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authorWolfram Sang <wsa+renesas@sang-engineering.com>2022-07-11 16:46:56 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2022-08-15 12:12:12 +0300
commit1ada3e53b78afc03d30f5fd7e9d54f297d09cf61 (patch)
treee1c368ca8c88863b6e27455cf2b48e4ae845b6b3 /arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
parent6a24768c6e301a48c0610f0fac6f4461750ebf16 (diff)
downloadlinux-1ada3e53b78afc03d30f5fd7e9d54f297d09cf61.tar.xz
arm64: dts: renesas: spider-cpu: Enable eMMC0
This enables the on-board eMMC on the Spider board. Switch SW3 has to be in the default (neutral) position. Other settings will not be supported upstream! Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/20220711134656.277730-4-wsa+renesas@sang-engineering.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi')
-rw-r--r--arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
index 28fbf7bc1eb4..4a876d47f59b 100644
--- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
@@ -21,6 +21,24 @@
device_type = "memory";
reg = <0x4 0x80000000 0x0 0x80000000>;
};
+
+ reg_1p8v: regulator-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
};
&extal_clk {
@@ -46,6 +64,27 @@
};
};
+/*
+ * This board also has a microSD slot which we will not support upstream
+ * because we cannot directly switch voltages in software.
+ */
+&mmc0 {
+ pinctrl-0 = <&mmc_pins>;
+ pinctrl-1 = <&mmc_pins>;
+ pinctrl-names = "default", "state_uhs";
+
+ vmmc-supply = <&reg_3p3v>;
+ vqmmc-supply = <&reg_1p8v>;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ bus-width = <8>;
+ no-sd;
+ no-sdio;
+ non-removable;
+ full-pwr-cycle-in-suspend;
+ status = "okay";
+};
+
&pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
@@ -55,6 +94,12 @@
function = "i2c4";
};
+ mmc_pins: mmc {
+ groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
+ function = "mmc";
+ power-source = <1800>;
+ };
+
scif0_pins: scif0 {
groups = "scif0_data", "scif0_ctrl";
function = "scif0";