linux-kernel - Re: [PATCH v10 4/4] ARM: dts: mxs: Add descriptions for imx287 based btt3-[012] devices

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Message-ID: <20241106115752.30397dbf@wsk>
Date: Wed, 6 Nov 2024 11:57:52 +0100
From: Lukasz Majewski <lukma@...x.de>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, Sascha
 Hauer <s.hauer@...gutronix.de>
Cc: Pengutronix Kernel Team <kernel@...gutronix.de>, Fabio Estevam
 <festevam@...il.com>, devicetree@...r.kernel.org, imx@...ts.linux.dev,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Stefan
 Wahren <wahrenst@....net>
Subject: Re: [PATCH v10 4/4] ARM: dts: mxs: Add descriptions for imx287
 based btt3-[012] devices

On Thu, 31 Oct 2024 09:42:36 +0100
Lukasz Majewski <lukma@...x.de> wrote:

> Dear Community,
> 
> > The btt3 device' HW revisions from 0 to 2 use imx287 SoC and are to
> > some extend similar to already upstreamed XEA devices, hence are
> > using common imx28-lwe.dtsi file.
> > 
> > New, imx28-btt3.dtsi has been added to embrace common DTS
> > properties for different HW revisions for this device.
> > 
> > As a result - changes introduced in imx28-btt3-[012].dts are
> > minimal.
> > 
> > Signed-off-by: Lukasz Majewski <lukma@...x.de>
> > 
> > ---
> > Changes for v2:
> > - Rename dts file from btt3-[012] to imx28-btt3-[012] to match
> > current linux kernel naming convention
> > - Remove 'wlf,wm8974' from compatible for codec@1a
> > 
> > Changes for v3:
> > - Keep alphabethical order for Makefile entries
> > 
> > Changes for v4:
> > - Change compatible for btt3 board (to 'lwn,imx28-btt3')
> > 
> > Changes for v5:
> > - Combine patch, which adds btt3-[012] with one adding board entry
> > to fsl.yaml
> > 
> > Changes for v6:
> > - Make the patch series for adding entry in fsl.yaml and btt3
> > 
> > Changes for v7:
> > - Use "panel" property as suggested by the community
> > - Use panel-timing to specify the display parameters
> > - Update subject line with correct tags
> > 
> > Changes for v8:
> > - Use GPIO_ACTIVE_HIGH instead of '0'
> > - Add the comment regarding mac address specification
> > - Remove superfluous comment
> > - Change wifi-en-pin node name
> > 
> > Changes for v9:
> > - Remove not used 'pm-ignore-notify'
> > - Add display names for 'panel-dpi' compatible to avoid Schema
> > warnings
> > 
> > Changes for v10:
> > - Drop new line with panel-timing definitions
> > - Add new lines with 'sound' node
> > - Change 'codec' to 'audio-codec'
> > - Change order of properties for saif1 node  
> 
> Are there any more comments regarding this patch?

Gentle ping on this patch set.

