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Message-ID: <20230717002717.GI9559@dragon>
Date: Mon, 17 Jul 2023 08:27:17 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Tim Harvey <tharvey@...eworks.com>
Cc: linux-arm-kernel@...ts.infradead.org,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...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, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: freescale: Add imx8mp-venice-gw71xx-2x
On Wed, Jun 07, 2023 at 10:07:24AM -0700, Tim Harvey wrote:
> The Gateworks imx8mp-venice-gw71xx-2x consists of a SOM + baseboard.
>
> The GW702x SOM contains the following:
> - i.MX8M Plus SoC
> - LPDDR4 memory
> - eMMC Boot device
> - Gateworks System Controller (GSC) with integrated EEPROM, button
> controller, and ADC's
> - PMIC
> - SOM connector providing:
> - eQoS GbE MII
> - 1x SPI
> - 2x I2C
> - 4x UART
> - 2x USB 3.0
> - 1x PCI
> - 1x SDIO (4-bit 3.3V)
> - 1x SDIO (4-bit 3.3V/1.8V)
> - GPIO
>
> The GW71xx Baseboard contains the following:
> - GPS
> - RJ45 GbE (eQoS)
> - off-board I/O connector with UART, I2C, SPI, GPIO
> - EERPOM
> - PCIe clock generator
> - full-length miniPCIe socket with PCI/USB3 (via mux) and USB2.0
> - USB Type-C with USB 2.0 host and peripheral support
> - Wide range DC input supply
>
> Signed-off-by: Tim Harvey <tharvey@...eworks.com>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../dts/freescale/imx8mp-venice-gw71xx-2x.dts | 19 ++
> .../dts/freescale/imx8mp-venice-gw71xx.dtsi | 236 ++++++++++++++++++
> 3 files changed, 256 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx-2x.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 62f22b77b38b..b3bb823d0168 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -101,6 +101,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-icore-mx8mp-edimm2.2.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-msc-sm2s-ep1.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-phyboard-pollux-rdk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw71xx-2x.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw74xx.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw7905-2x.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-dahlia.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx-2x.dts b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx-2x.dts
> new file mode 100644
> index 000000000000..53120fc9cd7f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx-2x.dts
> @@ -0,0 +1,19 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023 Gateworks Corporation
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mp.dtsi"
> +#include "imx8mp-venice-gw702x.dtsi"
> +#include "imx8mp-venice-gw71xx.dtsi"
> +
> +/ {
> + model = "Gateworks Venice GW71xx-2x i.MX8MP Development Kit";
> + compatible = "gateworks,imx8mp-gw71xx-2x", "fsl,imx8mp";
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi
> new file mode 100644
> index 000000000000..86999f52d4b2
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-venice-gw71xx.dtsi
> @@ -0,0 +1,236 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023 Gateworks Corporation
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/phy/phy-imx8-pcie.h>
> +
> +/ {
> + led-controller {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_leds>;
> +
> + led-0 {
> + function = LED_FUNCTION_STATUS;
> + color = <LED_COLOR_ID_GREEN>;
> + gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + linux,default-trigger = "heartbeat";
> + };
> +
> + led-1 {
> + function = LED_FUNCTION_STATUS;
> + color = <LED_COLOR_ID_RED>;
> + gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> + };
> +
> + pcie0_refclk: pcie0-refclk {
Can we name the node clock-xxx?
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <100000000>;
> + };
> +
> + pps {
> + compatible = "pps-gpio";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pps>;
> + gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> + };
> +};
> +
> +/* off-board header */
> +&ecspi2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_spi2>;
> + cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> +
> +&gpio4 {
> + gpio-line-names =
> + "", "", "", "",
> + "", "", "", "",
> + "dio1", "", "", "dio0",
> + "", "", "pci_usb_sel", "",
> + "", "", "", "",
> + "", "", "", "",
> + "dio3", "", "dio2", "",
> + "pci_wdis#", "", "", "";
> +};
> +
> +&i2c2 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +
> + accelerometer@19 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_accel>;
> + compatible = "st,lis2de12";
> + reg = <0x19>;
Can we start the property list from these two?
