[PATCH 1/2] imx6dl-sielaff: Convert to OF_UPSTREAM

Frieder Schrempf frieder.schrempf at kontron.de
Mon Jul 21 15:08:41 CEST 2025


Hi Quentin,

Am 21.07.25 um 15:01 schrieb Quentin Schulz:
> Hi Frieder,
> 
> On 7/21/25 2:51 PM, Frieder Schrempf wrote:
>> [You don't often get email from frieder at fris.de. Learn why this is
>> important at https://aka.ms/LearnAboutSenderIdentification ]
>>
>> From: Frieder Schrempf <frieder.schrempf at kontron.de>
>>
>> Switch to OF_UPSTREAM to make use of the upstream devicetree.
>>
>> Signed-off-by: Frieder Schrempf <frieder.schrempf at kontron.de>
>> ---
>>   arch/arm/dts/Makefile            |   1 -
>>   arch/arm/dts/imx6dl-sielaff.dts  | 533 -------------------------------
>>   arch/arm/mach-imx/mx6/Kconfig    |   1 +
>>   configs/imx6dl_sielaff_defconfig |   2 +-
>>   4 files changed, 2 insertions(+), 535 deletions(-)
>>   delete mode 100644 arch/arm/dts/imx6dl-sielaff.dts
>>
>> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
>> index db83abb5967..d3cb7cf3f43 100644
>> --- a/arch/arm/dts/Makefile
>> +++ b/arch/arm/dts/Makefile
>> @@ -760,7 +760,6 @@ dtb-y += \
>>          imx6dl-riotboard.dtb \
>>          imx6dl-sabreauto.dtb \
>>          imx6dl-sabresd.dtb \
>> -       imx6dl-sielaff.dtb \
>>          imx6dl-wandboard-revd1.dtb
>>
>>   endif
>> diff --git a/arch/arm/dts/imx6dl-sielaff.dts b/arch/arm/dts/imx6dl-
>> sielaff.dts
>> deleted file mode 100644
>> index 7de8d5f2651..00000000000
>> --- a/arch/arm/dts/imx6dl-sielaff.dts
>> +++ /dev/null
>> @@ -1,533 +0,0 @@
>> -// SPDX-License-Identifier: GPL-2.0+ OR MIT
>> -/*
>> - * Copyright (C) 2022 Kontron Electronics GmbH
>> - */
>> -
>> -/dts-v1/;
>> -
>> -#include "imx6dl.dtsi"
>> -#include <dt-bindings/clock/imx6qdl-clock.h>
>> -#include <dt-bindings/gpio/gpio.h>
>> -#include <dt-bindings/input/input.h>
>> -
>> -/ {
>> -       model = "Sielaff i.MX6 Solo";
>> -       compatible = "sielaff,imx6dl-board", "fsl,imx6dl";
>> -
>> -       chosen {
>> -               stdout-path = &uart2;
>> -       };
>> -
>> -       backlight: pwm-backlight {
>> -               compatible = "pwm-backlight";
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_backlight>;
>> -               pwms = <&pwm3 0 50000 0>;
>> -               brightness-levels = <0 0 64 88 112 136 184 232 255>;
>> -               default-brightness-level = <4>;
>> -               enable-gpios = <&gpio6 16 GPIO_ACTIVE_HIGH>;
>> -               power-supply = <&reg_backlight>;
>> -       };
>> -
>> -       cec {
>> -               compatible = "cec-gpio";
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_hdmi_cec>;
>> -               cec-gpios = <&gpio2 7 GPIO_ACTIVE_HIGH>;
>> -               hdmi-phandle = <&hdmi>;
>> -       };
>> -
>> -       enet_ref: clock-enet-ref {
>> -               compatible = "fixed-clock";
>> -               #clock-cells = <0>;
>> -               clock-frequency = <50000000>;
>> -               clock-output-names = "enet-ref";
>> -       };
>> -
>> -       gpio-keys {
>> -               compatible = "gpio-keys";
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_gpio_keys>;
>> -
>> -               key-0 {
>> -                       gpios = <&gpio2 16 0>;
>> -                       debounce-interval = <10>;
>> -                       linux,code = <1>;
>> -               };
>> -
>> -               key-1 {
>> -                       gpios = <&gpio3 27 0>;
>> -                       debounce-interval = <10>;
>> -                       linux,code = <2>;
>> -               };
>> -
>> -               key-2 {
>> -                       gpios = <&gpio5 4 0>;
>> -                       debounce-interval = <10>;
>> -                       linux,code = <3>;
>> -               };
>> -       };
>> -
>> -       leds {
>> -               compatible = "gpio-leds";
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_gpio_leds>;
>> -
>> -               led-debug {
>> -                       label = "debug-led";
>> -                       gpios = <&gpio5 21 GPIO_ACTIVE_HIGH>;
>> -                       default-state = "off";
>> -                       linux,default-trigger = "heartbeat";
