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Date:   Fri,  3 May 2019 11:01:23 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     mcoquelin.stm32@...il.com, alexandre.torgue@...com,
        robh+dt@...nel.org
Cc:     linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, loic.pallardy@...com,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 3/3] ARM: dts: Add Avenger96 devicetree support based on STM32MP157A

Add devicetree support for Avenger96 board based on STM32MP157A MPU
from ST Micro. This board is one of the 96Boards Consumer Edition board
from Arrow Electronics and has the following features:

SoC: STM32MP157AAC
PMIC: STPMIC1A
RAM: 1024 Mbyte @ 533MHz
Storage: eMMC v4.51: 8 Gbyte
         microSD Socket: UHS-1 v3.01
Ethernet Port: 10/100/1000 Mbit/s, IEEE 802.3 Compliant
Wireless: WiFi 5 GHz & 2.4GHz IEEE 802.11a/b/g/n/ac
          Bluetooth®v4.2 (BR/EDR/BLE)
USB: 2x Type A (USB 2.0) Host and 1x Micro B (USB 2.0) OTG
Display: HDMI: WXGA (1366x768)@ 60 fps, HDMI 1.4
LED: 4x User LED, 1x WiFi LED, 1x BT LED

More information about this board can be found in 96Boards website:
https://www.96boards.org/product/avenger96/

