[PATCH 3/3] ARM: dts: iwg20d-q7: Add SDHI1 support
Biju Das
biju.das at bp.renesas.com
Mon Aug 14 04:49:49 PDT 2017
Define the iWave RainboW-G20D-Qseven board dependent part of the
SDHI1 device node.
Signed-off-by: Biju Das <biju.das at bp.renesas.com>
---
arch/arm/boot/dts/r8a7743-iwg20d-q7.dts | 48 +++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts b/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts
index b3a1efa..b5ac0ff 100644
--- a/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts
+++ b/arch/arm/boot/dts/r8a7743-iwg20d-q7.dts
@@ -19,6 +19,29 @@
serial0 = &scif0;
ethernet0 = &avb;
};
+
+ vcc_sdhi1: regulator-vcc-sdhi1 {
+ compatible = "regulator-fixed";
+
+ regulator-name = "SDHI1 Vcc";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpio = <&gpio1 16 GPIO_ACTIVE_LOW>;
+ };
+
+ vccq_sdhi1: regulator-vccq-sdhi1 {
+ compatible = "regulator-gpio";
+
+ regulator-name = "SDHI1 VccQ";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpios = <&gpio2 30 GPIO_ACTIVE_LOW>;
+ gpios-states = <1>;
+ states = <3300000 1
+ 1800000 0>;
+ };
};
&pfc {
@@ -36,6 +59,18 @@
groups = "i2c2";
function = "i2c2";
};
+
+ 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>;
+ };
};
&scif0 {
@@ -72,3 +107,16 @@
reg = <0x68>;
};
};
+
+&sdhi1 {
+ pinctrl-0 = <&sdhi1_pins>;
+ pinctrl-1 = <&sdhi1_pins_uhs>;
+ pinctrl-names = "default", "state_uhs";
+
+ vmmc-supply = <&vcc_sdhi1>;
+ vqmmc-supply = <&vccq_sdhi1>;
+ cd-gpios = <&gpio6 14 GPIO_ACTIVE_LOW>;
+ wp-gpios = <&gpio6 15 GPIO_ACTIVE_HIGH>;
+ sd-uhs-sdr50;
+ status = "okay";
+};
--
1.9.1
More information about the linux-arm-kernel
mailing list