Add support for the RexNos REX-RED board which is based on the
Exynos5260.
Signed-off-by: Stuart Menefy <stuart.menefy@xxxxxxxxxxxxxxxx>
---
.../bindings/arm/samsung/samsung-boards.txt | 2 +
.../devicetree/bindings/vendor-prefixes.txt | 1 +
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/exynos5260-rexred.dts | 396 +++++++++++++++++++++
4 files changed, 400 insertions(+)
create mode 100644 arch/arm/boot/dts/exynos5260-rexred.dts
diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
index 56021bf2a916..f7dc2f9e3e57 100644
--- a/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-boards.txt
@@ -70,6 +70,8 @@ Required root node properties:
Octa board.
- "insignal,origen" - for Exynos4210-based Insignal Origen board.
- "insignal,origen4412" - for Exynos4412-based Insignal Origen board.
+ * Rexnos
+ - "rexnos,rexred" - for Exynos5260-based Rexnos RexRed board.
Optional nodes:
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 389508584f48..0666385ec11e 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -328,6 +328,7 @@ raydium Raydium Semiconductor Corp.
rda Unisoc Communications, Inc.
realtek Realtek Semiconductor Corp.
renesas Renesas Electronics Corporation
+rexnos REXNOS Co., Ltd
richtek Richtek Technology Corporation
ricoh Ricoh Co. Ltd.
rikomagic Rikomagic Tech Corp. Ltd
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index bd40148a15b2..2c6190e0834b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -191,6 +191,7 @@ dtb-$(CONFIG_ARCH_EXYNOS5) += \
exynos5250-snow.dtb \
exynos5250-snow-rev5.dtb \
exynos5250-spring.dtb \
+ exynos5260-rexred.dtb \
exynos5260-xyref5260.dtb \
exynos5410-odroidxu.dtb \
exynos5410-smdk5410.dtb \
diff --git a/arch/arm/boot/dts/exynos5260-rexred.dts b/arch/arm/boot/dts/exynos5260-rexred.dts
new file mode 100644
index 000000000000..46187ad0c696
--- /dev/null
+++ b/arch/arm/boot/dts/exynos5260-rexred.dts
@@ -0,0 +1,396 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * RexNos REX-RED Exynos5260 board device tree source
+ *
+ * Copyright (c) 2018 Garrison Technology Limited
+ * derived from exynos5260-xyref5260.dts which was:
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd.
+ */
+
+/dts-v1/;
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include "exynos5260.dtsi"
+
+/ {
+ model = "Rexnos RexRed board based on EXYNOS5260";
+ compatible = "rexnos,rexred", "samsung,exynos5260", "samsung,exynos5";
+
+ memory@20000000 {
+ device_type = "memory";
+ reg = <0x20000000 0x80000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttySAC2,115200";
+ };
+
+ gpio_keys {
+ compatible = "gpio-keys";
+
+ wakeup {
+ label = "SW1";
+ gpios = <&gpx2 7 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_WAKEUP>;
+ wakeup-source;
+ };
+
+ home {
+ label = "S1";
+ gpios = <&gpx0 3 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_HOME>;
+ wakeup-source;
+ };
+
+ back {
+ label = "S2";
+ gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_BACK>;
+ wakeup-source;
+ };
+
+ menu {
+ label = "S3";
+ gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_MENU>;
+ wakeup-source;
+ };
+
+ up {
+ label = "S4";
+ gpios = <&gpx2 4 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_UP>;
+ wakeup-source;
+ };
+
+ down {
+ label = "S5";
+ gpios = <&gpx2 5 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_DOWN>;
+ wakeup-source;
+ };
+ };
+
+ fin_pll: xxti {
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ clock-output-names = "fin_pll";
+ #clock-cells = <0>;
+ };
+
+ firmware@02073000 {
+ compatible = "samsung,secure-firmware";
+ reg = <0x02073000 0x1000>;
+ };
+
+ xrtcxti: xrtcxti {
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ clock-output-names = "xrtcxti";
+ #clock-cells = <0>;
+ };
+};
+
+&pinctrl_0 {
+ s2mpa01_irq: s2mpa01-irq {
+ samsung,pins = "gpx0-2";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
+ samaung,pin-drv = <EXYNOS5260_PIN_DRV_LV1>;
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&uart3 {
+ status = "okay";
+};
+
+&hsi2c_0 {
+ status = "okay";
+ samsung,polling-mode;
+ clock-frequency = <100000>;
+
+ s2mpa01_pmic@66 {
+ compatible = "samsung,s2mpa01-pmic";
+ reg = <0x66>;
+ interrupt-parent = <&gpx0>;
+ interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&s2mpa01_irq>;
+
+ regulators {
+ buck1_reg: BUCK1 {
+ regulator-name = "vdd_mif range";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ buck2_reg: BUCK2 {