> 
> > ---
> >  arch/arm/boot/dts/nxp/mxs/Makefile         |   3 +
> >  arch/arm/boot/dts/nxp/mxs/imx28-btt3-0.dts |  12 +
> >  arch/arm/boot/dts/nxp/mxs/imx28-btt3-1.dts |   8 +
> >  arch/arm/boot/dts/nxp/mxs/imx28-btt3-2.dts |  39 +++
> >  arch/arm/boot/dts/nxp/mxs/imx28-btt3.dtsi  | 313
> > +++++++++++++++++++++ 5 files changed, 375 insertions(+)
> >  create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-btt3-0.dts
> >  create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-btt3-1.dts
> >  create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-btt3-2.dts
> >  create mode 100644 arch/arm/boot/dts/nxp/mxs/imx28-btt3.dtsi
> > 
> > diff --git a/arch/arm/boot/dts/nxp/mxs/Makefile
> > b/arch/arm/boot/dts/nxp/mxs/Makefile index
> > a430d04f9c69..96dd31ea19ba 100644 ---
> > a/arch/arm/boot/dts/nxp/mxs/Makefile +++
> > b/arch/arm/boot/dts/nxp/mxs/Makefile @@ -8,6 +8,9 @@
> > dtb-$(CONFIG_ARCH_MXS) += \ imx28-apf28.dtb \
> >  	imx28-apf28dev.dtb \
> >  	imx28-apx4devkit.dtb \
> > +	imx28-btt3-0.dtb \
> > +	imx28-btt3-1.dtb \
> > +	imx28-btt3-2.dtb \
> >  	imx28-cfa10036.dtb \
> >  	imx28-cfa10037.dtb \
> >  	imx28-cfa10049.dtb \
> > diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-btt3-0.dts
> > b/arch/arm/boot/dts/nxp/mxs/imx28-btt3-0.dts new file mode 100644
> > index 000000000000..6ac46e4b21bb
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/nxp/mxs/imx28-btt3-0.dts
> > @@ -0,0 +1,12 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright 2024
> > + * Lukasz Majewski, DENX Software Engineering, lukma@...x.de
> > + */
> > +
> > +/dts-v1/;
> > +#include "imx28-btt3.dtsi"
> > +
> > +&hog_pins_rev {
> > +	fsl,pull-up = <MXS_PULL_ENABLE>;
> > +};
> > diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-btt3-1.dts
> > b/arch/arm/boot/dts/nxp/mxs/imx28-btt3-1.dts new file mode 100644
> > index 000000000000..213fe931c58b
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/nxp/mxs/imx28-btt3-1.dts
> > @@ -0,0 +1,8 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright 2024
> > + * Lukasz Majewski, DENX Software Engineering, lukma@...x.de
> > + */
> > +
> > +/dts-v1/;
> > +#include "imx28-btt3.dtsi"
> > diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-btt3-2.dts
> > b/arch/arm/boot/dts/nxp/mxs/imx28-btt3-2.dts new file mode 100644
> > index 000000000000..4bccd784d065
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/nxp/mxs/imx28-btt3-2.dts
> > @@ -0,0 +1,39 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright 2024
> > + * Lukasz Majewski, DENX Software Engineering, lukma@...x.de
> > + */
> > +
> > +/dts-v1/;
> > +#include "imx28-btt3.dtsi"
> > +
> > +/ {
> > +	panel {
> > +		compatible = "powertip,st7272", "panel-dpi";
> > +		power-supply = <&reg_3v3>;
> > +		width-mm = <70>;
> > +		height-mm = <52>;
> > +
> > +		panel-timing {
> > +			clock-frequency = <6500000>;
> > +			hactive = <320>;
> > +			vactive = <240>;
> > +			hfront-porch = <20>;
> > +			hback-porch = <68>;
> > +			hsync-len = <30>;
> > +			vfront-porch = <4>;
> > +			vback-porch = <14>;
> > +			vsync-len = <4>;
> > +			hsync-active = <0>;
> > +			vsync-active = <0>;
> > +			de-active = <1>;
> > +			pixelclk-active = <1>;
> > +		};
> > +
> > +		port {
> > +			panel_in: endpoint {
> > +				remote-endpoint = <&display_out>;
> > +			};
> > +		};
> > +	};
> > +};
> > diff --git a/arch/arm/boot/dts/nxp/mxs/imx28-btt3.dtsi
> > b/arch/arm/boot/dts/nxp/mxs/imx28-btt3.dtsi new file mode 100644
> > index 000000000000..2c52e67e5c14
