ARM: dts: rk3288: Enable high speed on sd card on rk3288-evb

Change-Id: Idd855fb565dde2e47891f6676175c6573c245fcd
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>

diff --git a/arch/arm/boot/dts/rk3288-evb-act8846.dts b/arch/arm/boot/dts/rk3288-evb-act8846.dts
index 8047ecaa4e34b2dd0d56643a38350497be3c739f..81be0f7f794960040e6814aceef764c4059c5d07 100644 (file)
--- a/arch/arm/boot/dts/rk3288-evb-act8846.dts
+++ b/arch/arm/boot/dts/rk3288-evb-act8846.dts
@@ -160,7 +160,7 @@
 
                        vccio_sd: REG5 {
                                regulator-name = "VCCIO_SD";
-                               regulator-min-microvolt = <3300000>;
+                               regulator-min-microvolt = <1800000>;
                                regulator-max-microvolt = <3300000>;
                                regulator-always-on;
                        };

diff --git a/arch/arm/boot/dts/rk3288-evb.dtsi b/arch/arm/boot/dts/rk3288-evb.dtsi
index 5f503b0b13101fbfb3e599995cdc8ea9a7e581b1..645b23492d7bf724085f4d12bd4efb2ba25c0f23 100644 (file)
--- a/arch/arm/boot/dts/rk3288-evb.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb.dtsi
@@ -212,6 +212,12 @@
                startup-delay-us = <100000>;
                vin-supply = <&vcc_io>;
        };
+
+       io-domains {
+               compatible = "rockchip,rk3288-io-voltage-domain";
+               rockchip,grf = <&grf>;
+               sdcard-supply = <&vccio_sd>;
+       };
 };
 
 &emmc {
@@ -237,6 +243,10 @@
        supports-sd;
        bus-width = <4>;
        cap-mmc-highspeed;
+       sd-uhs-sdr12;
+       sd-uhs-sdr25;
+       sd-uhs-sdr50;
+       sd-uhs-sdr104;
        cap-sd-highspeed;
        card-detect-delay = <200>;
        disable-wp;                     /* wp not hooked up */