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Message-ID: <cde41b2e-629f-25ce-5adf-74b2e7bae75b@pengutronix.de>
Date:   Tue, 20 Jun 2023 18:23:33 +0200
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From:   Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [Linux-stm32] [PATCH v1 7/7] ARM: dts: stm32: Add Octavo
 OSD32MP1-RED board
To:     Sean Nyekjaer <sean@geanix.com>, Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc:     devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        dantuguf14105@gmail.com, linux-stm32@st-md-mailman.stormreply.com,
        linux-arm-kernel@lists.infradead.org
References: <20230620151312.1064629-1-sean@geanix.com>
 <20230620151312.1064629-7-sean@geanix.com>
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In-Reply-To: <20230620151312.1064629-7-sean@geanix.com>
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On 20.06.23 17:13, Sean Nyekjaer wrote:
> Add support for the Octavo OSD32MP1-RED development board.
> 
> General features:
>  - STM32MP157C
>  - 512MB DDR3
>  - CAN-FD
>  - HDMI
>  - USB-C OTG
>  - UART
> 
> Signed-off-by: Sean Nyekjaer <sean@geanix.com>
> Reviewed-by: Olivier Moysan <olivier.moysan@foss.st.com>
> ---
> Changes since v0:
>  - Adapted to use stm32mp15xx-osd32.dtsi
> 
>  .../arm/boot/dts/stm32mp157c-osd32mp1-red.dts | 226 ++++++++++++++++++
>  1 file changed, 226 insertions(+)
>  create mode 100644 arch/arm/boot/dts/stm32mp157c-osd32mp1-red.dts
> 
> diff --git a/arch/arm/boot/dts/stm32mp157c-osd32mp1-red.dts b/arch/arm/boot/dts/stm32mp157c-osd32mp1-red.dts
> new file mode 100644
> index 000000000000..2823857900de
> --- /dev/null
> +++ b/arch/arm/boot/dts/stm32mp157c-osd32mp1-red.dts
> @@ -0,0 +1,226 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> +/*
> + * Copyright (C) Geanix ApS 2023 - All Rights Reserved
> + * Author: Sean Nyekjaer <sean@geanix.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "stm32mp157.dtsi"
> +#include "stm32mp15xc.dtsi"
> +#include "stm32mp15xx-osd32.dtsi"
> +#include "stm32mp15xxac-pinctrl.dtsi"
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/pinctrl/stm32-pinfunc.h>
> +
> +/ {
> +	model = "Octavo OSD32MP1 RED board";
> +	compatible = "octavo,stm32mp157c-osd32mp1-red", "st,stm32mp157";

Add extra compatible For OSD32 SiP in the middle here.

> +
> +	aliases {
> +		serial0 = &uart4;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +
> +	led {
> +		compatible = "gpio-leds";
> +
> +		blue {

I think binding checker will complain about this node name.

> +			label = "heartbeat";
> +			gpios = <&gpiod 11 GPIO_ACTIVE_HIGH>;
> +			linux,default-trigger = "heartbeat";
> +			default-state = "off";

Does it make sense to have a heartbeat that's off by default?

> +		};
> +	};
> +};
> +
> +&ethernet0 {
> +	status = "okay";
> +	pinctrl-0 = <&ethernet0_rgmii_pins_a>;
> +	pinctrl-1 = <&ethernet0_rgmii_sleep_pins_a>;
> +	pinctrl-names = "default", "sleep";
> +	phy-mode = "rgmii-id";
> +	max-speed = <1000>;
> +	phy-handle = <&phy0>;
> +	st,eth-clk-sel;
> +
> +	mdio0 {
> +		#address-cells = <1>;
> +		#size-cells = <0>;

Nitpick: place after compatible (Interesting stuff first).

> +		compatible = "snps,dwmac-mdio";

new line.

