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Message-ID: <CAJ+vNU2e8Qe_XzzHt2Wm8ts91MvoDb_b=ie=5NbOtVJewCw3cw@mail.gmail.com>
Date: Wed, 19 Jul 2023 08:49:32 -0700
From: Tim Harvey <tharvey@...eworks.com>
To: Shawn Guo <shawnguo@...nel.org>
Cc: Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-kernel@...ts.infradead.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 v2 2/2] arm64: dts: freescale: Add imx8mm-venice-gw7905-0x
On Fri, Jun 9, 2023 at 10:41 AM Tim Harvey <tharvey@...eworks.com> wrote:
>
> The Gateworks imx8mm-venice-gw7905-0x consists of a SOM + baseboard.
>
> The GW700x SOM contains the following:
> - i.MX8M Mini SoC
> - LPDDR4 memory
> - eMMC Boot device
> - Gateworks System Controller (GSC) with integrated EEPROM, button
> controller, and ADC's
> - PMIC
> - SOM connector providing:
> - FEC GbE MII
> - 1x SPI
> - 2x I2C
> - 4x UART
> - 2x USB 2.0
> - 1x PCI
> - 1x SDIO (4-bit 3.3V)
> - 1x SDIO (4-bit 3.3V/1.8V)
> - GPIO
>
> The GW7905 Baseboard contains the following:
> - GPS
> - microSD
> - off-board I/O connector with I2C, SPI, GPIO
> - EERPOM
> - PCIe clock generator
> - 1x full-length miniPCIe socket with PCI/USB3 (via mux) and USB2.0
> - 1x half-length miniPCIe socket with USB2.0 and USB3.0
> - USB 3.0 HUB
> - USB Type-C with USB PD Sink capability and peripheral support
> - USB Type-C with USB 3.0 host support
>
> Signed-off-by: Tim Harvey <tharvey@...eworks.com>
> ---
> v2 - no changes
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../dts/freescale/imx8mm-venice-gw7905-0x.dts | 28 ++
> .../dts/freescale/imx8mm-venice-gw7905.dtsi | 303 ++++++++++++++++++
> 3 files changed, 332 insertions(+)
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905-0x.dts
> create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905.dtsi
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index d94d464db03e..f13faf043d48 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -73,6 +73,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7901.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7902.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7903.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7904.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mm-venice-gw7905-0x.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-dahlia.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-dev.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-verdin-nonwifi-yavia.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905-0x.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905-0x.dts
> new file mode 100644
> index 000000000000..914753f062cd
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905-0x.dts
> @@ -0,0 +1,28 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023 Gateworks Corporation
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mm.dtsi"
> +#include "imx8mm-venice-gw700x.dtsi"
> +#include "imx8mm-venice-gw7905.dtsi"
> +
> +/ {
> + model = "Gateworks Venice GW7905-0x i.MX8MM Development Kit";
> + compatible = "gateworks,imx8mm-gw7905-0x", "fsl,imx8mm";
> +
> + chosen {
> + stdout-path = &uart2;
> + };
> +};
> +
> +/* Disable SOM interfaces not used on baseboard */
> +&fec1 {
> + status = "disabled";
> +};
> +
> +&usdhc1 {
> + status = "disabled";
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905.dtsi
> new file mode 100644
> index 000000000000..9646eb9e4928
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7905.dtsi
> @@ -0,0 +1,303 @@
> +// 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 0 GPIO_ACTIVE_HIGH>;
> + default-state = "on";
> + linux,default-trigger = "heartbeat";
> + };
> +
> + led-1 {
> + function = LED_FUNCTION_STATUS;
> + color = <LED_COLOR_ID_RED>;
> + gpios = <&gpio4 2 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> + };
> +
> + pcie0_refclk: pcie0-refclk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <100000000>;
> + };
> +
> + pps {
> + compatible = "pps-gpio";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pps>;
> + gpios = <&gpio4 5 GPIO_ACTIVE_HIGH>;
> + status = "okay";
> + };
> +
> + reg_usb2_vbus: regulator-usb2-vbus {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usb2_en>;
> + compatible = "regulator-fixed";
> + regulator-name = "usb2_vbus";
> + gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
> + compatible = "regulator-fixed";
> + regulator-name = "SD2_3P3V";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +};
> +
> +/* off-board header */
> +&ecspi2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_spi2>;
> + cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> +
> +&gpio1 {
> + gpio-line-names =
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "gpioa", "gpiob", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "";
> +};
> +
> +&gpio4 {
> + gpio-line-names =
> + "", "", "", "pci_usb_sel",
> + "", "", "", "pci_wdis#",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "";
