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Message-ID: <20190614114433.GA24166@Mani-XPS-13-9360>
Date: Fri, 14 Jun 2019 17:14:33 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: shawnguo@...nel.org
Cc: s.hauer@...gutronix.de, robh+dt@...nel.org, festevam@...il.com,
kernel@...gutronix.de, linux-imx@....com,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, pbrobinson@...il.com,
yossi@...tech.com
Subject: Re: [PATCH v2 2/2] ARM: dts: Add support for 96Boards Meerkat96 board
Hi Shawn,
On Thu, Jun 13, 2019 at 06:57:05PM +0530, Manivannan Sadhasivam wrote:
> Add devicetree support for 96Boards Meerkat96 board from Novtech. This
> board is one of the Consumer Edition boards of the 96Boards family based
> on i.MX7D SoC. Following are the currently supported features of the
> board:
>
> * uSD
> * WiFi/BT
> * USB
>
> More information about this board can be found in 96Boards product page:
> https://www.96boards.org/product/imx7-96/
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/imx7d-meerkat96.dts | 389 ++++++++++++++++++++++++++
> 2 files changed, 390 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx7d-meerkat96.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index f4f5aeaf3298..3018a763dbd1 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -579,6 +579,7 @@ dtb-$(CONFIG_SOC_IMX7D) += \
> imx7d-cl-som-imx7.dtb \
> imx7d-colibri-emmc-eval-v3.dtb \
> imx7d-colibri-eval-v3.dtb \
> + imx7d-meerkat96.dtb \
> imx7d-nitrogen7.dtb \
> imx7d-pico-hobbit.dtb \
> imx7d-pico-pi.dtb \
> diff --git a/arch/arm/boot/dts/imx7d-meerkat96.dts b/arch/arm/boot/dts/imx7d-meerkat96.dts
> new file mode 100644
> index 000000000000..a86dc4878e44
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx7d-meerkat96.dts
> @@ -0,0 +1,389 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR MIT
> +/*
> + * Copyright (C) 2019 Linaro Ltd.
> + */
> +
> +/dts-v1/;
> +
> +#include "imx7d.dtsi"
> +
> +/ {
> + model = "96Boards Meerkat96 Board";
> + compatible = "novtech,imx7d-meerkat96", "fsl,imx7d";
> +
> + chosen {
> + stdout-path = &uart6;
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0x80000000 0x20000000>; /* 512MB */
> + };
> +
> + reg_wlreg_on: regulator-wlreg-on {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wlreg_on>;
> + regulator-name = "wlreg_on";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + startup-delay-us = <100>;
> + gpio = <&gpio6 15 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + regulator-always-on;
> + };
> +
> + reg_3p3v: regulator-3p3v {
> + compatible = "regulator-fixed";
> + regulator-name = "3P3V";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + };
> +
> + reg_usb_otg1_vbus: regulator-usb-otg1-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg1_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> + reg_usb_otg2_vbus: regulator-usb-otg2-vbus {
> + compatible = "regulator-fixed";
> + regulator-name = "usb_otg2_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + sw1a_reg: sw1a {
> + compatible = "regulator-fixed";
Actually I was wrong here. This is not a fixed regulator node as the voltage
level varies. Since there is no PMIC support exist now, can I remove this node?
Or I should make it as fixed 0.7v?
