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-rw-r--r--dts/src/arm64/renesas/r8a779f0-spider-cpu.dtsi55
1 files changed, 55 insertions, 0 deletions
diff --git a/dts/src/arm64/renesas/r8a779f0-spider-cpu.dtsi b/dts/src/arm64/renesas/r8a779f0-spider-cpu.dtsi
index 28fbf7bc1e..a45df10417 100644
--- a/dts/src/arm64/renesas/r8a779f0-spider-cpu.dtsi
+++ b/dts/src/arm64/renesas/r8a779f0-spider-cpu.dtsi
@@ -11,6 +11,16 @@
model = "Renesas Spider CPU board";
compatible = "renesas,spider-cpu", "renesas,r8a779f0";
+ aliases {
+ serial0 = &scif3;
+ serial1 = &scif0;
+ };
+
+ chosen {
+ bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
+ stdout-path = "serial0:115200n8";
+ };
+
memory@48000000 {
device_type = "memory";
/* first 128MB is reserved for secure area. */
@@ -21,6 +31,24 @@
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 +74,27 @@
};
};
+/*
+ * 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 +104,12 @@
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";