>> -               };
>> -       };
>> -
>> -       memory at 80000000 {
>> -               reg = <0x80000000 0x20000000>;
>> -               device_type = "memory";
>> -       };
>> -
>> -       osc_eth_phy: clock-osc-eth-phy {
>> -               compatible = "fixed-clock";
>> -               #clock-cells = <0>;
>> -               clock-frequency = <25000000>;
>> -               clock-output-names = "osc-eth-phy";
>> -       };
>> -
>> -       panel {
>> -               compatible = "lg,lb070wv8";
>> -               backlight = <&backlight>;
>> -               power-supply = <&reg_3v3>;
>> -
>> -               port {
>> -                       panel_in_lvds: endpoint {
>> -                               remote-endpoint = <&lvds_out>;
>> -                       };
>> -               };
>> -       };
>> -
>> -       reg_3v3: regulator-3v3 {
>> -               compatible = "regulator-fixed";
>> -               regulator-name = "3v3";
>> -               regulator-min-microvolt = <3300000>;
>> -               regulator-max-microvolt = <3300000>;
>> -       };
>> -
>> -       reg_backlight: regulator-backlight {
>> -               compatible = "regulator-fixed";
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_reg_backlight>;
>> -               enable-active-high;
>> -               gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>;
>> -               regulator-name = "backlight";
>> -               regulator-min-microvolt = <12000000>;
>> -               regulator-max-microvolt = <12000000>;
>> -       };
>> -
>> -       reg_usb_otg_vbus: regulator-usb-otg-vbus {
>> -               compatible = "regulator-fixed";
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_reg_usbotg_vbus>;
>> -               enable-active-high;
>> -               gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
>> -               regulator-name = "usb_otg_vbus";
>> -               regulator-min-microvolt = <5000000>;
>> -               regulator-max-microvolt = <5000000>;
>> -       };
>> -};
>> -
>> -&ecspi2 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_ecspi2>;
>> -       cs-gpios = <&gpio5 29 GPIO_ACTIVE_LOW>;
>> -       status = "okay";
>> -
>> -       flash at 0 {
>> -               compatible = "jedec,spi-nor";
>> -               reg = <0>;
>> -               spi-max-frequency = <20000000>;
>> -       };
>> -};
>> -
>> -&fec {
>> -       /*
>> -        * Set PTP clock to external instead of internal reference, as
>> the
>> -        * REF_CLK from the PHY is fed back into the i.MX6 and the GPR
>> -        * register needs to be set accordingly (see mach-imx6q.c).
>> -        */
>> -       clocks = <&clks IMX6QDL_CLK_ENET>,
>> -                <&clks IMX6QDL_CLK_ENET>,
>> -                <&enet_ref>,
>> -                <&clks IMX6QDL_CLK_ENET_REF>;
>> -       clock-names = "ipg", "ahb", "ptp", "enet_out";
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_enet>;
>> -       phy-connection-type = "rmii";
>> -       phy-handle = <&ethphy>;
>> -       status = "okay";
>> -
>> -       mdio {
>> -               #address-cells = <1>;
>> -               #size-cells = <0>;
>> -
>> -               ethphy: ethernet-phy at 1 {
>> -                       reg = <1>;
>> -                       clocks = <&osc_eth_phy>;
>> -                       clock-names = "rmii-ref";
>> -                       micrel,led-mode = <1>;
>> -                       reset-assert-us = <500>;
>> -                       reset-deassert-us = <100>;
>> -                       reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
>> -               };
>> -       };
>> -};
>> -
>> -&gpio1 {
>> -       gpio-line-names =
>> -               "", "", "", "", "", "", "", "",
>> -               "", "", "", "", "", "", "key-out", "key-in",
>> -               "", "", "", "", "", "", "", "",
>> -               "", "", "", "", "", "", "", "";
>> -};
>> -
>> -&gpio2 {
>> -       gpio-line-names =
>> -               "", "", "", "", "", "", "", "",
>> -               "lan9500a-rst", "", "", "", "", "", "", "",
>> -               "", "", "", "", "", "", "", "",