Thanks,
Mani
> + regulator-name = "sw1a_reg";
> + regulator-min-microvolt = <700000>;
> + regulator-max-microvolt = <1475000>;
> + regulator-boot-on;
> + regulator-always-on;
> + regulator-ramp-delay = <6250>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_leds>;
> +
> + led1 {
> + label = "green:user1";
> + gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "heartbeat";
> + default-state = "off";
> + };
> +
> + led2 {
> + label = "green:user2";
> + gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "mmc0";
> + default-state = "off";
> + };
> +
> + led3 {
> + label = "green:user3";
> + gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "mmc1";
> + default-state = "off";
> + };
> +
> + led4 {
> + label = "green:user4";
> + gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "none";
> + default-state = "off";
> + panic-indicator;
> + };
> +
> + led5 {
> + label = "yellow:wlan";
> + gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "phy0tx";
> + default-state = "off";
> + };
> +
> + led6 {
> + label = "blue:bt";
> + gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "bluetooth-power";
> + default-state = "off";
> + };
> + };
> +};
> +
> +&cpu0 {
> + cpu-supply = <&sw1a_reg>;
> +};
> +
> +&i2c1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +};
> +
> +&i2c2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + status = "okay";
> +};
> +
> +&i2c3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +};
> +
> +&i2c4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c4>;
> + status = "okay";
> +};
> +
> +&lcdif {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_lcdif>;
> + status = "okay";
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + assigned-clocks = <&clks IMX7D_UART1_ROOT_SRC>;
> + assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
> + status = "okay";
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + assigned-clocks = <&clks IMX7D_UART3_ROOT_SRC>;
> + assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
> + uart-has-rtscts;
> + status = "okay";
> +};
> +
> +&uart6 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart6>;
> + assigned-clocks = <&clks IMX7D_UART6_ROOT_SRC>;
> + assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
> + status = "okay";
> +};
> +
> +&uart7 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart7 &pinctrl_bt_gpios>;
> + assigned-clocks = <&clks IMX7D_UART7_ROOT_SRC>;
> + assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
> + uart-has-rtscts;
> + fsl,dte-mode;
> + status = "okay";
> +
> + bluetooth {
> + compatible = "brcm,bcm43438-bt";
> + device-wakeup-gpios = <&gpio6 13 GPIO_ACTIVE_HIGH>;
> + host-wakeup-gpios = <&gpio4 17 GPIO_ACTIVE_HIGH>;
> + };
> +};
> +
> +&usbotg1 {
> + vbus-supply = <®_usb_otg1_vbus>;
> + status = "okay";
> +};
> +
> +&usbotg2 {
> + vbus-supply = <®_usb_otg2_vbus>;
> + dr_mode = "host";
> + status = "okay";
> +};
> +
> +&usdhc1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc1>;
> + keep-power-in-suspend;
> + tuning-step = <2>;
> + vmmc-supply = <®_3p3v>;
> + no-1-8-v;
> + broken-cd;
> + status = "okay";
> +};
> +
> +&usdhc3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + bus-width = <4>;
> + no-1-8-v;
> + no-mmc;
> + non-removable;
> + keep-power-in-suspend;
> + wakeup-source;
> + vmmc-supply = <®_wlreg_on>;
> + vqmmc-supply =<®_3p3v>;
> + status = "okay";
> +
> + brcmf: wifi@1 {
> + reg = <1>;
> + compatible = "brcm,bcm4329-fmac";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wlan_irq>;
> + interrupt-parent = <&gpio6>;
> + interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "host-wake";
> + };
> +};
> +
> +&iomuxc {
> + pinctrl_bt_gpios: btgpiosgrp {
> + fsl,pins = <
> + MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13 0x59
> + MX7D_PAD_ECSPI1_MOSI__GPIO4_IO17 0x1f
> + >;
> + };
> +
> + pinctrl_gpio_leds: gpioledsgrp {
> + fsl,pins = <
> + MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0 0x59
> + MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x59
> + MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x59
> + MX7D_PAD_LPSR_GPIO1_IO06__GPIO1_IO6 0x59
> + MX7D_PAD_LPSR_GPIO1_IO07__GPIO1_IO7 0x59
> + MX7D_PAD_SD1_RESET_B__GPIO5_IO2 0x59
> + >;
> + };
> +
> + pinctrl_i2c1: i2c1grp {
> + fsl,pins = <
> + MX7D_PAD_I2C1_SDA__I2C1_SDA 0x4000007f
> + MX7D_PAD_I2C1_SCL__I2C1_SCL 0x4000007f
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX7D_PAD_I2C2_SDA__I2C2_SDA 0x4000007f
> + MX7D_PAD_I2C2_SCL__I2C2_SCL 0x4000007f
> + >;
> + };
> +
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX7D_PAD_ENET1_RGMII_RD1__I2C3_SDA 0x4000007f
> + MX7D_PAD_ENET1_RGMII_RD0__I2C3_SCL 0x4000007f
> + >;
> + };
> +
> + pinctrl_i2c4: i2c4grp {
> + fsl,pins = <
> + MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA 0x4000007f
> + MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL 0x4000007f
> + >;
> + };
> +
> + pinctrl_lcdif: lcdifgrp {
> + fsl,pins = <
> + MX7D_PAD_LCD_DATA00__LCD_DATA0 0x79
> + MX7D_PAD_LCD_DATA01__LCD_DATA1 0x79
> + MX7D_PAD_LCD_DATA02__LCD_DATA2 0x79
> + MX7D_PAD_LCD_DATA03__LCD_DATA3 0x79
> + MX7D_PAD_LCD_DATA04__LCD_DATA4 0x79
> + MX7D_PAD_LCD_DATA05__LCD_DATA5 0x79
> + MX7D_PAD_LCD_DATA06__LCD_DATA6 0x79
> + MX7D_PAD_LCD_DATA07__LCD_DATA7 0x79
> + MX7D_PAD_LCD_DATA08__LCD_DATA8 0x79
> + MX7D_PAD_LCD_DATA09__LCD_DATA9 0x79
> + MX7D_PAD_LCD_DATA10__LCD_DATA10 0x79
> + MX7D_PAD_LCD_DATA11__LCD_DATA11 0x79
> + MX7D_PAD_LCD_DATA12__LCD_DATA12 0x79
> + MX7D_PAD_LCD_DATA13__LCD_DATA13 0x79
> + MX7D_PAD_LCD_DATA14__LCD_DATA14 0x79
> + MX7D_PAD_LCD_DATA15__LCD_DATA15 0x79
> + MX7D_PAD_LCD_DATA16__LCD_DATA16 0x79
> + MX7D_PAD_LCD_DATA17__LCD_DATA17 0x79
> + MX7D_PAD_LCD_DATA18__LCD_DATA18 0x79
> + MX7D_PAD_LCD_DATA19__LCD_DATA19 0x79
> + MX7D_PAD_LCD_DATA20__LCD_DATA20 0x79
> + MX7D_PAD_LCD_DATA21__LCD_DATA21 0x79
> + MX7D_PAD_LCD_DATA22__LCD_DATA22 0x79
> + MX7D_PAD_LCD_DATA23__LCD_DATA23 0x79
> + MX7D_PAD_LCD_CLK__LCD_CLK 0x79
> + MX7D_PAD_LCD_ENABLE__LCD_ENABLE 0x79
> + MX7D_PAD_LCD_VSYNC__LCD_VSYNC 0x79
> + MX7D_PAD_LCD_HSYNC__LCD_HSYNC 0x79
> + MX7D_PAD_LCD_RESET__LCD_RESET 0x79
> + >;
> + };
> +
> + pinctrl_uart1: uart1grp {
> + fsl,pins = <
> + MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79
> + MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX 0x79
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX7D_PAD_SD3_DATA4__UART3_DCE_RX 0x79
> + MX7D_PAD_SD3_DATA5__UART3_DCE_TX 0x79
> + MX7D_PAD_SD3_DATA6__UART3_DCE_RTS 0x79
> + MX7D_PAD_SD3_DATA7__UART3_DCE_CTS 0x79
> + >;
> + };
> +
> + pinctrl_uart6: uart6grp {
> + fsl,pins = <
> + MX7D_PAD_SD1_CD_B__UART6_DCE_RX 0x79
> + MX7D_PAD_SD1_WP__UART6_DCE_TX 0x79
> + >;
> + };
> +
> + pinctrl_uart7: uart7grp {
> + fsl,pins = <
> + MX7D_PAD_ECSPI2_SCLK__UART7_DTE_TX 0x79
> + MX7D_PAD_ECSPI2_MOSI__UART7_DTE_RX 0x79
> + MX7D_PAD_ECSPI2_MISO__UART7_DTE_CTS 0x79
> + MX7D_PAD_ECSPI2_SS0__UART7_DTE_RTS 0x79
> + >;
> + };
> +
> + pinctrl_usdhc1: usdhc1grp {
> + fsl,pins = <
> + MX7D_PAD_SD1_CMD__SD1_CMD 0x59
> + MX7D_PAD_SD1_CLK__SD1_CLK 0x19
> + MX7D_PAD_SD1_DATA0__SD1_DATA0 0x59
> + MX7D_PAD_SD1_DATA1__SD1_DATA1 0x59
> + MX7D_PAD_SD1_DATA2__SD1_DATA2 0x59
> + MX7D_PAD_SD1_DATA3__SD1_DATA3 0x59
> + >;
> + };
> +
> + pinctrl_usdhc3: usdhc3grp {
> + fsl,pins = <
> + MX7D_PAD_SD3_CMD__SD3_CMD 0x59
> + MX7D_PAD_SD3_CLK__SD3_CLK 0x0D
> + MX7D_PAD_SD3_DATA0__SD3_DATA0 0x59
> + MX7D_PAD_SD3_DATA1__SD3_DATA1 0x59
> + MX7D_PAD_SD3_DATA2__SD3_DATA2 0x59
> + MX7D_PAD_SD3_DATA3__SD3_DATA3 0x59
> + >;
> + };
> +
> + pinctrl_wlan_irq: wlanirqgrp {
> + fsl,pins = <
> + MX7D_PAD_SAI1_TX_SYNC__GPIO6_IO14 0x19
> + >;
> + };
> +
> + pinctrl_wlreg_on: wlregongrp {
> + fsl,pins = <
> + MX7D_PAD_SAI1_TX_DATA__GPIO6_IO15 0x19
> + >;
> + };
> +};
> --
> 2.17.1
>
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