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Message-ID: <20191021103802.GC1934@pi3>
Date: Mon, 21 Oct 2019 12:38:02 +0200
From: "krzk@...nel.org" <krzk@...nel.org>
To: Schrempf Frieder <frieder.schrempf@...tron.de>
Cc: "robh+dt@...nel.org" <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 03/10] ARM: dts: imx6ul-kontron-n6310-s: Move common
nodes to a separate file
On Wed, Oct 16, 2019 at 03:07:25PM +0000, Schrempf Frieder wrote:
> From: Frieder Schrempf <frieder.schrempf@...tron.de>
>
> The baseboard for the Kontron N6310 SoM is also used for other SoMs
> such as N6311 and N6411. In order to share the code, we move the
> definitions of the baseboard to a separate dtsi file.
>
> Signed-off-by: Frieder Schrempf <frieder.schrempf@...tron.de>
> ---
> arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts | 405 +----------------
> arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi | 412 ++++++++++++++++++
> 2 files changed, 413 insertions(+), 404 deletions(-)
> create mode 100644 arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
>
> diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts b/arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts
> index 0205fd56d975..5a3e06d6219b 100644
> --- a/arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts
> +++ b/arch/arm/boot/dts/imx6ul-kontron-n6310-s.dts
> @@ -8,413 +8,10 @@
> /dts-v1/;
>
> #include "imx6ul-kontron-n6310-som.dtsi"
> +#include "imx6ul-kontron-n6x1x-s.dtsi"
>
> / {
> model = "Kontron N6310 S";
> compatible = "kontron,imx6ul-n6310-s", "kontron,imx6ul-n6310-som",
> "fsl,imx6ul";
> -
> - gpio-leds {
> - compatible = "gpio-leds";
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_gpio_leds>;
> -
> - led1 {
> - label = "debug-led1";
> - gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
> - default-state = "off";
> - linux,default-trigger = "heartbeat";
> - };
> -
> - led2 {
> - label = "debug-led2";
> - gpios = <&gpio5 3 GPIO_ACTIVE_LOW>;
> - default-state = "off";
> - };
> -
> - led3 {
> - label = "debug-led3";
> - gpios = <&gpio5 2 GPIO_ACTIVE_LOW>;
> - default-state = "off";
> - };
> - };
> -
> - pwm-beeper {
> - compatible = "pwm-beeper";
> - pwms = <&pwm8 0 5000>;
> - };
> -
> - reg_3v3: regulator-3v3 {
> - compatible = "regulator-fixed";
> - regulator-name = "3v3";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - };
> -
> - reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
> - compatible = "regulator-fixed";
> - regulator-name = "usb_otg1_vbus";
> - regulator-min-microvolt = <5000000>;
> - regulator-max-microvolt = <5000000>;
> - gpio = <&gpio1 4 GPIO_ACTIVE_HIGH>;
> - enable-active-high;
> - };
> -
> - reg_vref_adc: regulator-vref-adc {
> - compatible = "regulator-fixed";
> - regulator-name = "vref-adc";
> - regulator-min-microvolt = <3300000>;
> - regulator-max-microvolt = <3300000>;
> - };
> -};
> -
> -&adc1 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_adc1>;
> - num-channels = <3>;
> - vref-supply = <®_vref_adc>;
> - status = "okay";
> -};
> -
> -&can2 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_flexcan2>;
> - status = "okay";
> -};
> -
> -&ecspi1 {
> - cs-gpios = <&gpio4 26 GPIO_ACTIVE_HIGH>;
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_ecspi1>;
> - status = "okay";
> -
> - eeprom@0 {
> - compatible = "anvo,anv32e61w", "atmel,at25";
> - reg = <0>;
> - spi-max-frequency = <20000000>;
> - spi-cpha;
> - spi-cpol;
> - pagesize = <1>;
> - size = <8192>;
> - address-width = <16>;
> - };
> -};
> -
> -&fec1 {
> - pinctrl-0 = <&pinctrl_enet1>;
> - /delete-node/ mdio;
> -};
> -
> -&fec2 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_enet2 &pinctrl_enet2_mdio>;
> - phy-mode = "rmii";
> - phy-handle = <ðphy2>;
> - status = "okay";
> -
> - mdio {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - ethphy1: ethernet-phy@1 {
> - reg = <1>;
> - micrel,led-mode = <0>;
> - clocks = <&clks IMX6UL_CLK_ENET_REF>;
> - clock-names = "rmii-ref";
> - };
> -
> - ethphy2: ethernet-phy@2 {
> - reg = <2>;
> - micrel,led-mode = <0>;
> - clocks = <&clks IMX6UL_CLK_ENET2_REF>;
> - clock-names = "rmii-ref";
> - };
> - };
> -};
> -
> -&i2c1 {
> - clock-frequency = <100000>;
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_i2c1>;
