Define the SILK board dependent part of the MMCIF device node (the board has
eMMC chip) along with the necessary voltage regulator (note that the Vcc/Vccq
regulator is dummy -- it's required by the MMCIF driver but doesn't actually
exist on the board).
Based on the original patch by Vladimir Barinov
<vladimir.barinov@xxxxxxxxxxxxxxxxxx>.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7794-silk.dts | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
Index: renesas/arch/arm/boot/dts/r8a7794-silk.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7794-silk.dts
+++ renesas/arch/arm/boot/dts/r8a7794-silk.dts
@@ -30,6 +30,15 @@
device_type = "memory";
reg = <0 0x40000000 0 0x40000000>;
};
+
+ d3_3v: regulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "D3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
};
&extal_clk {
@@ -51,6 +60,11 @@
renesas,groups = "intc_irq8";
renesas,function = "intc";
};
+
+ mmcif0_pins: mmcif0 {
+ renesas,groups = "mmc_data8", "mmc_ctrl";
+ renesas,function = "mmc";
+ };
};
&scif2 {
@@ -75,3 +89,14 @@
micrel,led-mode = <1>;
};
};
+
+&mmcif0 {
+ pinctrl-0 = <&mmcif0_pins>;
+ pinctrl-names = "default";
+
+ vmmc-supply = <&d3_3v>;
+ vqmmc-supply = <&d3_3v>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
--
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