>> -               "", "", "", "", "", "", "", "";
>> -};
>> -
>> -&gpmi {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_gpmi_nand>;
>> -       status = "okay";
>> -};
>> -
>> -&hdmi {
>> -       ddc-i2c-bus = <&i2c4>;
>> -       status = "okay";
>> -};
>> -
>> -&i2c2 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_i2c2>;
>> -       clock-frequency = <100000>;
>> -       status = "okay";
>> -
>> -       rtc at 51 {
>> -               compatible = "nxp,pcf8563";
>> -               reg = <0x51>;
>> -       };
>> -};
>> -
>> -&i2c3 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_i2c3>;
>> -       clock-frequency = <100000>;
>> -       status = "okay";
>> -
>> -       touchscreen at 55 {
>> -               compatible = "sitronix,st1633";
>> -               reg = <0x55>;
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_touch>;
>> -               interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
>> -               interrupt-parent = <&gpio5>;
>> -               gpios = <&gpio1 2 GPIO_ACTIVE_LOW>;
>> -               status = "disabled";
>> -       };
>> -
>> -       touchscreen at 5d {
>> -               compatible = "goodix,gt928";
>> -               reg = <0x5d>;
>> -               pinctrl-names = "default";
>> -               pinctrl-0 = <&pinctrl_touch>;
>> -               interrupts = <18 IRQ_TYPE_LEVEL_LOW>;
>> -               interrupt-parent = <&gpio5>;
>> -               irq-gpios = <&gpio5 18 GPIO_ACTIVE_HIGH>;
>> -               reset-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
>> -               status = "disabled";
>> -       };
>> -};
>> -
>> -&i2c4 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_i2c4>;
>> -       clock-frequency = <100000>;
>> -       status = "okay";
>> -};
>> -
>> -&ldb {
>> -       status = "okay";
>> -
>> -       lvds: lvds-channel at 0 {
>> -               fsl,data-mapping = "spwg";
>> -               fsl,data-width = <24>;
>> -               status = "okay";
>> -
>> -               port at 4 {
>> -                       reg = <4>;
>> -
>> -                       lvds_out: endpoint {
>> -                               remote-endpoint = <&panel_in_lvds>;
>> -                       };
>> -               };
>> -       };
>> -};
>> -
>> -&pwm3 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_pwm3>;
>> -       status = "okay";
>> -};
>> -
>> -&uart1 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_uart1>;
>> -       status = "okay";
>> -};
>> -
>> -&uart2 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_uart2>;
>> -       status = "okay";
>> -};
>> -
>> -&uart3 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_uart3>;
>> -       status = "okay";
>> -};
>> -
>> -&usbh1 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_usbh1>;
>> -       disable-over-current;
>> -       status = "okay";
>> -
>> -       #address-cells = <1>;
>> -       #size-cells = <0>;
>> -
>> -       usb1 at 1 {
>> -               compatible = "usb4b4,6570";
>> -               reg = <1>;
>> -               clocks = <&clks IMX6QDL_CLK_CKO>;
>> -
>> -               assigned-clocks = <&clks IMX6QDL_CLK_CKO>,
>> -                                 <&clks IMX6QDL_CLK_CKO2_SEL>;
>> -               assigned-clock-parents = <&clks IMX6QDL_CLK_CKO2>,
>> -                                        <&clks IMX6QDL_CLK_OSC>;
>> -               assigned-clock-rates = <12000000 0>;
>> -       };
>> -};
>> -
>> -&usbotg {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_usbotg>;
>> -       dr_mode = "host";
>> -       over-current-active-low;
>> -       vbus-supply = <&reg_usb_otg_vbus>;
>> -       status = "okay";
>> -};
>> -
>> -&usdhc3 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_usdhc3>;
>> -       cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
>> -       vmmc-supply = <&reg_3v3>;
>> -       voltage-ranges = <3300 3300>;
>> -       no-1-8-v;
>> -       status = "okay";
>> -};
>> -
>> -&wdog1 {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_wdog>;
>> -       fsl,ext-reset-output;
>> -       status = "okay";
>> -};
>> -
>> -&iomuxc {
