linux-kernel - Re: [PATCH] ARM: dts: Drop am335x-base0033 devicetree

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Message-ID: <20251204103819.1681b954@kmaincent-XPS-13-7390>
Date: Thu, 4 Dec 2025 10:38:19 +0100
From: Kory Maincent <kory.maincent@...tlin.com>
To: linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Cc: thomas.petazzoni@...tlin.com, Tony Lindgren <tony@...mide.com>, Rob
 Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor
 Dooley <conor+dt@...nel.org>, Enric Balletbo i Serra <eballetbo@...il.com>
Subject: Re: [PATCH] ARM: dts: Drop am335x-base0033 devicetree

On Thu,  4 Dec 2025 10:23:44 +0100
Kory Maincent <kory.maincent@...tlin.com> wrote:

> From: "Kory Maincent (TI.com)" <kory.maincent@...tlin.com>
> 
> Remove the am335x-base0033 devicetree as it has been non-functional since
> 2017 (Linunx v4.14) when the ti,tilcdc,slave binding was removed. The HDMI
> output on this board has been broken for over 8 years without any reported
> issues or attempts to fix it, indicating this devicetree is no longer in
> active use.

+Enric Balletbo i Serra <eballetbo@...il.com>
The original author of this devicetree.

> 
> Signed-off-by: Kory Maincent (TI.com) <kory.maincent@...tlin.com>
> ---
>  arch/arm/boot/dts/ti/omap/Makefile            |  1 -
>  arch/arm/boot/dts/ti/omap/am335x-base0033.dts | 92 -------------------
>  2 files changed, 93 deletions(-)
>  delete mode 100644 arch/arm/boot/dts/ti/omap/am335x-base0033.dts
> 
> diff --git a/arch/arm/boot/dts/ti/omap/Makefile
> b/arch/arm/boot/dts/ti/omap/Makefile index 04c820771eae3..b79256b09d31f 100644
> --- a/arch/arm/boot/dts/ti/omap/Makefile
> +++ b/arch/arm/boot/dts/ti/omap/Makefile
> @@ -86,7 +86,6 @@ dtb-$(CONFIG_SOC_AM33XX) += \
>  	am335x-baltos-ir2110.dtb \
>  	am335x-baltos-ir3220.dtb \
>  	am335x-baltos-ir5221.dtb \
> -	am335x-base0033.dtb \
>  	am335x-bone.dtb \
>  	am335x-boneblack.dtb \
>  	am335x-boneblack-wireless.dtb \
> diff --git a/arch/arm/boot/dts/ti/omap/am335x-base0033.dts
> b/arch/arm/boot/dts/ti/omap/am335x-base0033.dts deleted file mode 100644
> index 46078af4b7a35..0000000000000
> --- a/arch/arm/boot/dts/ti/omap/am335x-base0033.dts
> +++ /dev/null
> @@ -1,92 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0-only
> -/*
> - * am335x-base0033.dts - Device Tree file for IGEP AQUILA EXPANSION
> - *
> - * Copyright (C) 2013 ISEE 2007 SL - https://www.isee.biz
> - */
> -
> -#include "am335x-igep0033.dtsi"
> -
> -/ {
> -	model = "IGEP COM AM335x on AQUILA Expansion";
> -	compatible = "isee,am335x-base0033", "isee,am335x-igep0033",
> "ti,am33xx"; -
> -	hdmi {
> -		compatible = "ti,tilcdc,slave";
> -		i2c = <&i2c0>;
> -		pinctrl-names = "default", "off";
> -		pinctrl-0 = <&nxp_hdmi_pins>;
> -		pinctrl-1 = <&nxp_hdmi_off_pins>;
> -		status = "okay";
> -	};
> -
> -	leds_base {
> -		pinctrl-names = "default";
> -		pinctrl-0 = <&leds_base_pins>;
> -
> -		compatible = "gpio-leds";
> -
> -		led0 {
> -			label = "base:red:user";
> -			gpios = <&gpio1 21 GPIO_ACTIVE_HIGH>;	/*
> gpio1_21 */
> -			default-state = "off";
> -		};
> -
> -		led1 {
> -			label = "base:green:user";
> -			gpios = <&gpio2 0 GPIO_ACTIVE_HIGH>;	/*
> gpio2_0 */
> -			default-state = "off";
> -		};
> -	};
> -};
> -
> -&am33xx_pinmux {
> -	nxp_hdmi_pins: nxp-hdmi-pins {
> -		pinctrl-single,pins = <
> -			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0,
> PIN_OUTPUT, MUX_MODE3)	/* xdma_event_intr0.clkout1 */
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA0, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA1, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA2, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA3, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA4, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA5, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA6, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA7, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA8, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA9, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA10, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA11, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA12, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA13, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA14, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_DATA15, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_VSYNC, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_HSYNC, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_PCLK, PIN_OUTPUT,
> MUX_MODE0)
> -			AM33XX_PADCONF(AM335X_PIN_LCD_AC_BIAS_EN,
> PIN_OUTPUT, MUX_MODE0)
> -		>;  
> -	};
> -	nxp_hdmi_off_pins: nxp-hdmi-off-pins {
> -		pinctrl-single,pins = <
> -			AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0,
> PIN_OUTPUT, MUX_MODE3)	/* xdma_event_intr0.clkout1 */
> -		>;  
> -	};
> -
> -	leds_base_pins: leds-base-pins {
> -		pinctrl-single,pins = <
> -			AM33XX_PADCONF(AM335X_PIN_GPMC_A5,
> PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* gpmc_a5.gpio1_21 */
> -			AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3,
> PIN_OUTPUT_PULLDOWN, MUX_MODE7)	/* gpmc_csn3.gpio2_0 */
> -		>;  
> -	};
> -};
> -
> -&lcdc {
> -	status = "okay";
> -};
> -
> -&i2c0 {
> -	eeprom: eeprom@50 {
> -		compatible = "atmel,24c256";
> -		reg = <0x50>;
> -	};
> -};



-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com