> - status = "okay";
> -};
> -
> -&i2c4 {
> - clock-frequency = <100000>;
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_i2c4>;
> - status = "okay";
> -
> - rtc@32 {
> - compatible = "epson,rx8900";
> - reg = <0x32>;
> - };
> -};
> -
> -&pwm8 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_pwm8>;
> - status = "okay";
> -};
> -
> -&snvs_poweroff {
> - status = "okay";
> -};
> -
> -&uart1 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_uart1>;
> - status = "okay";
> -};
> -
> -&uart2 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_uart2>;
> - linux,rs485-enabled-at-boot-time;
> - rs485-rx-during-tx;
> - rs485-rts-active-low;
> - uart-has-rtscts;
> - status = "okay";
> -};
> -
> -&uart3 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_uart3>;
> - fsl,uart-has-rtscts;
> - status = "okay";
> -};
> -
> -&uart4 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_uart4>;
> - status = "okay";
> -};
> -
> -&usbotg1 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_usbotg1>;
> - dr_mode = "otg";
> - srp-disable;
> - hnp-disable;
> - adp-disable;
> - vbus-supply = <®_usb_otg1_vbus>;
> - status = "okay";
> -};
> -
> -&usbotg2 {
> - dr_mode = "host";
> - disable-over-current;
> - status = "okay";
> -};
> -
> -&usdhc1 {
> - pinctrl-names = "default";
> - pinctrl-0 = <&pinctrl_usdhc1>;
> - cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
> - keep-power-in-suspend;
> - wakeup-source;
> - vmmc-supply = <®_3v3>;
> - voltage-ranges = <3300 3300>;
> - no-1-8-v;
> - status = "okay";
> -};
> -
> -&usdhc2 {
> - pinctrl-names = "default", "state_100mhz", "state_200mhz";
> - pinctrl-0 = <&pinctrl_usdhc2>;
> - pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> - pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> - non-removable;
> - keep-power-in-suspend;
> - wakeup-source;
> - vmmc-supply = <®_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-0 = <&pinctrl_reset_out &pinctrl_gpio>;
> -
> - pinctrl_adc1: adc1grp {
> - fsl,pins = <
> - MX6UL_PAD_GPIO1_IO02__GPIO1_IO02 0xb0
> - MX6UL_PAD_GPIO1_IO03__GPIO1_IO03 0xb0
> - MX6UL_PAD_GPIO1_IO08__GPIO1_IO08 0xb0
> - >;
> - };
> -
> - /* FRAM */
> - pinctrl_ecspi1: ecspi1grp {
> - fsl,pins = <
> - MX6UL_PAD_CSI_DATA07__ECSPI1_MISO 0x100b1
> - MX6UL_PAD_CSI_DATA06__ECSPI1_MOSI 0x100b1
> - MX6UL_PAD_CSI_DATA04__ECSPI1_SCLK 0x100b1
> - MX6UL_PAD_CSI_DATA05__GPIO4_IO26 0x100b1 /* ECSPI1-CS1 */
> - >;
> - };
> -
> - pinctrl_enet2: enet2grp {
> - fsl,pins = <
> - MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN 0x1b0b0
> - MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER 0x1b0b0
> - MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00 0x1b0b0
> - MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01 0x1b0b0
> - MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN 0x1b0b0
> - MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00 0x1b0b0
> - MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01 0x1b0b0
> - MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 0x4001b009
> - >;
> - };
> -
> - pinctrl_enet2_mdio: enet2mdiogrp {
> - fsl,pins = <
> - MX6UL_PAD_GPIO1_IO07__ENET2_MDC 0x1b0b0
> - MX6UL_PAD_GPIO1_IO06__ENET2_MDIO 0x1b0b0
> - >;
> - };
> -
> - pinctrl_flexcan2: flexcan2grp{
> - fsl,pins = <
> - MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX 0x1b020
> - MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX 0x1b020
> - >;
> - };
> -
> - pinctrl_gpio: gpiogrp {
> - fsl,pins = <
> - MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05 0x1b0b0 /* DOUT1 */
> - MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04 0x1b0b0 /* DIN1 */
> - MX6UL_PAD_SNVS_TAMPER1__GPIO5_IO01 0x1b0b0 /* DOUT2 */
> - MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00 0x1b0b0 /* DIN2 */
> - >;
> - };
> -
> - pinctrl_gpio_leds: gpioledsgrp {
> - fsl,pins = <
> - MX6UL_PAD_UART5_TX_DATA__GPIO1_IO30 0x1b0b0 /* LED H14 */
> - MX6UL_PAD_SNVS_TAMPER3__GPIO5_IO03 0x1b0b0 /* LED H15 */
> - MX6UL_PAD_SNVS_TAMPER2__GPIO5_IO02 0x1b0b0 /* LED H16 */
> - >;
> - };
> -
> - pinctrl_i2c1: i2c1grp {
> - fsl,pins = <
> - MX6UL_PAD_CSI_PIXCLK__I2C1_SCL 0x4001b8b0
> - MX6UL_PAD_CSI_MCLK__I2C1_SDA 0x4001b8b0
> - >;
> - };
> -
> - pinctrl_i2c4: i2c4grp {
