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Diffstat (limited to 'bindings/wcnss/wcnss-wlan.txt')
| -rw-r--r-- | bindings/wcnss/wcnss-wlan.txt | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/bindings/wcnss/wcnss-wlan.txt b/bindings/wcnss/wcnss-wlan.txt new file mode 100644 index 00000000..fbe1bcad --- /dev/null +++ b/bindings/wcnss/wcnss-wlan.txt @@ -0,0 +1,110 @@ +* Qualcomm Technologies Inc. WCNSS Platform Driver + +WCNSS driver is the platform driver. It is used for performing the cold +boot-up of the wireless device. It is responsible for adjusting +the necessary I/O rails and enabling appropriate gpios for wireless +connectivity subsystem. + +Required properties: +- compatible: "wcnss_wlan" +- reg: physical address and length of the register set for the device. +- reg-names: "wcnss_mmio", "wcnss_fiq", "pronto_phy_base", "riva_phy_base", + "riva_ccu_base", "pronto_a2xb_base", "pronto_ccpu_base", + "pronto_saw2_base", "wlan_tx_phy_aborts","wlan_brdg_err_source", + "wlan_tx_status", "alarms_txctl", "alarms_tactl", + "pronto_mcu_base", "pronto_qfuse". +- interupts: Pronto to Apps interrupts for tx done and rx pending. +- qcom,pronto-vddmx-supply: regulator to supply pronto pll. +- qcom,pronto-vddcx-supply: voltage corner regulator to supply WLAN/BT/FM +digital module. +- qcom,pronto-vddpx-supply: regulator to supply WLAN DAC. +- qcom,iris-vddxo-supply : regulator to supply RF XO. +- qcom,iris-vddrfa-supply : regulator to supply RFA digital. +- qcom,iris-vddpa-supply : regulator to supply RF PA. +- qcom,iris-vdddig-supply : regulator to supply RF digital(BT/FM). +- gpios: gpio numbers to configure 5-wire interface of WLAN connectivity +- qcom,has-48mhz-xo: boolean flag to determine the usage of 24MHz XO from RF +- qcom,has-pronto-hw: boolean flag to determine the revId of the WLAN subsystem +- qcom,wcnss-adc_tm: ADC handle for vbatt notification APIs. +- qcom,wcnss-vadc: VADC handle for battery voltage notification APIs. +- pinctrl-<n> : Pinctrl states as described in bindings/pinctrl/pinctrl-bindings.txt +- pinctrl-names : Names corresponding to the numbered pinctrl states +- clocks: from common clock binding: handle to xo, rf_clk and wcnss snoc clocks. +- clock-names: Names of all the clocks that are accessed by the subsystem +- qcom,vdd-voltage-level: This property represents (nominal, min, max) voltage +for iris and pronto regulators in milli-volts. +- qcom,vdd-current: This property represents current value for +iris and pronto regulators in micro-amps. + +Optional properties: +- qcom,has-autodetect-xo: boolean flag to determine whether Iris XO auto detect +should be performed during boot up. +- qcom,snoc-wcnss-clock-freq: indicates the wcnss snoc clock frequency in Hz. +If wcnss_snoc clock is specified in the list of clocks, this property needs +to be set to make it functional. +- qcom,wlan-rx-buff-count: WLAN RX buffer count is a configurable value, +using a smaller count for this buffer will reduce the memory usage. +- qcom,is-pronto-v3: boolean flag to determine the pronto hardware version +in use. subsequently correct workqueue will be used by DXE engine to push frames +in TX data path. +- qcom,is-dual-band-disable: boolean flag to determine the WLAN dual band +capability. +- qcom,is-pronto-vadc: boolean flag to determine Battery voltage feature +support for pronto hardware. +- qcom,wcnss-pm : <Core rail LDO#, PA rail LDO#, XO settling time, +RPM power collapse enabled, standalone power collapse enabled> +Power manager related parameter for LDO configuration. + 11 - WCN CORE rail LDO number + 21 - WCN PA rail LDO number + 1200 - WCN XO settling time (usec) + 1 - WCN RPM power collapse enabled + 1 - WCN standalone power collapse enabled + 6 - GPIO strength value +- qcom,has-vsys-adc-channel: boolean flag to determine which ADC HW channel need +to use for VBATT feature. +- qcom,has-a2xb-split-reg: boolean flag to determine A2xb split timeout limit +register is available or not. + +Example: + +qcom,wcnss-wlan@fb000000 { + compatible = "qcom,wcnss_wlan"; + reg = <0xfb000000 0x280000>, + <0xf9011008 0x04>; +reg-names = "wcnss_mmio", "wcnss_fiq"; + interrupts = <0 145 0 0 146 0>; + interrupt-names = "wcnss_wlantx_irq", "wcnss_wlanrx_irq"; + + qcom,pronto-vddmx-supply = <&pm8841_s1>; + qcom,pronto-vddcx-supply = <&pm8841_s2_corner>; + qcom,pronto-vddpx-supply = <&pm8941_s3>; + qcom,iris-vddxo-supply = <&pm8941_l6>; + qcom,iris-vddrfa-supply = <&pm8941_l11>; + qcom,iris-vddpa-supply = <&pm8941_l19>; + qcom,iris-vdddig-supply = <&pm8941_l3>; + + gpios = <&msmgpio 36 0>, <&msmgpio 37 0>, <&msmgpio 38 0>, + <&msmgpio 39 0>, <&msmgpio 40 0>; + qcom,has-48mhz-xo; + qcom,is-pronto-vt; + qcom,wlan-rx-buff-count = <512>; + qcom,has-pronto-hw; + qcom,wcnss-adc_tm = <&pm8226_adc_tm>; + + pinctrl-names = "wcnss_default", "wcnss_sleep"; + pinctrl-0 = <&wcnss_default>; + pinctrl-1 = <&wcnss_sleep>; + pinctrl-2 = <&wcnss_gpio_default>; + + clocks = <&clock_rpm clk_xo_wlan_clk>, + <&clock_rpm clk_rf_clk2>, + <&clock_debug clk_gcc_debug_mux>, + <&clock_gcc clk_wcnss_m_clk>, + <&clock_gcc clk_snoc_wcnss_a_clk>; + + clock-names = "xo", "rf_clk", "measure", "wcnss_debug", + "snoc_wcnss"; + + qcom,snoc-wcnss-clock-freq = <200000000>; + qcom,wcnss-pm = <11 21 1200 1 1 6>; +}; |