Re: [PATCH v5 3/4] arm: dts: imx: Add i.mx6q DaSheng COM-9XX SBC board support

From: Dillon Min
Date: Sat May 22 2021 - 22:35:39 EST


Hi Shawn,

Thanks for the reply.

On Sun, May 23, 2021 at 10:25 AM Shawn Guo <shawnguo@xxxxxxxxxx> wrote:
>
> On Tue, May 04, 2021 at 01:09:52PM +0800, dillon.minfei@xxxxxxxxx wrote:
> > From: Dillon Min <dillon.minfei@xxxxxxxxx>
> >
> > 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@xxxxxxxxx>
>
> Idiomatically we use 'ARM: dts: ...' for arch/arm DTS patch prefix.

Okay, i will follow this rule in my next submission. thanks.

>
> > ---
> >
> > 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@xxxxxxxxx>
> > +//
> > +// 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@xxxxxxxxx>
> > +//
> > +// 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@10000000 {
> > + 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.

Thanks for point it.

>
> I fixed them up and applied the patch.

Thanks.

>
> 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 = <&reg_usb_h1_vbus>;
> > + status = "okay";
> > +};
> > +
> > +&usbotg {
> > + vbus-supply = <&reg_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
> >