> - fsl,pins = <
> - MX6UL_PAD_UART2_TX_DATA__I2C4_SCL 0x4001f8b0
> - MX6UL_PAD_UART2_RX_DATA__I2C4_SDA 0x4001f8b0
> - >;
> - };
> -
> - pinctrl_pwm8: pwm8grp {
> - fsl,pins = <
> - MX6UL_PAD_CSI_HSYNC__PWM8_OUT 0x110b0
> - >;
> - };
> -
> - pinctrl_uart1: uart1grp {
> - fsl,pins = <
> - MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
> - MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
> - >;
> - };
> -
> - pinctrl_uart2: uart2grp {
> - fsl,pins = <
> - MX6UL_PAD_NAND_DATA04__UART2_DCE_TX 0x1b0b1
> - MX6UL_PAD_NAND_DATA05__UART2_DCE_RX 0x1b0b1
> - MX6UL_PAD_NAND_DATA06__UART2_DCE_CTS 0x1b0b1
> - /*
> - * mux unused RTS to make sure it doesn't cause
> - * any interrupts when it is undefined
> - */
> - MX6UL_PAD_NAND_DATA07__UART2_DCE_RTS 0x1b0b1
> - >;
> - };
> -
> - pinctrl_uart3: uart3grp {
> - fsl,pins = <
> - MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX 0x1b0b1
> - MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX 0x1b0b1
> - MX6UL_PAD_UART3_CTS_B__UART3_DCE_CTS 0x1b0b1
> - MX6UL_PAD_UART3_RTS_B__UART3_DCE_RTS 0x1b0b1
> - >;
> - };
> -
> - pinctrl_uart4: uart4grp {
> - fsl,pins = <
> - MX6UL_PAD_UART4_TX_DATA__UART4_DCE_TX 0x1b0b1
> - MX6UL_PAD_UART4_RX_DATA__UART4_DCE_RX 0x1b0b1
> - >;
> - };
> -
> - pinctrl_usbotg1: usbotg1 {
> - fsl,pins = <
> - MX6UL_PAD_GPIO1_IO04__GPIO1_IO04 0x1b0b0
> - >;
> - };
> -
> - pinctrl_usdhc1: usdhc1grp {
> - fsl,pins = <
> - MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059
> - MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10059
> - MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059
> - MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059
> - MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059
> - MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x17059
> - MX6UL_PAD_UART1_RTS_B__GPIO1_IO19 0x100b1 /* SD1_CD */
> - >;
> - };
> -
> - pinctrl_usdhc2: usdhc2grp {
> - fsl,pins = <
> - MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x10059
> - MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x17059
> - MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x17059
> - MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x17059
> - MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x17059
> - MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x17059
> - >;
> - };
> -
> - pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
> - fsl,pins = <
> - MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100b9
> - MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170b9
> - MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170b9
> - MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170b9
> - MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170b9
> - MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170b9
> - >;
> - };
> -
> - pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
> - fsl,pins = <
> - MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x100f9
> - MX6UL_PAD_NAND_WE_B__USDHC2_CMD 0x170f9
> - MX6UL_PAD_NAND_DATA00__USDHC2_DATA0 0x170f9
> - MX6UL_PAD_NAND_DATA01__USDHC2_DATA1 0x170f9
> - MX6UL_PAD_NAND_DATA02__USDHC2_DATA2 0x170f9
> - MX6UL_PAD_NAND_DATA03__USDHC2_DATA3 0x170f9
> - >;
> - };
> -
> - pinctrl_wdog: wdoggrp {
> - fsl,pins = <
> - MX6UL_PAD_GPIO1_IO09__WDOG1_WDOG_ANY 0x30b0
> - >;
> - };
> };
> diff --git a/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
> new file mode 100644
> index 000000000000..08a326ce2cbe
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6ul-kontron-n6x1x-s.dtsi
> @@ -0,0 +1,412 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2017 exceet electronics GmbH
> + * Copyright (C) 2018 Kontron Electronics GmbH
> + * Copyright (c) 2019 Krzysztof Kozlowski <krzk@...nel.org>
> + */
> +
This file does not include anything else but uses defines (GPIO flags,
clocks, pins). Usually sources should not rely on inclusions coming from
unrelated files so here you should include necessary headers. In case of
future refactorings or reuse one might not know which defines you wanted
to use (in other platforms for example there might be multiple defines
in multiple header files with same name).
Best regards,
Krzysztof
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