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Diffstat (limited to 'arch/arm/boot/dts/r8a7742-iwg21m.dtsi')
-rw-r--r--arch/arm/boot/dts/r8a7742-iwg21m.dtsi79
1 files changed, 75 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/r8a7742-iwg21m.dtsi b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
index 85aff429d408..5621c9ed698f 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
+++ b/arch/arm/boot/dts/r8a7742-iwg21m.dtsi
@@ -35,10 +35,28 @@
clock-frequency = <20000000>;
};
-&pfc {
- mmc1_pins: mmc1 {
- groups = "mmc1_data4", "mmc1_ctrl";
- function = "mmc1";
+&gpio0 {
+ /* GP0_18 set low to select QSPI. Doing so will disable VIN2 */
+ qspi_en {
+ gpio-hog;
+ gpios = <18 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "QSPI_EN";
+ };
+};
+
+&i2c0 {
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+ clock-frequency = <400000>;
+
+ rtc@68 {
+ compatible = "ti,bq32000";
+ reg = <0x68>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
};
};
@@ -51,3 +69,56 @@
non-removable;
status = "okay";
};
+
+&pfc {
+ i2c0_pins: i2c0 {
+ groups = "i2c0";
+ function = "i2c0";
+ };
+
+ mmc1_pins: mmc1 {
+ groups = "mmc1_data4", "mmc1_ctrl";
+ function = "mmc1";
+ };
+
+ qspi_pins: qspi {
+ groups = "qspi_ctrl", "qspi_data2";
+ function = "qspi";
+ };
+};
+
+&qspi {
+ pinctrl-0 = <&qspi_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+
+ flash: flash@0 {
+ compatible = "sst,sst25vf016b", "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ m25p,fast-read;
+ spi-cpol;
+ spi-cpha;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "bootloader";
+ reg = <0x00000000 0x000c0000>;
+ read-only;
+ };
+ partition@c0000 {
+ label = "env";
+ reg = <0x000c0000 0x00002000>;
+ };
+ partition@c2000 {
+ label = "user";
+ reg = <0x000c2000 0x0013e000>;
+ };
+ };
+ };
+};