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Message-ID: <3cfed170-ea23-e92f-e10e-e3b5c6e96008@linumiz.com>
Date:   Mon, 1 Jun 2020 16:54:15 +0200
From:   Parthiban <parthiban@...umiz.com>
To:     Shawn Guo <shawnguo@...nel.org>
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,
        Parthiban <parthiban@...umiz.com>
Subject: Re: [PATCH] ARM: dts: imx6ull: add MYiR MYS-6ULX SBC



On 4/26/20 3:33 PM, Shawn Guo wrote:
> 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.

Sure, thanks.

> 
>> +};
>> +
>> +&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 {
> 		...
> 	};

Fixed in v2. thanks

> 
> 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 = <&ethphy0>;
>> +	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
>>
>>
>> _______________________________________________
>> linux-arm-kernel mailing list
>> linux-arm-kernel@...ts.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

-- 
Thanks,
Parthiban N
+4915163761545

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