> + st,drdy-int-pin = <1>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-names = "INT1";
> + };
> +};
> +
> +&pcie_phy {
> + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
> + fsl,clkreq-unsupported;
> + clocks = <&pcie0_refclk>;
> + clock-names = "ref";
> + status = "okay";
> +};
> +
> +&pcie {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pcie0>;
> + reset-gpio = <&gpio4 29 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> +
> +/* GPS */
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +/* off-board header */
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + status = "okay";
> +};
> +
> +/* USB1 Type-C front panel */
> +&usb3_0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb1>;
> + fsl,over-current-active-low;
> + status = "okay";
> +};
> +
> +&usb3_phy0 {
> + status = "okay";
> +};
> +
> +&usb_dwc3_0 {
> + /* dual role is implemented but not a full featured OTG */
> + adp-disable;
> + hnp-disable;
> + srp-disable;
> + dr_mode = "otg";
> + usb-role-switch;
> + role-switch-default-mode = "peripheral";
> + status = "okay";
> +
> + connector {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usbcon1>;
> + compatible = "gpio-usb-b-connector", "usb-b-connector";
Start the properties from 'compatible'?
Shawn
> + type = "micro";
> + label = "Type-C";
> + id-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>;
> + };
> +};
> +
> +/* USB2 - MiniPCIe socket */
> +&usb3_1 {
> + fsl,permanently-attached;
> + fsl,disable-port-power-control;
> + status = "okay";
> +};
> +
> +&usb3_phy1 {
> + status = "okay";
> +};
> +
> +&usb_dwc3_1 {
> + dr_mode = "host";
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
> +
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI1_RXD6__GPIO4_IO08 0x40000146 /* DIO1 */
> + MX8MP_IOMUXC_SAI1_TXC__GPIO4_IO11 0x40000146 /* DIO0 */
> + MX8MP_IOMUXC_SAI1_TXD2__GPIO4_IO14 0x40000106 /* PCIE_USBSEL */
> + MX8MP_IOMUXC_SAI2_TXD0__GPIO4_IO26 0x40000146 /* DIO2 */
> + MX8MP_IOMUXC_SAI2_TXFS__GPIO4_IO24 0x40000146 /* DIO3 */
> + MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28 0x40000106 /* PCIE_WDIS# */
> + >;
> + };
> +
> + pinctrl_accel: accelgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI2_RXFS__GPIO4_IO21 0x150 /* IRQ */
> + >;
> + };
> +
> + pinctrl_gpio_leds: gpioledgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI1_RXC__GPIO4_IO01 0x6 /* LEDG */
> + MX8MP_IOMUXC_SAI1_RXD3__GPIO4_IO05 0x6 /* LEDR */
> + >;
> + };
> +
> + pinctrl_pcie0: pcie0grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI3_RXC__GPIO4_IO29 0x106
> + >;
> + };
> +
> + pinctrl_pps: ppsgrp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03 0x146
> + >;
> + };
> +
> + pinctrl_usb1: usb1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_GPIO1_IO13__USB1_OTG_OC 0x140 /* USB1_FLT# */
> + >;
> + };
> +
> + pinctrl_usbcon1: usbcon1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x140 /* USB1_ID */
> + >;
> + };
> +
> + pinctrl_spi2: spi2grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_ECSPI2_SCLK__ECSPI2_SCLK 0x140
> + MX8MP_IOMUXC_ECSPI2_MOSI__ECSPI2_MOSI 0x140
> + MX8MP_IOMUXC_ECSPI2_MISO__ECSPI2_MISO 0x140
> + MX8MP_IOMUXC_ECSPI2_SS0__GPIO5_IO13 0x140
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x140
> + MX8MP_IOMUXC_UART1_TXD__UART1_DCE_TX 0x140
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_UART3_RXD__UART3_DCE_RX 0x140
> + MX8MP_IOMUXC_UART3_TXD__UART3_DCE_TX 0x140
> + >;
> + };
> +};
> --
> 2.25.1
>
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