[PATCH v3 2/2] arm64: dts: rockchip: Add SDR104 mode to SD-card I/F on rk3399-roc-pc

From: Markus Reichl
Date: Mon Nov 18 2019 - 06:26:33 EST


Add SDR104 capability and regulators to SD card node.

Signed-off-by: Markus Reichl <m.reichl@xxxxxxxxxxxxx>
---
v3: Split patch in two, remove non related changes
v2: Remove always-on from vcc3v0_sd
---
.../boot/dts/rockchip/rk3399-roc-pc.dtsi | 23 ++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index 6d485712f47c..014a9869d61a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -135,6 +135,19 @@
vin-supply = <&vcc_1v8>;
};

+ vcc3v0_sd: vcc3v0-sd {
+ compatible = "regulator-fixed";
+ enable-active-high;
+ gpio = <&gpio4 RK_PD6 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&vcc3v0_sd_en>;
+ regulator-name = "vcc3v0_sd";
+ regulator-boot-on;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ vin-supply = <&vcc3v3_sys>;
+ };
+
vcc3v3_sys: vcc3v3-sys {
compatible = "regulator-fixed";
regulator-name = "vcc3v3_sys";
@@ -610,6 +623,12 @@
};
};

+ sdmmc {
+ vcc3v0_sd_en: vcc3v0-sd-en {
+ rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+
pmic {
pmic_int_l: pmic-int-l {
rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -662,13 +681,15 @@

&sdmmc {
bus-width = <4>;
- cap-mmc-highspeed;
cap-sd-highspeed;
cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
disable-wp;
max-frequency = <150000000>;
+ sd-uhs-sdr104;
pinctrl-names = "default";
pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
+ vmmc-supply = <&vcc3v0_sd>;
+ vqmmc-supply = <&vcc_sdio>;
status = "okay";
};

--
2.20.1