> > --- /dev/null
> > +++ b/arch/arm/boot/dts/nxp/mxs/imx28-btt3.dtsi
> > @@ -0,0 +1,313 @@
> > +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
> > +/*
> > + * Copyright 2024
> > + * Lukasz Majewski, DENX Software Engineering, lukma@...x.de
> > + */
> > +/dts-v1/;
> > +#include "imx28-lwe.dtsi"
> > +
> > +/ {
> > +	model = "BTT3";
> > +
> > +	compatible = "lwn,imx28-btt3", "fsl,imx28";
> > +
> > +	chosen {
> > +	       bootargs = "root=/dev/mmcblk0p2 rootfstype=ext4 ro
> > rootwait console=ttyAMA0,115200 panic=1 quiet";
> > +	};
> > +
> > +	memory@...00000 {
> > +		reg = <0x40000000 0x10000000>;
> > +		device_type = "memory";
> > +	};
> > +
> > +	panel {
> > +		compatible = "powertip,hx8238a", "panel-dpi";
> > +		power-supply = <&reg_3v3>;
> > +		width-mm = <70>;
> > +		height-mm = <52>;
> > +
> > +		panel-timing {
> > +			clock-frequency = <6500000>;
> > +			hactive = <320>;
> > +			vactive = <240>;
> > +			hfront-porch = <20>;
> > +			hback-porch = <38>;
> > +			hsync-len = <30>;
> > +			vfront-porch = <4>;
> > +			vback-porch = <14>;
> > +			vsync-len = <4>;
> > +			hsync-active = <0>;
> > +			vsync-active = <0>;
> > +			de-active = <0>;
> > +			pixelclk-active = <1>;
> > +		};
> > +
> > +		port {
> > +			panel_in: endpoint {
> > +				remote-endpoint = <&display_out>;
> > +			};
> > +		};
> > +	};
> > +
> > +	poweroff {
> > +		compatible = "gpio-poweroff";
> > +		gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
> > +	};
> > +
> > +	sound {
> > +		compatible = "simple-audio-card";
> > +		simple-audio-card,name = "BTTC Audio";
> > +		simple-audio-card,widgets = "Speaker", "BTTC
> > Speaker";
> > +		simple-audio-card,routing = "BTTC Speaker",
> > "SPKOUTN", "BTTC Speaker", "SPKOUTP"; +
> > +		simple-audio-card,dai-link@0 {
> > +			format = "left_j";
> > +			bitclock-master = <&dai0_master>;
> > +			frame-master = <&dai0_master>;
> > +			mclk-fs = <256>;
> > +
> > +			dai0_master: cpu {
> > +				sound-dai = <&saif0>;
> > +			};
> > +
> > +			codec {
> > +				sound-dai = <&wm89xx>;
> > +				clocks = <&saif0>;
> > +			};
> > +		};
> > +	};
> > +
> > +	wifi_pwrseq: sdio-pwrseq {
> > +		compatible = "mmc-pwrseq-simple";
> > +		pinctrl-names = "default";
> > +		pinctrl-0 = <&wifi_en_pin_bttc>;
> > +		reset-gpios = <&gpio0 27 GPIO_ACTIVE_LOW>;
> > +		/* W1-163 needs 60us for WL_EN to be low and */
> > +		/* 150ms after high before downloading FW is
> > possible */
> > +		post-power-on-delay-ms = <200>;
> > +		power-off-delay-us = <100>;
> > +	};
> > +};
> > +
> > +&auart0 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&auart0_2pins_a>;
> > +	status = "okay";
> > +};
> > +
> > +&auart3 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&auart3_pins_a>;
> > +	uart-has-rtscts;
> > +	status = "okay";
> > +};
> > +
> > +&i2c0 {
> > +	wm89xx: audio-codec@1a {
> > +		compatible = "wlf,wm8940";
> > +		reg = <0x1a>;
> > +		#sound-dai-cells = <0>;
> > +	};
> > +};
> > +
> > +&lcdif {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&lcdif_24bit_pins_a>, <&lcdif_sync_pins_bttc>,
> > +		    <&lcdif_reset_pins_bttc>;
> > +	status = "okay";
> > +
> > +	port {
> > +		display_out: endpoint {
> > +			remote-endpoint = <&panel_in>;
> > +		};
> > +	};
> > +};
> > +
> > +&mac0 {
> > +	clocks = <&clks 57>, <&clks 57>, <&clks 64>;
> > +	clock-names = "ipg", "ahb", "enet_out";
> > +	phy-handle = <&mac0_phy>;
> > +	phy-mode = "rmii";
> > +	phy-supply = <&reg_3v3>;
> > +	/*
> > +	 * This MAC address is adjusted during production.