> +		phy0: ethernet-phy@0 {

@3

> +			reg = <3>;
> +		};
> +	};
> +};
> +
> +
> +&i2s2 {
> +	clocks = <&rcc SPI2>, <&rcc SPI2_K>, <&rcc CK_PER>, <&rcc PLL3_R>;
> +	clock-names = "pclk", "i2sclk", "x8k", "x11k";
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&i2s2_pins_b>;
> +	pinctrl-1 = <&i2s2_sleep_pins_b>;
> +	status = "okay";
> +
> +	i2s2_port: port {
> +		i2s2_endpoint: endpoint {
> +			remote-endpoint = <&sii9022_tx_endpoint>;
> +			format = "i2s";
> +			mclk-fs = <256>;
> +		};
> +	};
> +};
> +
> +&iwdg2 {
> +	timeout-sec = <32>;
> +	status = "okay";
> +};
> +
> +&pwr_regulators {
> +	vdd-supply = <&vdd>;
> +	vdd_3v3_usbfs-supply = <&vdd_usb>;
> +};
> +
> +&ltdc {
> +	status = "okay";
> +
> +	port {
> +		ltdc_ep0_out: endpoint@0 {
> +			reg = <0>;
> +			remote-endpoint = <&sii9022_in>;
> +		};
> +	};
> +};
> +
> +&i2c1 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&i2c1_pins_a>;
> +	pinctrl-1 = <&i2c1_sleep_pins_a>;
> +	status = "okay";
> +	i2c-scl-rising-time-ns = <100>;
> +	i2c-scl-falling-time-ns = <7>;
> +	/delete-property/dmas;
> +	/delete-property/dma-names;
> +
> +	hdmi-transmitter@39 {
> +		compatible = "sil,sii9022";
> +		reg = <0x39>;
> +		reset-gpios = <&gpiog 0 GPIO_ACTIVE_LOW>;
> +		interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
> +		interrupt-parent = <&gpiog>;
> +		pinctrl-names = "default", "sleep";
> +		pinctrl-0 = <&ltdc_pins_e>;
> +		pinctrl-1 = <&ltdc_sleep_pins_e>;
> +		status = "okay";
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				sii9022_in: endpoint {
> +					remote-endpoint = <&ltdc_ep0_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +				sii9022_tx_endpoint: endpoint {
> +					remote-endpoint = <&i2s2_endpoint>;
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&sdmmc1 {
> +	pinctrl-names = "default", "opendrain", "sleep";
> +	pinctrl-0 = <&sdmmc1_b4_pins_a>;
> +	pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
> +	pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
> +	cd-gpios = <&gpioe 7 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>;
> +	disable-wp;
> +	st,neg-edge;
> +	bus-width = <4>;
> +	vmmc-supply = <&v3v3>;
> +	status = "okay";
> +};
> +
> +&sdmmc2 {
> +	pinctrl-names = "default", "opendrain", "sleep";
> +	pinctrl-0 = <&sdmmc2_b4_pins_a &sdmmc2_d47_pins_d>;
> +	pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
> +	pinctrl-2 = <&sdmmc2_b4_sleep_pins_a &sdmmc2_d47_sleep_pins_d>;
> +	non-removable;
> +	no-sd;
> +	no-sdio;
> +	st,neg-edge;
> +	bus-width = <8>;
> +	vmmc-supply = <&v3v3>;
> +	vqmmc-supply = <&vdd>;
> +	mmc-ddr-3_3v;
> +	status = "okay";
> +};
> +
> +&uart4 {
> +	pinctrl-names = "default", "sleep", "idle";
> +	pinctrl-0 = <&uart4_pins_a>;
> +	pinctrl-1 = <&uart4_sleep_pins_a>;
> +	pinctrl-2 = <&uart4_idle_pins_a>;
> +	/delete-property/dmas;
> +	/delete-property/dma-names;
> +	status = "okay";
> +};
> +
> +&m_can1 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&m_can1_pins_d>;
> +	pinctrl-1 = <&m_can1_sleep_pins_d>;
> +	status = "okay";
> +};
> +
> +&usbh_ehci {
> +	phys = <&usbphyc_port0>;
> +	phy-names = "usb";
> +	status = "okay";
> +};
> +
> +&usbh_ohci {
> +	phys = <&usbphyc_port0>;
> +	phy-names = "usb";
> +	status = "okay";
> +};
> +
> +&usbotg_hs {
> +	vbus-supply = <&vbus_otg>;
> +};
> +
> +&usbphyc {
> +	status = "okay";
> +};
> +
> +&usbphyc_port0 {
> +	phy-supply = <&vdd_usb>;
> +};
> +
> +&usbphyc_port1 {
> +	phy-supply = <&vdd_usb>;
> +};
> +
> +&rtc {
> +	status = "okay";
> +};
> +
> +&crc1 {
> +	status = "okay";
> +};
> +
> +&dts {
> +	status = "okay";
> +};

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