>> -       pinctrl-names = "default";
>> -       pinctrl-0 = <&pinctrl_hog>;
>> -
>> -       pinctrl_hog: hoggrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_RGMII_RD0__GPIO6_IO25       
>> 0x1b0b0 /* PMIC_IRQ */
>> -                       MX6QDL_PAD_SD2_DAT3__GPIO1_IO12         0x1b0b0
>> -                       MX6QDL_PAD_SD2_DAT1__GPIO1_IO14         0x1b0b0
>> -                       MX6QDL_PAD_SD2_DAT0__GPIO1_IO15         0x1b0b0
>> -                       MX6QDL_PAD_SD4_DAT0__GPIO2_IO08         0x1b0b0
>> -                       MX6QDL_PAD_EIM_D29__GPIO3_IO29          0x1b0b0
>> -               >;
>> -       };
>> -
>> -       pinctrl_backlight: backlightgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_NANDF_CS3__GPIO6_IO16        0x100b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_ecspi2: ecspi2grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_CSI0_DAT10__ECSPI2_MISO      0x100b1
>> -                       MX6QDL_PAD_CSI0_DAT9__ECSPI2_MOSI       0x100b1
>> -                       MX6QDL_PAD_CSI0_DAT8__ECSPI2_SCLK       0x100b1
>> -                       MX6QDL_PAD_CSI0_DAT11__GPIO5_IO29       0x100b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_enet: enetgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_ENET_MDIO__ENET_MDIO         0x1b0b0
>> -                       MX6QDL_PAD_ENET_MDC__ENET_MDC           0x1b0b0
>> -                       MX6QDL_PAD_ENET_RXD0__ENET_RX_DATA0     0x1b0b0
>> -                       MX6QDL_PAD_ENET_RXD1__ENET_RX_DATA1     0x1b0b0
>> -                       MX6QDL_PAD_ENET_CRS_DV__ENET_RX_EN      0x1b0b0
>> -                       MX6QDL_PAD_ENET_RX_ER__ENET_RX_ER       0x1b0b0
>> -                       MX6QDL_PAD_ENET_TXD0__ENET_TX_DATA0     0x1b0b0
>> -                       MX6QDL_PAD_ENET_TXD1__ENET_TX_DATA1     0x1b0b0
>> -                       MX6QDL_PAD_ENET_TX_EN__ENET_TX_EN       0x1b0b0
>> -                       MX6QDL_PAD_GPIO_16__ENET_REF_CLK       
>> 0x4001b0a8
>> -                       MX6QDL_PAD_EIM_A25__GPIO5_IO02          0x100b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_gpio_keys: gpiokeysgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_EIM_A22__GPIO2_IO16          0x1b080
>> -                       MX6QDL_PAD_EIM_D27__GPIO3_IO27          0x1b080
>> -                       MX6QDL_PAD_EIM_A24__GPIO5_IO04          0x1b080
>> -               >;
>> -       };
>> -
>> -       pinctrl_gpio_leds: gpioledsgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_CSI0_VSYNC__GPIO5_IO21       0x1b0b0
>> -               >;
>> -       };
>> -
>> -       pinctrl_gpmi_nand: gpminandgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_NANDF_CLE__NAND_CLE          0xb0b1
>> -                       MX6QDL_PAD_NANDF_ALE__NAND_ALE          0xb0b1
>> -                       MX6QDL_PAD_NANDF_WP_B__NAND_WP_B        0xb0b1
>> -                       MX6QDL_PAD_NANDF_RB0__NAND_READY_B      0xb000
>> -                       MX6QDL_PAD_NANDF_CS0__NAND_CE0_B        0xb0b1
>> -                       MX6QDL_PAD_SD4_CMD__NAND_RE_B           0xb0b1
>> -                       MX6QDL_PAD_SD4_CLK__NAND_WE_B           0xb0b1
>> -                       MX6QDL_PAD_NANDF_D0__NAND_DATA00        0xb0b1
>> -                       MX6QDL_PAD_NANDF_D1__NAND_DATA01        0xb0b1
>> -                       MX6QDL_PAD_NANDF_D2__NAND_DATA02        0xb0b1
>> -                       MX6QDL_PAD_NANDF_D3__NAND_DATA03        0xb0b1
>> -                       MX6QDL_PAD_NANDF_D4__NAND_DATA04        0xb0b1
>> -                       MX6QDL_PAD_NANDF_D5__NAND_DATA05        0xb0b1
>> -                       MX6QDL_PAD_NANDF_D6__NAND_DATA06        0xb0b1
>> -                       MX6QDL_PAD_NANDF_D7__NAND_DATA07        0xb0b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_hdmi_cec: hdmicecgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_EIM_A21__GPIO2_IO17          0x1b8b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_i2c2: i2c2grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_KEY_COL3__I2C2_SCL          
>> 0x4001b8b1
>> -                       MX6QDL_PAD_KEY_ROW3__I2C2_SDA          
