[PATCH 4/8] ARM: dts: iwg22d: Enable SDHI0 controller
Chris Paterson
chris.paterson2 at renesas.com
Wed Sep 13 10:05:37 PDT 2017
From: Fabrizio Castro <fabrizio.castro at bp.renesas.com>
Enable the SDHI0 controller on iWave RZ/G1E carrier board.
Signed-off-by: Fabrizio Castro <fabrizio.castro at bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2 at renesas.com>
---
This patch is based on renesas-devel-20170913-v4.13.
arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 37 +++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index aac84c6..c34dbe7 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -24,6 +24,19 @@
bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
stdout-path = "serial0:115200n8";
};
+
+ vccq_sdhi0: regulator-vccq-sdhi0 {
+ compatible = "regulator-gpio";
+
+ regulator-name = "SDHI0 VccQ";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+
+ gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
+ gpios-states = <1>;
+ states = <3300000 1
+ 1800000 0>;
+ };
};
&pfc {
@@ -36,6 +49,18 @@
groups = "avb_mdio", "avb_gmii";
function = "avb";
};
+
+ 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>;
+ };
};
&scif4 {
@@ -63,3 +88,15 @@
micrel,led-mode = <1>;
};
};
+
+&sdhi0 {
+ pinctrl-0 = <&sdhi0_pins>;
+ pinctrl-1 = <&sdhi0_pins_uhs>;
+ pinctrl-names = "default", "state_uhs";
+
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <&vccq_sdhi0>;
+ cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
+ sd-uhs-sdr104;
+ status = "okay";
+};
--
1.9.1
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