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Date: Sun, 26 Apr 2020 21:33:02 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Parthiban Nallathambi <parthiban@...umiz.com>
Cc: robh+dt@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
festevam@...il.com, linux-imx@....com, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM: dts: imx6ull: add MYiR MYS-6ULX SBC
On Wed, Apr 08, 2020 at 08:43:51PM +0200, Parthiban Nallathambi wrote:
> Add support for the MYiR imx6ULL based single board computer
> equipped with on board 256MB NAND & RAM. The board also
> provides expansion header for expansion board, but this
> commit adds only support for SBC.
>
> Signed-off-by: Parthiban Nallathambi <parthiban@...umiz.com>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx6ull-myir-mys-6ulx-nand.dts | 19 ++
> arch/arm/boot/dts/imx6ull-myir-mys-6ulx.dtsi | 247 +++++++++++++++++++++++
> 3 files changed, 267 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6ull-myir-mys-6ulx-nand.dts
> create mode 100644 arch/arm/boot/dts/imx6ull-myir-mys-6ulx.dtsi
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index e8dd99201397..eab86051d782 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -612,6 +612,7 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
> imx6ull-14x14-evk.dtb \
> imx6ull-colibri-eval-v3.dtb \
> imx6ull-colibri-wifi-eval-v3.dtb \
> + imx6ull-myir-mys-6ulx-nand.dtb \
> imx6ull-opos6uldev.dtb \
> imx6ull-phytec-segin-ff-rdk-nand.dtb \
> imx6ull-phytec-segin-ff-rdk-emmc.dtb \
> diff --git a/arch/arm/boot/dts/imx6ull-myir-mys-6ulx-nand.dts b/arch/arm/boot/dts/imx6ull-myir-mys-6ulx-nand.dts
> new file mode 100644
> index 000000000000..6eaba8a8d7a9
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6ull-myir-mys-6ulx-nand.dts
> @@ -0,0 +1,19 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2020 Linumiz
> + * Author: Parthiban Nallathambi <parthiban@...umiz.com>
> + */
> +
> +/dts-v1/;
> +#include "imx6ull.dtsi"
> +#include "imx6ull-myir-mys-6ulx.dtsi"
> +
> +/ {
> + model = "MYiR i.MX6ULL MYS-6ULX Single Board Computer with NAND";
> + compatible = "myir,imx6ul-mys-6ulx-nand", "myir,imx6ul-mys-6ulx",
> + "fsl,imx6ull";
Any new compatible needs to be documented.
> +};
> +
> +&gpmi {
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/imx6ull-myir-mys-6ulx.dtsi b/arch/arm/boot/dts/imx6ull-myir-mys-6ulx.dtsi
> new file mode 100644
> index 000000000000..f0a514187c21
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6ull-myir-mys-6ulx.dtsi
> @@ -0,0 +1,247 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2020 Linumiz
> + * Author: Parthiban Nallathambi <parthiban@...umiz.com>
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/pwm/pwm.h>
> +
> +/ {
> + model = "MYiR MYS-6ULX Single Board Computer";
> + compatible = "myir,imx6ull-mys-6ulx", "fsl,imx6ull";
> +
> + chosen {
> + stdout-path = &uart1;
> + };
> +
> + regulators: regulators {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <0>;
Drop the container node and put fixed regulator nodes directly under
root. Suggest to use name schema below:
regulator-xxx {
...