> > +	 * Value specified below is used as a fallback during
> > recovery.
> > +	 */
> > +	local-mac-address = [ 00 11 B8 00 BF 8A ];
> > +	status = "okay";
> > +
> > +	mdio {
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> > +
> > +		mac0_phy: ethernet-phy@0 {
> > +			/* LAN8720Ai - PHY ID */
> > +			compatible =
> > "ethernet-phy-id0007.c0f0","ethernet-phy-ieee802.3-c22";
> > +			reg = <0>;
> > +			smsc,disable-energy-detect;
> > +			max-speed = <100>;
> > +			reset-gpios = <&gpio4 12 GPIO_ACTIVE_LOW>;
> > +			reset-assert-us = <1000>;
> > +			reset-deassert-us = <1000>;
> > +		};
> > +	};
> > +};
> > +
> > +&pinctrl {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&hog_pins_a>, <&hog_pins_rev>;
> > +
> > +	hog_pins_a: hog@0 {
> > +		reg = <0>;
> > +		fsl,pinmux-ids = <
> > +			MX28_PAD_GPMI_RDY2__GPIO_0_22
> > +			MX28_PAD_GPMI_RDY3__GPIO_0_23
> > +			MX28_PAD_GPMI_RDN__GPIO_0_24
> > +			MX28_PAD_LCD_VSYNC__GPIO_1_28
> > +			MX28_PAD_SSP2_SS1__GPIO_2_20
> > +			MX28_PAD_SSP2_SS2__GPIO_2_21
> > +			MX28_PAD_AUART2_CTS__GPIO_3_10
> > +			MX28_PAD_AUART2_RTS__GPIO_3_11
> > +			MX28_PAD_GPMI_WRN__GPIO_0_25
> > +			MX28_PAD_ENET0_RXD2__GPIO_4_9
> > +			MX28_PAD_ENET0_TXD2__GPIO_4_11
> > +		>;
> > +		fsl,drive-strength = <MXS_DRIVE_4mA>;
> > +		fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > +		fsl,pull-up = <MXS_PULL_DISABLE>;
> > +	};
> > +
> > +	hog_pins_rev: hog@1 {
> > +		reg = <1>;
> > +		fsl,pinmux-ids = <
> > +			MX28_PAD_ENET0_RXD3__GPIO_4_10
> > +			MX28_PAD_ENET0_TX_CLK__GPIO_4_5
> > +			MX28_PAD_ENET0_COL__GPIO_4_14
> > +			MX28_PAD_ENET0_CRS__GPIO_4_15
> > +		>;
> > +		fsl,drive-strength = <MXS_DRIVE_4mA>;
> > +		fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > +		fsl,pull-up = <MXS_PULL_DISABLE>;
> > +	};
> > +
> > +	keypad_pins_bttc: keypad-bttc@0 {
> > +		reg = <0>;
> > +		fsl,pinmux-ids = <
> > +			MX28_PAD_GPMI_D00__GPIO_0_0
> > +			MX28_PAD_AUART0_CTS__GPIO_3_2
> > +			MX28_PAD_AUART0_RTS__GPIO_3_3
> > +			MX28_PAD_GPMI_D03__GPIO_0_3
> > +			MX28_PAD_GPMI_D04__GPIO_0_4
> > +			MX28_PAD_GPMI_D05__GPIO_0_5
> > +			MX28_PAD_GPMI_D06__GPIO_0_6
> > +			MX28_PAD_GPMI_D07__GPIO_0_7
> > +			MX28_PAD_GPMI_CE1N__GPIO_0_17
> > +			MX28_PAD_GPMI_CE2N__GPIO_0_18
> > +			MX28_PAD_GPMI_CE3N__GPIO_0_19
> > +			MX28_PAD_GPMI_RDY0__GPIO_0_20
> > +		>;
> > +		fsl,drive-strength = <MXS_DRIVE_4mA>;
> > +		fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > +		fsl,pull-up = <MXS_PULL_DISABLE>;
> > +	};
> > +
> > +	lcdif_sync_pins_bttc: lcdif-bttc@0 {
> > +		reg = <0>;
> > +		fsl,pinmux-ids = <
> > +			MX28_PAD_LCD_DOTCLK__LCD_DOTCLK
> > +			MX28_PAD_LCD_ENABLE__LCD_ENABLE
> > +			MX28_PAD_LCD_HSYNC__LCD_HSYNC
> > +			MX28_PAD_LCD_RD_E__LCD_VSYNC
> > +		>;