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 arch/arm/boot/dts/Makefile                  |   1 +
 arch/arm/boot/dts/stm32mp157a-avenger96.dts | 320 ++++++++++++++++++++
 2 files changed, 321 insertions(+)
 create mode 100644 arch/arm/boot/dts/stm32mp157a-avenger96.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 8a1d0b3f55dd..f1d2f0bfa7c2 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -965,6 +965,7 @@ dtb-$(CONFIG_ARCH_STM32) += \
 	stm32h743i-eval.dtb \
 	stm32h743i-disco.dtb \
 	stm32mp157a-dk1.dtb \
+	stm32mp157a-avenger96.dtb \
 	stm32mp157c-dk2.dtb \
 	stm32mp157c-ed1.dtb \
 	stm32mp157c-ev1.dtb
diff --git a/arch/arm/boot/dts/stm32mp157a-avenger96.dts b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
new file mode 100644
index 000000000000..a3b8af82ac70
--- /dev/null
+++ b/arch/arm/boot/dts/stm32mp157a-avenger96.dts
@@ -0,0 +1,320 @@
+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
+/*
+ * Copyright (C) Linaro Ltd 2019 - All Rights Reserved
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
+ */
+
+/dts-v1/;
+
+#include "stm32mp157c.dtsi"
+#include "stm32mp157-pinctrl.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/mfd/st,stpmic1.h>
+
+/ {
+	model = "Arrow Electronics STM32MP157A Avenger96 board";
+	compatible = "arrow,stm32mp157a-avenger96", "st,stm32mp157";
+
+	aliases {
+		ethernet0 = &ethernet0;
+		mmc0 = &sdmmc1;
+		serial0 = &uart4;
+		serial1 = &uart7;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@...00000 {
+		reg = <0xc0000000 0x40000000>;
+	};
+
+	led {
+		compatible = "gpio-leds";
+		led1 {
+			label = "green:user1";
+			gpios = <&gpioz 7 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+			default-state = "off";
+		};
+
+		led2 {
+			label = "green:user2";
+			gpios = <&gpiof 3 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "mmc0";
+			default-state = "off";
+		};
+
+		led3 {
+			label = "green:user3";
+			gpios = <&gpiog 0 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "mmc1";
+			default-state = "off";
+		};
+
+		led4 {
+			label = "green:user3";
+			gpios = <&gpiog 1 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "none";
+			default-state = "off";
+			panic-indicator;
+		};
+
+		led5 {
+			label = "yellow:wifi";
+			gpios = <&gpioz 3 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "phy0tx";
+			default-state = "off";
+		};
+
+		led6 {
+			label = "blue:bt";
+			gpios = <&gpioz 6 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "bluetooth-power";
+			default-state = "off";
+		};
+	};
+};
+
+&ethernet0 {
+	status = "okay";
+	pinctrl-0 = <&ethernet0_rgmii_pins_a>;
+	pinctrl-1 = <&ethernet0_rgmii_pins_sleep_a>;
+	pinctrl-names = "default", "sleep";
+	phy-mode = "rgmii";
+	max-speed = <1000>;
+	phy-handle = <&phy0>;
+
+	mdio0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+		phy0: ethernet-phy@7 {
+			reg = <7>;
+		};
+	};
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c1_pins_b>;
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	status = "okay";
+	/delete-property/dmas;
+	/delete-property/dma-names;
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c2_pins_b>;
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	status = "okay";
+	/delete-property/dmas;
+	/delete-property/dma-names;
+};
+
+&i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c4_pins_a>;
+	i2c-scl-rising-time-ns = <185>;
+	i2c-scl-falling-time-ns = <20>;
+	status = "okay";
+	/delete-property/dmas;
+	/delete-property/dma-names;
+
+	pmic: stpmic@33 {
+		compatible = "st,stpmic1";
+		reg = <0x33>;
+		interrupts-extended = <&exti 55 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		status = "okay";
+
+		st,main-control-register = <0x04>;
+		st,vin-control-register = <0xc0>;
+		st,usb-control-register = <0x30>;
+
+		regulators {
+			compatible = "st,stpmic1-regulators";
+
+			ldo1-supply = <&v3v3>;
+			ldo2-supply = <&v3v3>;
+			ldo3-supply = <&vdd_ddr>;
+			ldo5-supply = <&v3v3>;
+			ldo6-supply = <&v3v3>;
+			pwr_sw1-supply = <&bst_out>;
+			pwr_sw2-supply = <&bst_out>;
+
+			vddcore: buck1 {
+				regulator-name = "vddcore";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd_ddr: buck2 {
+				regulator-name = "vdd_ddr";
+				regulator-min-microvolt = <1350000>;
+				regulator-max-microvolt = <1350000>;
+				regulator-always-on;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			vdd: buck3 {
+				regulator-name = "vdd";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				st,mask_reset;
+				regulator-initial-mode = <0>;
+				regulator-over-current-protection;
+			};
+
+			v3v3: buck4 {
+				regulator-name = "v3v3";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+				regulator-over-current-protection;
+				regulator-initial-mode = <0>;
+			};
+
+			vdda: ldo1 {
+				regulator-name = "vdda";
+				regulator-min-microvolt = <2900000>;
+				regulator-max-microvolt = <2900000>;
+				interrupts = <IT_CURLIM_LDO1 0>;
+				interrupt-parent = <&pmic>;
+			};
+
+			v2v8: ldo2 {
+				regulator-name = "v2v8";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				interrupts = <IT_CURLIM_LDO2 0>;
+				interrupt-parent = <&pmic>;
+			};
+
+			vtt_ddr: ldo3 {
+				regulator-name = "vtt_ddr";
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <750000>;
+				regulator-always-on;
+				regulator-over-current-protection;
+			};
+
+			vdd_usb: ldo4 {
+				regulator-name = "vdd_usb";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				interrupts = <IT_CURLIM_LDO4 0>;
+				interrupt-parent = <&pmic>;
+			};
+
+			vdd_sd: ldo5 {
+				regulator-name = "vdd_sd";
+				regulator-min-microvolt = <2900000>;
+				regulator-max-microvolt = <2900000>;
+				interrupts = <IT_CURLIM_LDO5 0>;
+				interrupt-parent = <&pmic>;
+				regulator-boot-on;
+			};
+
+			v1v8: ldo6 {
+				regulator-name = "v1v8";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				interrupts = <IT_CURLIM_LDO6 0>;
+				interrupt-parent = <&pmic>;
+				regulator-enable-ramp-delay = <300000>;
+			};
+
+			vref_ddr: vref_ddr {
+				regulator-name = "vref_ddr";
+				regulator-always-on;
+				regulator-over-current-protection;
+			};
+
+			bst_out: boost {
+				regulator-name = "bst_out";
+				interrupts = <IT_OCP_BOOST 0>;
+				interrupt-parent = <&pmic>;
+			};
+
+			vbus_otg: pwr_sw1 {
+				regulator-name = "vbus_otg";
+				interrupts = <IT_OCP_OTG 0>;
+				interrupt-parent = <&pmic>;
+				regulator-active-discharge;
+			};
+
+			vbus_sw: pwr_sw2 {
+				regulator-name = "vbus_sw";
+				interrupts = <IT_OCP_SWOUT 0>;
+				interrupt-parent = <&pmic>;
+				regulator-active-discharge;
+			};
+		};
+
+		onkey {
+			compatible = "st,stpmic1-onkey";
+			interrupts = <IT_PONKEY_F 0>, <IT_PONKEY_R 1>;
+			interrupt-names = "onkey-falling", "onkey-rising";
+			status = "okay";
+		};
+
+		watchdog {
+			compatible = "st,stpmic1-wdt";
+			status = "disabled";
+		};
+	};
+};
+
+&iwdg2 {
+	timeout-sec = <32>;
+	status = "okay";
+};
+
+&rng1 {
+	status = "okay";
+};
+
+&rtc {
+	status = "okay";
+};
+
+&sdmmc1 {
+	pinctrl-names = "default", "opendrain", "sleep";
+	pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
+	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
+	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
+	broken-cd;
+	st,sig-dir;
+	st,neg-edge;
+	st,use-ckin;
+	bus-width = <4>;
+	vmmc-supply = <&vdd_sd>;
+	status = "okay";
+};
+
+&uart4 {
+	/* On Low speed expansion header */
+	label = "LS-UART1";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart4_pins_b>;
+	status = "okay";
+};
+
+&uart7 {
+	/* On Low speed expansion header */
+	label = "LS-UART0";
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart7_pins_a>;
+	status = "okay";
+};
-- 
2.17.1

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