> +};
> +
> +&gpio5 {
> + gpio-line-names =
> + "", "", "", "",
> + "gpioc", "gpiod", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "",
> + "", "", "", "";
> +};
> +
> +&i2c2 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +
> + eeprom@52 {
> + compatible = "atmel,24c32";
> + reg = <0x52>;
> + pagesize = <32>;
> + };
> +};
> +
> +/* off-board header */
> +&i2c3 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +};
> +
> +&pcie_phy {
> + fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
> + fsl,clkreq-unsupported;
> + clocks = <&pcie0_refclk>;
> + clock-names = "ref";
> + status = "okay";
> +};
> +
> +&pcie0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pcie0>;
> + reset-gpio = <&gpio4 6 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +};
> +
> +/* GPS */
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +/* USB1 - Type C front panel SINK port J14 */
> +&usbotg1 {
> + dr_mode = "peripheral";
> + status = "okay";
> +};
> +
> +/* USB2 4-port USB3.0 HUB:
> + * P1 - USBC connector (host only)
> + * P2 - USB2 test connector
> + * P3 - miniPCIe full card
> + * P4 - miniPCIe half card
> + */
> +&usbotg2 {
> + dr_mode = "host";
> + vbus-supply = <®_usb2_vbus>;
> + status = "okay";
> +};
> +
> +/* microSD */
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
> + cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
> + vmmc-supply = <®_usdhc2_vmmc>;
> + bus-width = <4>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_hog>;
> +
> + pinctrl_hog: hoggrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_GPIO1_IO13_GPIO1_IO13 0x40000040 /* GPIOA */
> + MX8MM_IOMUXC_GPIO1_IO14_GPIO1_IO14 0x40000040 /* GPIOB */
> + MX8MM_IOMUXC_SAI1_RXD1_GPIO4_IO3 0x40000106 /* PCI_USBSEL */
> + MX8MM_IOMUXC_SAI1_RXD5_GPIO4_IO7 0x40000106 /* PCIE_WDIS# */
> + MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x40000040 /* GPIOD */
> + MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4 0x40000040 /* GPIOC */
> + >;
> + };
> +
> + pinctrl_gpio_leds: gpioledgrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SAI1_RXFS_GPIO4_IO0 0x6 /* LEDG */
> + MX8MM_IOMUXC_SAI1_RXD0_GPIO4_IO2 0x6 /* LEDR */
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c2
> + MX8MM_IOMUXC_I2C2_SDA_I2C2_SDA 0x400001c2
> + >;
> + };
> +
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c2
> + MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c2
> + >;
> + };
> +
> + pinctrl_pcie0: pciegrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SAI1_RXD4_GPIO4_IO6 0x106
> + >;
> + };
> +
> + pinctrl_pps: ppsgrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SAI1_RXD3_GPIO4_IO5 0x106
> + >;
> + };
> +
> + pinctrl_reg_usb2_en: regusb2grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_GPIO1_IO08_GPIO1_IO8 0x6 /* USBHUB_RST# (ext p/u) */
> + >;
> + };
> +
> + pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x40
> + >;
> + };
> +
> + pinctrl_spi2: spi2grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK 0x140
> + MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI 0x140
> + MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO 0x140
> + MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13 0x140
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140
> + MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX 0x140
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
> + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0
> + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
> + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
> + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
> + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
> + MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0xc0
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x194
> + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
> + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
> + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
> + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
> + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
> + MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0xc0
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x196
> + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6
> + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
> + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
> + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
> + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
> + MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0xc0
> + >;
> + };
> +
> + pinctrl_usdhc2_gpio: usdhc2gpiogrp {
> + fsl,pins = <
> + MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x1c4
> + >;
> + };
> +};
> --
> 2.25.1
>
Hi Shawn,
I'm not sure if you missed this one or if you had some rework that you wanted?
Best regards,
Tim
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