> > +		fsl,drive-strength = <MXS_DRIVE_4mA>;
> > +		fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > +		fsl,pull-up = <MXS_PULL_DISABLE>;
> > +	};
> > +
> > +	lcdif_reset_pins_bttc: lcdif-bttc@1 {
> > +		reg = <1>;
> > +		fsl,pinmux-ids = <
> > +			MX28_PAD_LCD_RESET__GPIO_3_30
> > +		>;
> > +		fsl,drive-strength = <MXS_DRIVE_4mA>;
> > +		fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > +		fsl,pull-up = <MXS_PULL_ENABLE>;
> > +	};
> > +
> > +	ssp1_sdio_pins_a: ssp1-sdio@0 {
> > +		reg = <0>;
> > +		fsl,pinmux-ids = <
> > +			MX28_PAD_SSP1_DATA0__SSP1_D0
> > +			MX28_PAD_GPMI_D01__SSP1_D1
> > +			MX28_PAD_GPMI_D02__SSP1_D2
> > +			MX28_PAD_SSP1_DATA3__SSP1_D3
> > +			MX28_PAD_SSP1_CMD__SSP1_CMD
> > +			MX28_PAD_SSP1_SCK__SSP1_SCK
> > +		>;
> > +		fsl,drive-strength = <MXS_DRIVE_8mA>;
> > +		fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > +		fsl,pull-up = <MXS_PULL_ENABLE>;
> > +	};
> > +
> > +	wifi_en_pin_bttc: wifi-en-pin@0 {
> > +		reg = <0>;
> > +		fsl,pinmux-ids = <
> > +			MX28_PAD_GPMI_CLE__GPIO_0_27
> > +		>;
> > +		fsl,drive-strength = <MXS_DRIVE_8mA>;
> > +		fsl,voltage = <MXS_VOLTAGE_HIGH>;
> > +		fsl,pull-up = <MXS_PULL_ENABLE>;
> > +	};
> > +};
> > +
> > +&pwm {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pwm3_pins_a>;
> > +	status = "okay";
> > +};
> > +
> > +&reg_usb_5v {
> > +	gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
> > +};
> > +
> > +&saif0 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&saif0_pins_a>;
> > +	#sound-dai-cells = <0>;
> > +	assigned-clocks = <&clks 53>;
> > +	assigned-clock-rates = <12000000>;
> > +	status = "okay";
> > +};
> > +
> > +&saif1 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&saif1_pins_a>;
> > +	#sound-dai-cells = <0>;
> > +	fsl,saif-master = <&saif0>;
> > +	status = "okay";
> > +};
> > +
> > +&ssp1 {
> > +	compatible = "fsl,imx28-mmc";
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&ssp1_sdio_pins_a>;
> > +	bus-width = <4>;
> > +	no-1-8-v;       /* force 3.3V VIO */
> > +	non-removable;
> > +	vmmc-supply = <&reg_3v3>;
> > +	mmc-pwrseq = <&wifi_pwrseq>;
> > +	keep-power-in-suspend;
> > +	status = "okay";
> > +
> > +	wlan@1 {
> > +		reg = <1>;
> > +		compatible = "brcm,bcm4329-fmac";
> > +	};
> > +};
> > +
> > +&ssp2 {
> > +	compatible = "fsl,imx28-spi";
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&spi2_pins_a>;
> > +	status = "okay";
> > +};  
> 
> 
> 
> 
> Best regards,
> 
> Lukasz Majewski
> 
> --
> 
> DENX Software Engineering GmbH,      Managing Director: Erika Unter
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email:
> lukma@...x.de




Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-59 Fax: (+49)-8142-66989-80 Email: lukma@...x.de

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