linux-kernel - Re: [PATCH 3/3] ARM: dts: Add Avenger96 devicetree support based on STM32MP157A

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Date:   Mon, 6 May 2019 15:30:42 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Alexandre Torgue <alexandre.torgue@...com>
Cc:     mcoquelin.stm32@...il.com, robh+dt@...nel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, loic.pallardy@...com
Subject: Re: [PATCH 3/3] ARM: dts: Add Avenger96 devicetree support based on
 STM32MP157A

Hi Alex,

On Fri, May 03, 2019 at 11:01:00AM +0200, Alexandre Torgue wrote:
> Hi Mani
> 
> On 5/3/19 7:31 AM, Manivannan Sadhasivam wrote:
> > 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 \
> 
> follow alphabetic order please.
>

Ack

> >   	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>;
> 
> you could add device_type = "memory";
>

Ack.

Thanks,
Mani
 
> > +	};
> > +
> > +	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";
> > +};
> >