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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi')
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1 files changed, 152 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
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@@ -0,0 +1,152 @@
+// SPDX-License-Identifier: (GPL-2.0 or MIT)
+/*
+ * Device Tree Source for the Spider CPU board
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include "r8a779f0.dtsi"
+
+/ {
+ 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. */
+ reg = <0x0 0x48000000 0x0 0x78000000>;
+ };
+
+ memory@480000000 {
+ 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 {
+ clock-frequency = <20000000>;
+};
+
+&extalr_clk {
+ clock-frequency = <32768>;
+};
+
+&i2c4 {
+ pinctrl-0 = <&i2c4_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ eeprom@50 {
+ compatible = "rohm,br24g01", "atmel,24c01";
+ label = "cpu-board";
+ reg = <0x50>;
+ pagesize = <8>;
+ };
+};
+
+/*
+ * 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";
+
+ i2c4_pins: i2c4 {
+ groups = "i2c4";
+ 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";
+ };
+
+ scif3_pins: scif3 {
+ groups = "scif3_data", "scif3_ctrl";
+ function = "scif3";
+ };
+
+ scif_clk_pins: scif_clk {
+ groups = "scif_clk";
+ function = "scif_clk";
+ };
+};
+
+&rwdt {
+ timeout-sec = <60>;
+ status = "okay";
+};
+
+&scif0 {
+ pinctrl-0 = <&scif0_pins>;
+ pinctrl-names = "default";
+
+ uart-has-rtscts;
+ status = "okay";
+};
+
+&scif3 {
+ pinctrl-0 = <&scif3_pins>;
+ pinctrl-names = "default";
+
+ uart-has-rtscts;
+ status = "okay";
+};
+
+&scif_clk {
+ clock-frequency = <24000000>;
+};