This supports SDHI0 on M3ULCB board SD card slot
Signed-off-by: Vladimir Barinov <vladimir.barinov@xxxxxxxxxxxxxxxxxx>
Reviewed-off-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>
---
Changes in version 2:
- renamed sdhi0_pins_3v3 to sdhi0_pins
- renamed sd0_3v3 to sd0
- renamed sdhi0_pins_1v8 to sdhi0_pins_uhs
- renamed sd0_1v8 to sd0_uhs
arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts | 48 ++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts
index 3329f78..5be0cf6 100644
--- a/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7796-m3ulcb.dts
@@ -44,6 +44,30 @@
gpios = <&gpio6 11 GPIO_ACTIVE_LOW>;
};
};
+
+ vcc_sdhi0: regulator-vcc-sdhi0 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "SDHI0 Vcc";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&gpio5 2 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 1 GPIO_ACTIVE_HIGH>;
+ gpios-states = <1>;
+ states = <3300000 1
+ 1800000 0>;
+ };
};
&extal_clk {
@@ -68,8 +92,33 @@
groups = "scif_clk_a";
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>;
+ };
};
+&sdhi0 {
+ 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>;
+ bus-width = <4>;
+ sd-uhs-sdr50;
+ status = "okay";
+};
+
&scif2 {
pinctrl-0 = <&scif2_pins>;
pinctrl-names = "default";
--
1.9.1
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