[PATCH 3/3] ARM: dts: rockchip: phycore: Support UHS mode for SD card on phyCORE-RK3288 RDK
From: Daniel Schultz <hidden>
Date: 2018-02-13 09:44:53
Also in:
linux-devicetree, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Wadim Egorov <redacted> The phyCORE-RK3288 RDK could enable SD3.0 card but need vdd_io_sd to support the voltage range from 1.8V to 3.3V. And we have also to add relevant UHS modes to the sdmmc node. Let's also turn off the vdd_io_sd regulator in suspend state. Signed-off-by: Wadim Egorov <redacted> Signed-off-by: Daniel Schultz <redacted> --- arch/arm/boot/dts/rk3288-phycore-rdk.dts | 4 ++++ arch/arm/boot/dts/rk3288-phycore-som.dtsi | 5 ++--- 2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/arch/arm/boot/dts/rk3288-phycore-rdk.dts b/arch/arm/boot/dts/rk3288-phycore-rdk.dts
index ecb26f0..985743f 100644
--- a/arch/arm/boot/dts/rk3288-phycore-rdk.dts
+++ b/arch/arm/boot/dts/rk3288-phycore-rdk.dts@@ -265,6 +265,10 @@ disable-wp; pinctrl-names = "default"; pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_cd &sdmmc_bus4>; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-sdr104; vmmc-supply = <&vdd_sd>; vqmmc-supply = <&vdd_io_sd>; status = "okay";
diff --git a/arch/arm/boot/dts/rk3288-phycore-som.dtsi b/arch/arm/boot/dts/rk3288-phycore-som.dtsi
index 5eae477..f13bcb1 100644
--- a/arch/arm/boot/dts/rk3288-phycore-som.dtsi
+++ b/arch/arm/boot/dts/rk3288-phycore-som.dtsi@@ -336,11 +336,10 @@ regulator-name = "vdd_io_sd"; regulator-always-on; regulator-boot-on; - regulator-min-microvolt = <3300000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-state-mem { - regulator-on-in-suspend; - regulator-suspend-microvolt = <3300000>; + regulator-off-in-suspend; }; }; };
--
2.7.4