAN subsystem
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2024-09-09 08:57:42 +00:00
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- qcom,wcnss-adc_tm: ADC handle for vbatt notification APIs.
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- qcom,wcnss-vadc: VADC handle for battery voltage notification APIs.
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- pinctrl-<n> : Pinctrl states as described in bindings/pinctrl/pinctrl-bindings.txt
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- pinctrl-names : Names corresponding to the numbered pinctrl states
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- clocks: from common clock binding: handle to xo and rf_clk clocks.
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- clock-names: Names of all the clocks that are accessed by the subsystem
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- qcom,vdd-voltage-level: This property represents (nominal, min, max) voltage
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for iris and pronto regulators in milli-volts.
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- qcom,vdd-current: This property represents current value for
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iris and pronto regulators in micro-amps.
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2024-09-09 08:52:07 +00:00
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Optional properties:
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- qcom,has-autodetect-xo: boolean flag to determine whether Iris XO auto detect
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should be performed during boot up.
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- qcom,wlan-rx-buff-count: WLAN RX buffer count is a configurable value,
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using a smaller count for this buffer will reduce the memory usage.
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2024-09-09 08:57:42 +00:00
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- qcom,is-pronto-v3: boolean flag to determine the pronto hardware version
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in use. subsequently correct workqueue will be used by DXE engine to push frames
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in TX data path.
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- qcom,is-pronto-vadc: boolean flag to determine Battery voltage feature
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support for pronto hardware.
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- qcom,wcnss-pm : <Core rail LDO#, PA rail LDO#, XO settling time,
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RPM power collapse enabled, standalone power collapse enabled>
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Power manager related parameter for LDO configuration.
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11 - WCN CORE rail LDO number
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21 - WCN PA rail LDO number
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1200 - WCN XO settling time (usec)
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1 - WCN RPM power collapse enabled
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1 - WCN standalone power collapse enabled
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6 - GPIO strength value
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- qcom,has-vsys-adc-channel: boolean flag to determine which ADC HW channel need
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to use for VBATT feature.
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2024-09-09 08:52:07 +00:00
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Example:
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qcom,wcnss-wlan@fb000000 {
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compatible = "qcom,wcnss_wlan";
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reg = <0xfb000000 0x280000>,
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<0xf9011008 0x04>;
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reg-names = "wcnss_mmio", "wcnss_fiq";
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interrupts = <0 145 0 0 146 0>;
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interrupt-names = "wcnss_wlantx_irq", "wcnss_wlanrx_irq";
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qcom,pronto-vddmx-supply = <&pm8841_s1>;
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qcom,pronto-vddcx-supply = <&pm8841_s2_corner>;
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qcom,pronto-vddpx-supply = <&pm8941_s3>;
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qcom,iris-vddxo-supply = <&pm8941_l6>;
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qcom,iris-vddrfa-supply = <&pm8941_l11>;
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qcom,iris-vddpa-supply = <&pm8941_l19>;
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qcom,iris-vdddig-supply = <&pm8941_l3>;
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gpios = <&msmgpio 36 0>, <&msmgpio 37 0>, <&msmgpio 38 0>,
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<&msmgpio 39 0>, <&msmgpio 40 0>;
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qcom,has-48mhz-xo;
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qcom,is-pronto-vt;
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qcom,wlan-rx-buff-count = <512>;
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2024-09-09 08:52:07 +00:00
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qcom,has-pronto-hw;
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qcom,wcnss-adc_tm = <&pm8226_adc_tm>;
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pinctrl-names = "wcnss_default", "wcnss_sleep";
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pinctrl-0 = <&wcnss_default>;
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pinctrl-1 = <&wcnss_sleep>;
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pinctrl-2 = <&wcnss_gpio_default>;
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clocks = <&clock_rpm clk_xo_wlan_clk>,
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<&clock_rpm clk_rf_clk2>,
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<&clock_debug clk_gcc_debug_mux>,
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<&clock_gcc clk_wcnss_m_clk>;
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clock-names = "xo", "rf_clk", "measure", "wcnss_debug";
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qcom,wcnss-pm = <11 21 1200 1 1 6>;
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2024-09-09 08:52:07 +00:00
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};
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