From 1f5a3e1679353fb53e955afd8801a7f4f60877ff Mon Sep 17 00:00:00 2001 From: Tobias Schramm Date: Thu, 16 Apr 2020 16:55:34 +0200 Subject: [PATCH] arm64: dts: rockchip: add micro SD card regulator to rockpro64 This patch adds the RockPro64's micro SD card regulator to the RockPro64 dtsi. The regulator is present on all revisions of the device. Previously the regular was missing, resulting in unreliable boot behaviour when booting from SD card. Signed-off-by: Tobias Schramm Link: https://lore.kernel.org/r/20200416145534.1263575-1-t.schramm@manjaro.org Signed-off-by: Heiko Stuebner --- .../boot/dts/rockchip/rk3399-rockpro64.dtsi | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi index 9bca258012608..6788ab28f89a0 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi @@ -96,6 +96,24 @@ vin-supply = <&vcc_1v8>; }; + /* micro SD card power */ + vcc3v0_sd: vcc3v0-sd { + compatible = "regulator-fixed"; + enable-active-high; + gpio = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&sdmmc0_pwr_h>; + regulator-name = "vcc3v0_sd"; + regulator-always-on; + regulator-min-microvolt = <3000000>; + regulator-max-microvolt = <3000000>; + vin-supply = <&vcc3v3_sys>; + + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + vcc3v3_pcie: vcc3v3-pcie-regulator { compatible = "regulator-fixed"; enable-active-high; @@ -603,6 +621,13 @@ }; }; + sdcard { + sdmmc0_pwr_h: sdmmc0-pwr-h { + rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>; + }; + + }; + sdio-pwrseq { wifi_enable_h: wifi-enable-h { rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>; @@ -661,6 +686,8 @@ max-frequency = <150000000>; pinctrl-names = "default"; pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>; + vmmc-supply = <&vcc3v0_sd>; + vqmmc-supply = <&vcc_sdio>; status = "okay"; }; -- 2.30.2