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Diffstat (limited to 'arch/arm/boot/dts/r8a7744-iwg20m.dtsi')
-rw-r--r--arch/arm/boot/dts/r8a7744-iwg20m.dtsi90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7744-iwg20m.dtsi b/arch/arm/boot/dts/r8a7744-iwg20m.dtsi
new file mode 100644
index 000000000..82ee3c114
--- /dev/null
+++ b/arch/arm/boot/dts/r8a7744-iwg20m.dtsi
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for the iWave RZ/G1N Qseven SOM
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include "r8a7744.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+ compatible = "iwave,g20m", "renesas,r8a7744";
+
+ memory@40000000 {
+ device_type = "memory";
+ reg = <0 0x40000000 0 0x40000000>;
+ };
+
+ reg_3p3v: 3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "3P3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+};
+
+&extal_clk {
+ clock-frequency = <20000000>;
+};
+
+&pfc {
+ mmcif0_pins: mmc {
+ groups = "mmc_data8_b", "mmc_ctrl";
+ function = "mmc";
+ };
+
+ qspi_pins: qspi {
+ groups = "qspi_ctrl", "qspi_data2";
+ function = "qspi";
+ };
+
+ sdhi0_pins: sd0 {
+ groups = "sdhi0_data4", "sdhi0_ctrl";
+ function = "sdhi0";
+ power-source = <3300>;
+ };
+};
+
+&mmcif0 {
+ pinctrl-0 = <&mmcif0_pins>;
+ pinctrl-names = "default";
+
+ vmmc-supply = <&reg_3p3v>;
+ bus-width = <8>;
+ non-removable;
+ status = "okay";
+};
+
+&qspi {
+ pinctrl-0 = <&qspi_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+
+ /* WARNING - This device contains the bootloader. Handle with care. */
+ flash: flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <2>;
+ spi-rx-bus-width = <2>;
+ m25p,fast-read;
+ spi-cpol;
+ spi-cpha;
+ };
+};
+
+&sdhi0 {
+ pinctrl-0 = <&sdhi0_pins>;
+ pinctrl-names = "default";
+
+ vmmc-supply = <&reg_3p3v>;
+ vqmmc-supply = <&reg_3p3v>;
+ cd-gpios = <&gpio7 11 GPIO_ACTIVE_LOW>;
+ status = "okay";
+};