>> 0x4001b8b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_i2c3: i2c3grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_GPIO_5__I2C3_SCL            
>> 0x4001f8b1
>> -                       MX6QDL_PAD_GPIO_6__I2C3_SDA            
>> 0x4001f8b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_i2c4: i2c4grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_GPIO_7__I2C4_SCL            
>> 0x4001b8b1
>> -                       MX6QDL_PAD_GPIO_8__I2C4_SDA            
>> 0x4001b8b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_pwm3: pwm3grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_SD4_DAT1__PWM3_OUT           0x1b0b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_reg_backlight: regbacklightgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_ENET_REF_CLK__GPIO1_IO23     0x1b0b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_reg_usbotg_vbus: regusbotgvbusgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_KEY_ROW4__GPIO4_IO15         0x1b0b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_touch: touchgrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_GPIO_2__GPIO1_IO02           0x1b0b0
>> -                       MX6QDL_PAD_CSI0_PIXCLK__GPIO5_IO18      0x1b0b0
>> -               >;
>> -       };
>> -
>> -       pinctrl_uart1: uart1grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_SD3_DAT7__UART1_TX_DATA      0x1b0b1
>> -                       MX6QDL_PAD_SD3_DAT6__UART1_RX_DATA      0x1b0b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_uart2: uart2grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA      0x1b0b1
>> -                       MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA      0x1b0b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_uart3: uart3grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_EIM_D24__UART3_TX_DATA       0x1b0b0
>> -                       MX6QDL_PAD_EIM_D25__UART3_RX_DATA       0x1b0b0
>> -               >;
>> -       };
>> -
>> -       pinctrl_usbh1: usbh1grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_GPIO_3__USB_H1_OC            0x1b0b1
>> -                       MX6QDL_PAD_CSI0_MCLK__CCM_CLKO1         0x1b0b0
>> -               >;
>> -       };
>> -
>> -       pinctrl_usbotg: usbotggrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_KEY_COL4__USB_OTG_OC         0x1b0b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_usdhc3: usdhc3grp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_SD3_CMD__SD3_CMD             0x17059
>> -                       MX6QDL_PAD_SD3_CLK__SD3_CLK             0x10059
>> -                       MX6QDL_PAD_SD3_DAT0__SD3_DATA0          0x17059
>> -                       MX6QDL_PAD_SD3_DAT1__SD3_DATA1          0x17059
>> -                       MX6QDL_PAD_SD3_DAT2__SD3_DATA2          0x17059
>> -                       MX6QDL_PAD_SD3_DAT3__SD3_DATA3          0x17059
>> -                       MX6QDL_PAD_GPIO_4__GPIO1_IO04           0x100b1
>> -               >;
>> -       };
>> -
>> -       pinctrl_wdog: wdoggrp {
>> -               fsl,pins = <
>> -                       MX6QDL_PAD_GPIO_9__WDOG1_B              0x1b0b0
>> -               >;
>> -       };
>> -};
>> diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/
>> Kconfig
>> index 465e258f8e4..0798eac68f5 100644
>> --- a/arch/arm/mach-imx/mx6/Kconfig
>> +++ b/arch/arm/mach-imx/mx6/Kconfig
>> @@ -366,6 +366,7 @@ config TARGET_MX6S_SIELAFF
>>          select DM_THERMAL
>>          select SUPPORT_SPL
>>          imply CMD_DM
>> +       imply OF_UPSTREAM
> 
> Why "imply" only here? It won't build without OF_UPSTREAM anymore no?
> Shouldn't it be "select" instead?

Good question. I wasn't sure about this, either. But "imply OF_UPSTREAM"
is used basically everywhere in the tree whereas "select OF_UPSTREAM" is
only used twice. That's why I assumed there must be some good reason to
use imply. Maybe that assumption was wrong, but I still wonder why
everyone uses this. If someone can explain, that would be appreciated.

Thanks
Frieder


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