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Date: Sun, 23 May 2021 10:25:35 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: dillon.minfei@...il.com
Cc: festevam@...il.com, s.riedmueller@...tec.de,
matthias.schiffer@...tq-group.com, leoyang.li@....com,
arnd@...db.de, olof@...om.net, s.hauer@...gutronix.de,
kernel@...gutronix.de, prabhakar.csengg@...il.com,
mchehab@...nel.org, mchehab+huawei@...nel.org,
krzysztof.kozlowski@...onical.com, krzk@...nel.org,
robh+dt@...nel.org, linux@...pel-privat.de,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-imx@....com,
linux-media@...r.kernel.org
Subject: Re: [PATCH v5 3/4] arm: dts: imx: Add i.mx6q DaSheng COM-9XX SBC
board support
On Tue, May 04, 2021 at 01:09:52PM +0800, dillon.minfei@...il.com wrote:
> From: Dillon Min <dillon.minfei@...il.com>
>
> The DaSheng Com-9xx is and ARM based signle board computer (SBC)
> featuring:
> - i.MX6Q
> - 2GiB LPDDR3 DRAM
> - 8GiB eMMC 5.0 FLASH
> - 4MiB SPI Flash
> - USB 2.0 Host/Device
> - Multiple multi-protocol RS232/RS485 Serial ports
> - microSD socket
> - 5V DC power input
> - HDMI1.4a,1080p@60
> - RGMIIx1 Gigabit Ethernet
> - CSI0x1, connect with ov2659
>
> Signed-off-by: Dillon Min <dillon.minfei@...il.com>
Idiomatically we use 'ARM: dts: ...' for arch/arm DTS patch prefix.
> ---
>
> v5:
> - no code change, just change my git author name from lower case to higher case
>
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx6q-ds.dts | 17 ++
> arch/arm/boot/dts/imx6qdl-ds.dtsi | 460 ++++++++++++++++++++++++++++++++++++++
> 3 files changed, 478 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6q-ds.dts
> create mode 100644 arch/arm/boot/dts/imx6qdl-ds.dtsi
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index a19c5ab9df84..425fe17ef7c1 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -510,6 +510,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> imx6q-display5-tianma-tm070-1280x768.dtb \
> imx6q-dmo-edmqmx6.dtb \
> imx6q-dms-ba16.dtb \
> + imx6q-ds.dtb \
> imx6q-emcon-avari.dtb \
> imx6q-evi.dtb \
> imx6q-gk802.dtb \
> diff --git a/arch/arm/boot/dts/imx6q-ds.dts b/arch/arm/boot/dts/imx6q-ds.dts
> new file mode 100644
> index 000000000000..b0a63a133977
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-ds.dts
> @@ -0,0 +1,17 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +//
> +// Copyright 2021 Dillon Min <dillon.minfei@...il.com>
> +//
> +// Based on imx6qdl-sabresd.dtsi which is:
> +// Copyright 2012 Freescale Semiconductor, Inc.
> +// Copyright 2011 Linaro Ltd.
> +
> +/dts-v1/;
> +
> +#include "imx6q.dtsi"
> +#include "imx6qdl-ds.dtsi"
> +
> +/ {
> + model = "DaSheng i.MX6 Quad Com-9xx Board";
> + compatible = "ds,imx6q-sbc", "fsl,imx6q";
> +};
> diff --git a/arch/arm/boot/dts/imx6qdl-ds.dtsi b/arch/arm/boot/dts/imx6qdl-ds.dtsi
> new file mode 100644
> index 000000000000..a2069caf4ea7
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6qdl-ds.dtsi
> @@ -0,0 +1,460 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +//
> +// Copyright 2021 Dillon Min <dillon.minfei@...il.com>
> +//
> +// Based on imx6qdl-sabresd.dtsi which is:
> +// Copyright 2012 Freescale Semiconductor, Inc.
> +// Copyright 2011 Linaro Ltd.
> +
> +#include <dt-bindings/clock/imx6qdl-clock.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> + chosen {
> + stdout-path = &uart4;
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0x10000000 0x80000000>;
> + };
> +
> + reg_usb_otg_vbus: regulator-usb-otg-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + };
> +
> + reg_usb_h1_vbus: regulator-usb-h1-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_h1_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
always-on is meaningless for fixed regulators that do not have on/off
control.
I fixed them up and applied the patch.
