ARM: dts: rmobile: Enable SDR modes on E3 Ebisu

Add regulators and pinmuxes for SDHI0 and SDHI1 SD and microSD
slots on E3 Ebisu and mark them as capable of up to SDR104 mode
of operation. With the SDHI fixes in place, it is now possible
to use SDR104.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

diff --git a/arch/arm/dts/r8a77990-ebisu.dts b/arch/arm/dts/r8a77990-ebisu.dts
index 5e3c195d4cfae38307555af3910f864192f9934a..20eecd6b8fcea0d630164cdac1c6b5e7a3aa7566 100644 (file)
--- a/arch/arm/dts/r8a77990-ebisu.dts
+++ b/arch/arm/dts/r8a77990-ebisu.dts
@@ -46,6 +46,54 @@
                regulator-boot-on;
                regulator-always-on;
        };
+
+       vcc_sdhi0: regulator-vcc-sdhi0 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI0 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio5 17 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi0: regulator-vccq-sdhi0 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI0 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
+
+       vcc_sdhi1: regulator-vcc-sdhi1 {
+               compatible = "regulator-fixed";
+
+               regulator-name = "SDHI1 Vcc";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpio = <&gpio0 4 GPIO_ACTIVE_HIGH>;
+               enable-active-high;
+       };
+
+       vccq_sdhi1: regulator-vccq-sdhi1 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI1 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
 };
 
 &avb {
@@ -94,6 +142,30 @@
                function = "scif_clk";
        };
 
+       sdhi0_pins: sd0 {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <3300>;
+       };
+
+       sdhi0_pins_uhs: sd0_uhs {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <1800>;
+       };
+
+       sdhi1_pins: sd1 {
+               groups = "sdhi1_data4", "sdhi1_ctrl";
+               function = "sdhi1";
+               power-source = <3300>;
+       };
+
+       sdhi1_pins_uhs: sd1_uhs {
+               groups = "sdhi1_data4", "sdhi1_ctrl";
+               function = "sdhi1";
+               power-source = <1800>;
+       };
+
        sdhi3_pins: sd2 {
                groups = "sdhi3_data8", "sdhi3_ctrl";
                function = "sdhi3";
@@ -120,11 +192,40 @@
 };
 
 &sdhi0 {
+       /* full size SD */
+       pinctrl-0 = <&sdhi0_pins>;
+       pinctrl-1 = <&sdhi0_pins_uhs>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&vcc_sdhi0>;
+       vqmmc-supply = <&vccq_sdhi0>;
+       cd-gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
+       wp-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
+       bus-width = <4>;
+       sd-uhs-sdr12;
+       sd-uhs-sdr25;
+       sd-uhs-sdr50;
+       sd-uhs-sdr104;
        status = "okay";
+       max-frequency = <208000000>;
 };
 
 &sdhi1 {
+       /* microSD */
+       pinctrl-0 = <&sdhi1_pins>;
+       pinctrl-1 = <&sdhi1_pins_uhs>;
+       pinctrl-names = "default", "state_uhs";
+
+       vmmc-supply = <&vcc_sdhi1>;
+       vqmmc-supply = <&vccq_sdhi1>;
+       cd-gpios = <&gpio3 14 GPIO_ACTIVE_LOW>;
+       bus-width = <4>;
+       sd-uhs-sdr12;
+       sd-uhs-sdr25;
+       sd-uhs-sdr50;
+       sd-uhs-sdr104;
        status = "okay";
+       max-frequency = <208000000>;
 };
 
 &sdhi3 {