+ regulator-name = "vdd_eagle";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ buck3_reg: BUCK3 {
+ regulator-name = "vdd_int range";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ buck4_reg: BUCK4 {
+ regulator-name = "vdd_g3d range";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ buck5_reg: BUCK5 {
+ regulator-name = "must-be-on-buck5";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ buck6_reg: BUCK6 {
+ regulator-name = "vdd_kfc";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1400000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ buck7_reg: BUCK7 {
+ regulator-name = "vdd_disp range";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <1000>;
+ };
+
+ buck8_reg: BUCK8 {
+ regulator-name = "must-be-on-buck8";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ buck9_reg: BUCK9 {
+ regulator-name = "must-be-on-buck9";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-ramp-delay = <12000>;
+ };
+
+ ldo1_reg: LDO1 {
+ regulator-name = "must-be-on-ldo1";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+
+ ldo2_reg: LDO2 {
+ regulator-name = "vddq_mmc2";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ ldo3_reg: LDO3 {
+ regulator-name = "vcc_1.8v_AP";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo4_reg: LDO4 {
+ regulator-name = "must-be-on-ldo4";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo5_reg: LDO5 {
+ regulator-name = "must-be-on-ldo5";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+
+ ldo6_reg: LDO6 {
+ regulator-name = "vcc_1.0v_MIPI";
+ regulator-min-microvolt = <1000000>;
+ regulator-max-microvolt = <1000000>;
+ regulator-always-on;
+ };
+
+ ldo7_reg: LDO7 {
+ regulator-name = "vcc_1.8v_MIPI";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo10_reg: LDO10 {
+ regulator-name = "vddq_mmc01";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo11_reg: LDO11 {
+ regulator-name = "vcc_3.3v_LCD";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ ldo13_reg: LDO13 {
+ regulator-name = "vmmc2";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ };
+
+ ldo14_reg: LDO14 {
+ regulator-name = "Main Camera IO (1.8V)";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo15_reg: LDO15 {
+ regulator-name = "Camera Sensor (2.8V)";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-always-on;
+ };
+
+ ldo16_reg: LDO16 {
+ regulator-name = "Main Camera AF (2.8V)";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-always-on;
+ };
+
+ ldo17_reg: LDO17 {
+ regulator-name = "VT Camera Core (1.8V)";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo18_reg: LDO18 {
+ regulator-name = "tsp_avdd_3.3v";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ ldo21_reg: LDO21 {
+ regulator-name = "usb_vdd_3.0";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+ };
+
+ ldo22_reg: LDO22 {
+ regulator-name = "usb_vdd_3.3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ };
+
+ ldo19_reg: LDO19 {
+ regulator-name = "vcc_3.0_evt1";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-always-on;
+ };
+
+ ldo20_reg: LDO20 {
+ regulator-name = "vcc_1.8_evt1";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
+ ldo24_reg: LDO24 {
+ regulator-name = "tsp_io range";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ regulator-always-on;
+ };
+
+ ldo25_reg: LDO25 {
+ regulator-name = "vcc_1.2v_cam";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ ldo26_reg: LDO26 {
+ regulator-name = "vcc_1.2v_usb range";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+ };
+ };
+};
+
+&mmc_0 {
+ status = "okay";
+ non-removable;
+ cap-mmc-highspeed;
+ supports-hs200-mode; /* 200 MHz */
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <0 4>;
+ samsung,dw-mshc-ddr-timing = <0 2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd0_rdqs &sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
+ bus-width = <8>;
+ vqmmc-supply = <&ldo10_reg>;
+};
+
+/* mmc1 is connected to J1 for the SDIO WiFi */
+
+&mmc_2 {
+ status = "okay";
+ cap-sd-highspeed;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-ciu-div = <3>;
+ samsung,dw-mshc-sdr-timing = <2 3>;
+ samsung,dw-mshc-ddr-timing = <1 2>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
+ bus-width = <4>;
+ disable-wp;
+ vmmc-supply = <&ldo13_reg>;
+ vqmmc-supply = <&ldo2_reg>;
+};
--
2.13.6