Shawn
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_leds>;
> +
> + led-0 {
> + gpios = <&gpio4 8 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +};
> +
> +&ipu1_csi0_from_ipu1_csi0_mux {
> + bus-width = <8>;
> + data-shift = <12>; /* Lines 19:12 used */
> + hsync-active = <1>;
> + vsync-active = <1>;
> +};
> +
> +&ipu1_csi0_mux_from_parallel_sensor {
> + remote-endpoint = <&ov2659_to_ipu1_csi0_mux>;
> +};
> +
> +&ipu1_csi0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ipu1_csi0>;
> + status = "okay";
> +};
> +
> +&ecspi1 {
> + cs-gpios = <&gpio4 9 GPIO_ACTIVE_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi1>, <&pinctrl_ecspi1_gpio>;
> + status = "okay";
> +
> + m25p80: flash@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "st,m25p80", "jedec,spi-nor";
> + spi-max-frequency = <20000000>;
> + reg = <0>;
> + };
> +};
> +
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet>;
> + phy-mode = "rgmii-id";
> + phy-handle = <&phy>;
> + fsl,magic-packet;
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + phy: ethernet-phy@1 {
> + reg = <1>;
> + qca,clk-out-frequency = <125000000>;
> + reset-gpios = <&gpio4 10 GPIO_ACTIVE_LOW>;
> + reset-assert-us = <10000>;
> + };
> + };
> +};
> +
> +&hdmi {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hdmi_cec>;
> + ddc-i2c-bus = <&i2c3>;
> + status = "okay";
> +};
> +
> +&i2c2 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +
> + pfuze100: pmic@8 {
> + compatible = "fsl,pfuze100";
> + reg = <0x08>;
> +
> + regulators {
> + sw1a_reg: sw1ab {
> + regulator-min-microvolt = <300000>;
> + regulator-max-microvolt = <1875000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <6250>;
> + };
> +
> + sw1c_reg: sw1c {
> + regulator-min-microvolt = <300000>;
> + regulator-max-microvolt = <1875000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <6250>;
> + };
> +
> + sw2_reg: sw2 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <6250>;
> + };
> +
> + sw3a_reg: sw3a {
> + regulator-min-microvolt = <400000>;
> + regulator-max-microvolt = <1975000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + sw3b_reg: sw3b {
> + regulator-min-microvolt = <400000>;
> + regulator-max-microvolt = <1975000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + sw4_reg: sw4 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + swbst_reg: swbst {
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5150000>;
> + };
> +
> + snvs_reg: vsnvs {
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vref_reg: vrefddr {
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + vgen1_reg: vgen1 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1550000>;
> + };
> +
> + vgen2_reg: vgen2 {
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1550000>;
> + };
> +
> + vgen3_reg: vgen3 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + };
> +
> + vgen4_reg: vgen4 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vgen5_reg: vgen5 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + vgen6_reg: vgen6 {
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> +
> +&i2c3 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +
> + ov2659: camera@30 {
> + compatible = "ovti,ov2659";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ov2659>;
> + clocks = <&clks IMX6QDL_CLK_CKO>;
> + clock-names = "xvclk";
> + reg = <0x30>;
> + powerdown-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>;
> + reset-gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +
> + port {
> + ov2659_to_ipu1_csi0_mux: endpoint {
> + remote-endpoint = <&ipu1_csi0_mux_from_parallel_sensor>;
> + link-frequencies = /bits/ 64 <70000000>;
> + bus-width = <8>;
> + hsync-active = <1>;
> + vsync-active = <1>;
> + };
> + };
> + };
> +};
> +
> +&iomuxc {
> + pinctrl_ecspi1: ecspi1grp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_D16__ECSPI1_SCLK 0x100b1
> + MX6QDL_PAD_EIM_D18__ECSPI1_MOSI 0x100b1
> + MX6QDL_PAD_EIM_D17__ECSPI1_MISO 0x100b1
> + >;
> + };
> +
> + pinctrl_ecspi1_gpio: ecspi1grpgpiogrp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_ROW1__GPIO4_IO09 0x1b0b0
> + MX6QDL_PAD_ENET_RXD0__GPIO1_IO27 0x1b0b0
> + >;
> + };
> +
> + pinctrl_enet: enetgrp {
> + fsl,pins = <
> + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0
> + MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0
> + MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b030
> + MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b030
> + MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b030
> + MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b030
> + MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b030
> + MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b030
> + MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0
> + MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030
> + MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b030
> + MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b030
> + MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030
> + MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030
> + MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b030
> + MX6QDL_PAD_KEY_COL2__GPIO4_IO10 0x1b0b0
> + >;
> + };
> +
> + pinctrl_hdmi_cec: hdmicecgrp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_A25__HDMI_TX_CEC_LINE 0x1f8b0
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX6QDL_PAD_EIM_EB2__I2C2_SCL 0x4001b8b1
> + MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
> + >;
> + };
> +
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
> + MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
> + >;
> + };
> +
> + pinctrl_ipu1_csi0: ipu1csi0grp {
> + fsl,pins = <
> + MX6QDL_PAD_CSI0_DAT12__IPU1_CSI0_DATA12 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT13__IPU1_CSI0_DATA13 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT14__IPU1_CSI0_DATA14 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT15__IPU1_CSI0_DATA15 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT16__IPU1_CSI0_DATA16 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT17__IPU1_CSI0_DATA17 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT18__IPU1_CSI0_DATA18 0x1b0b0
> + MX6QDL_PAD_CSI0_DAT19__IPU1_CSI0_DATA19 0x1b0b0
> + MX6QDL_PAD_CSI0_PIXCLK__IPU1_CSI0_PIXCLK 0x1b0b0
> + MX6QDL_PAD_CSI0_MCLK__IPU1_CSI0_HSYNC 0x1b0b0
> + MX6QDL_PAD_CSI0_VSYNC__IPU1_CSI0_VSYNC 0x1b0b0
> + >;
> + };
> +
> + pinctrl_ov2659: ov2659grp {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_16__GPIO7_IO11 0x1b0b0
> + MX6QDL_PAD_GPIO_7__GPIO1_IO07 0x1b0b0
> + MX6QDL_PAD_GPIO_0__CCM_CLKO1 0x130b0
> + >;
> + };
> +
> + pinctrl_uart4: uart4grp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
> + MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
> + >;
> + };
> +
> + pinctrl_usbotg: usbotggrp {
> + fsl,pins = <
> + MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x17059
> + >;
> + };
> +
> + pinctrl_usdhc1: usdhc1grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059
> + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059
> + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
> + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
> + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
> + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
> + >;
> + };
> +
> + pinctrl_usdhc1_gpio: usdhc1grpgpiogrp {
> + fsl,pins = <
> + MX6QDL_PAD_ENET_TX_EN__GPIO1_IO28 0x1b0b0
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059
> + MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059
> + MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059
> + MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059
> + MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059
> + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059
> + >;
> + };
> +
> + pinctrl_usdhc2_gpio: usdhc2grpgpiogrp {
> + fsl,pins = <
> + MX6QDL_PAD_NANDF_D0__GPIO2_IO00 0x1b0b0
> + MX6QDL_PAD_NANDF_D1__GPIO2_IO01 0x1b0b0
> + >;
> + };
> +
> + 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_SD3_DAT4__SD3_DATA4 0x17059
> + MX6QDL_PAD_SD3_DAT5__SD3_DATA5 0x17059
> + MX6QDL_PAD_SD3_DAT6__SD3_DATA6 0x17059
> + MX6QDL_PAD_SD3_DAT7__SD3_DATA7 0x17059
> + >;
> + };
> +
> + pinctrl_wdog: wdoggrp {
> + fsl,pins = <
> + MX6QDL_PAD_GPIO_1__WDOG2_B 0x1b0b0
> + >;
> + };
> +
> + pinctrl_gpio_leds: gpioledsgrp {
> + fsl,pins = <
> + MX6QDL_PAD_KEY_COL1__GPIO4_IO08 0x1b0b0
> + >;
> + };
> +};
> +
> +&uart4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart4>;
> + status = "okay";
> +};
> +
> +&usbh1 {
> + vbus-supply = <®_usb_h1_vbus>;
> + status = "okay";
> +};
> +
> +&usbotg {
> + vbus-supply = <®_usb_otg_vbus>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbotg>;
> + disable-over-current;
> + status = "okay";
> +};
> +
> +&usdhc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_usdhc1_gpio>;
> + bus-width = <4>;
> + cd-gpios = <&gpio1 28 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> + bus-width = <4>;
> + cd-gpios = <&gpio2 0 GPIO_ACTIVE_LOW>;
> + wp-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
> + status = "disabled";
> +};
> +
> +&usdhc3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + bus-width = <8>;
> + non-removable;
> + no-1-8-v;
> + status = "okay";
> +};
> +
> +&wdog1 {
> + status = "disabled";
> +};
> +
> +&wdog2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wdog>;
> + fsl,ext-reset-output;
> + status = "okay";
> +};
> --
> 1.9.1
>
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