From b497ad38202b8701f2e0fdbffc6e7f7023b1ebe7 Mon Sep 17 00:00:00 2001 From: Neil Armstrong Date: Fri, 7 Jun 2019 16:47:34 +0200 Subject: [PATCH] arm64: dts: meson-g12a-x96-max: Enable Wifi SDIO Module The X96 Max embeds an AP6398S SDIO module, let's add the corresponding SDIO, PWM clock and mmc-pwrseq nodes. Reviewed-by: Martin Blumenstingl Signed-off-by: Neil Armstrong Signed-off-by: Kevin Hilman --- .../boot/dts/amlogic/meson-g12a-x96-max.dts | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts index 740083440007..07d80ec06db2 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts +++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts @@ -51,6 +51,13 @@ reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>; }; + sdio_pwrseq: sdio-pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; + clocks = <&wifi32k>; + clock-names = "ext_clock"; + }; + flash_1v8: regulator-flash_1v8 { compatible = "regulator-fixed"; regulator-name = "FLASH_1V8"; @@ -115,6 +122,13 @@ vin-supply = <&dc_in>; regulator-always-on; }; + + wifi32k: wifi32k { + compatible = "pwm-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ + }; }; &cec_AO { @@ -177,6 +191,14 @@ snps,reset-active-low; }; +&pwm_ef { + status = "okay"; + pinctrl-0 = <&pwm_e_pins>; + pinctrl-names = "default"; + clocks = <&xtal>; + clock-names = "clkin0"; +}; + &uart_A { status = "okay"; pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>; @@ -200,6 +222,34 @@ dr_mode = "host"; }; +/* SDIO */ +&sd_emmc_a { + status = "okay"; + pinctrl-0 = <&sdio_pins>; + pinctrl-1 = <&sdio_clk_gate_pins>; + pinctrl-names = "default", "clk-gate"; + #address-cells = <1>; + #size-cells = <0>; + + bus-width = <4>; + cap-sd-highspeed; + sd-uhs-sdr50; + max-frequency = <100000000>; + + non-removable; + disable-wp; + + mmc-pwrseq = <&sdio_pwrseq>; + + vmmc-supply = <&vddao_3v3>; + vqmmc-supply = <&vddao_1v8>; + + brcmf: wifi@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + }; +}; + /* SD card */ &sd_emmc_b { status = "okay"; -- 2.30.2