From 93a4e7d12468b0ab46796f3ed8dc5838dc7f63bc Mon Sep 17 00:00:00 2001 From: Suniel Mahesh Date: Mon, 9 Nov 2020 23:40:13 +0530 Subject: [PATCH] arm64: dts: rockchip: Add WiFi support on px30-engicam Engicam PX30 carrier boards like EDIMM2.2 and C.TOUCH2.0 have an onboard Sterling-LWD Wifi/BT chip based on BCM43430 connected on the SDIO bus. The SDIO power sequnce is connacted with exteernal 32KHz oscillator and it require 3V3 regulator input. This patch adds WiFi enablement nodes for these respective boards. Signed-off-by: Michael Trimarchi Signed-off-by: Suniel Mahesh Signed-off-by: Jagan Teki Link: https://lore.kernel.org/r/20201109181017.206834-6-jagan@amarulasolutions.com Signed-off-by: Heiko Stuebner --- .../dts/rockchip/px30-engicam-common.dtsi | 45 +++++++++++++++++++ .../dts/rockchip/px30-engicam-ctouch2.dtsi | 12 +++++ .../px30-engicam-px30-core-edimm2.2.dts | 12 +++++ 3 files changed, 69 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi index 8fdd7ff2fdf98..0e1a93ec32340 100644 --- a/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-common.dtsi @@ -14,6 +14,51 @@ regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; + + sdio_pwrseq: sdio-pwrseq { + compatible = "mmc-pwrseq-simple"; + clocks = <&xin32k>; + clock-names = "ext_clock"; + post-power-on-delay-ms = <80>; + pinctrl-names = "default"; + pinctrl-0 = <&wifi_enable_h>; + }; + + vcc3v3_rf_aux_mod: vcc3v3-rf-aux-mod { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_rf_aux_mod"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + vin-supply = <&vcc5v0_sys>; + }; + + xin32k: xin32k { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + clock-output-names = "xin32k"; + }; +}; + +&sdio { + #address-cells = <1>; + #size-cells = <0>; + bus-width = <4>; + clock-frequency = <50000000>; + cap-sdio-irq; + cap-sd-highspeed; + keep-power-in-suspend; + mmc-pwrseq = <&sdio_pwrseq>; + non-removable; + sd-uhs-sdr104; + status = "okay"; + + brcmf: wifi@1 { + compatible = "brcm,bcm4329-fmac"; + reg = <1>; + }; }; &gmac { diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi b/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi index 58425b1e559f0..d5708779c2852 100644 --- a/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-ctouch2.dtsi @@ -6,3 +6,15 @@ */ #include "px30-engicam-common.dtsi" + +&pinctrl { + sdio-pwrseq { + wifi_enable_h: wifi-enable-h { + rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; +}; + +&sdio_pwrseq { + reset-gpios = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>; +}; diff --git a/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts b/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts index e54d1e480daa1..913444548b59c 100644 --- a/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts +++ b/arch/arm64/boot/dts/rockchip/px30-engicam-px30-core-edimm2.2.dts @@ -19,3 +19,15 @@ stdout-path = "serial2:115200n8"; }; }; + +&pinctrl { + sdio-pwrseq { + wifi_enable_h: wifi-enable-h { + rockchip,pins = <1 RK_PC3 RK_FUNC_GPIO &pcfg_pull_none>; + }; + }; +}; + +&sdio_pwrseq { + reset-gpios = <&gpio1 RK_PC3 GPIO_ACTIVE_LOW>; +}; -- 2.30.2