};
Shawn
> +
> + vdd_5v: regulator@0 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDD_5V";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + vdd_3v3: regulator@1 {
> + compatible = "regulator-fixed";
> + regulator-name = "VDD_3V3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + vin-supply = <&vdd_5v>;
> + };
> + };
> +};
> +
> +&fec1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet1>;
> + phy-mode = "rmii";
> + phy-handle = <ðphy0>;
> + phy-supply = <&vdd_3v3>;
> + status = "okay";
> +
> + mdio: mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy@0 {
> + reg = <0>;
> + compatible = "ethernet-phy-ieee802.3-c22";
> + interrupt-parent = <&gpio5>;
> + interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
> + clocks = <&clks IMX6UL_CLK_ENET_REF>;
> + clock-names = "rmii-ref";
> + status = "okay";
> + };
> + };
> +};
> +
> +&gpmi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpmi_nand>;
> + nand-on-flash-bbt;
> + status = "disabled";
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +&usbotg1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb_otg1_id>;
> + dr_mode = "otg";
> + status = "okay";
> +};
> +
> +&usbotg2 {
> + dr_mode = "host";
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usdhc1 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc1>;
> + pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> + cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
> + no-1-8-v;
> + keep-power-in-suspend;
> + wakeup-source;
> + vmmc-supply = <&vdd_3v3>;
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> + bus-width = <8>;
> + non-removable;
> + keep-power-in-suspend;
> + vmmc-supply = <&vdd_3v3>;
> + status = "disabled";
> +};
> +
> +&iomuxc {
> + pinctrl_enet1: enet1grp {
> + fsl,pins = <
> + MX6UL_PAD_GPIO1_IO06__ENET1_MDIO 0x1b0b0
> + MX6UL_PAD_GPIO1_IO07__ENET1_MDC 0x1b0b0
> + MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
> + MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
> + MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
> + MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
> + MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
> + MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
> + MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
> + MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031
> + MX6UL_PAD_SNVS_TAMPER5__GPIO5_IO05 0x1b0b0
> + >;
> + };
> +
> + pinctrl_gpmi_nand: gpminandgrp {
> + fsl,pins = <
> + MX6UL_PAD_NAND_CLE__RAWNAND_CLE 0x0b0b1
> + MX6UL_PAD_NAND_ALE__RAWNAND_ALE 0x0b0b1
> + MX6UL_PAD_NAND_WP_B__RAWNAND_WP_B 0x0b0b1
> + MX6UL_PAD_NAND_READY_B__RAWNAND_READY_B 0x0b000
> + MX6UL_PAD_NAND_CE0_B__RAWNAND_CE0_B 0x0b0b1
> + MX6UL_PAD_NAND_RE_B__RAWNAND_RE_B 0x0b0b1
> + MX6UL_PAD_NAND_WE_B__RAWNAND_WE_B 0x0b0b1
> + MX6UL_PAD_NAND_DATA00__RAWNAND_DATA00 0x0b0b1
> + MX6UL_PAD_NAND_DATA01__RAWNAND_DATA01 0x0b0b1
> + MX6UL_PAD_NAND_DATA02__RAWNAND_DATA02 0x0b0b1
> + MX6UL_PAD_NAND_DATA03__RAWNAND_DATA03 0x0b0b1
> + MX6UL_PAD_NAND_DATA04__RAWNAND_DATA04 0x0b0b1
> + MX6UL_PAD_NAND_DATA05__RAWNAND_DATA05 0x0b0b1
> + MX6UL_PAD_NAND_DATA06__RAWNAND_DATA06 0x0b0b1
> + MX6UL_PAD_NAND_DATA07__RAWNAND_DATA07 0x0b0b1
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX 0x1b0b1
> + MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX 0x1b0b1
> + >;
> + };
> +
> + pinctrl_usb_otg1_id: usbotg1idgrp {
> + fsl,pins = <
> + MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID 0x17059
> + >;
> + };
> +
> + 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 0x17059
> + >;
> + };
> +
> + pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
> + fsl,pins = <
> + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9
> + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9
> + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9
> + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9
> + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9
> + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170b9
> + >;
> + };
> +
> + pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
> + fsl,pins = <
> + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9
> + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9
> + MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170f9
> + MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170f9
> + MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170f9
> + MX6UL_PAD_SD1_DATA3__USDHC1_DATA3 0x170f9
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX6UL_PAD_NAND_RE_B__USDHC2_CLK 0x10069
> + 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
> + MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x17059
> + MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x17059
> + MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x17059
> + MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x17059
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2grp100mhz {
> + 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
> + MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170b9
> + MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170b9
> + MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170b9
> + MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170b9
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2grp200mhz {
> + 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
> + MX6UL_PAD_NAND_DATA04__USDHC2_DATA4 0x170f9
> + MX6UL_PAD_NAND_DATA05__USDHC2_DATA5 0x170f9
> + MX6UL_PAD_NAND_DATA06__USDHC2_DATA6 0x170f9
> + MX6UL_PAD_NAND_DATA07__USDHC2_DATA7 0x170f9
> + >;
> + };
> +};
> --
> 2.11.0
>
>
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