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Message-ID: <20201106193153.GB328543@kozik-lap>
Date: Fri, 6 Nov 2020 20:31:53 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Adam Ford <aford173@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org, aford@...conembedded.com,
Rob Herring <robh+dt@...nel.org>,
Shawn Guo <shawnguo@...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>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Li Yang <leoyang.li@....com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH V2 2/3] arm64: dts: imx: Add Beacon i.MX8M Nano
development kit
On Fri, Nov 06, 2020 at 06:12:36AM -0600, Adam Ford wrote:
> Beacon Embeddedworks is launching a development kit based on the
> i.MX8M Nano SoC. The kit consists of a System on Module (SOM)
> + baseboard. The SOM has the SoC, eMMC, and Ethernet. The baseboard
> has an wm8962 audio CODEC, a PDM microphone, and a single USB OTG.
>
> The baseboard is capable of two different, mutually exclusive video
> outputs, so the common items are in the baseboard file. When
> the video becomes available, LVDS output will be added to this kit
> file, and a second kit file will be added to support HDMI.
>
> Signed-off-by: Adam Ford <aford173@...il.com>
> ---
> Based on: https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=374643
>
> V2: Fix issues noted from Krzysztof Kozlowski.
> Set Bluetooth UART speed
> Add supply and reset gpio to FEC
>
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../freescale/imx8mn-beacon-baseboard.dtsi | 307 +++++++++++++
> .../boot/dts/freescale/imx8mn-beacon-kit.dts | 19 +
> .../boot/dts/freescale/imx8mn-beacon-som.dtsi | 433 ++++++++++++++++++
> 4 files changed, 760 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 876bf484bbe6..589290bbbbd6 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -34,6 +34,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-ddr4-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-kontron-n801x-s.dts
> dtb-$(CONFIG_ARCH_MXC) += imx8mm-var-som-symphony.dtb
> +dtb-$(CONFIG_ARCH_MXC) += imx8mn-beacon-kit.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb
> dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
> new file mode 100644
> index 000000000000..376ca8ff7213
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-baseboard.dtsi
> @@ -0,0 +1,307 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright 2020 Compass Electronics Group, LLC
> + */
> +
> +/ {
> + leds {
> + compatible = "gpio-leds";
> +
> + led-0 {
> + label = "gen_led0";
> + gpios = <&pca6416_1 4 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + led-1 {
> + label = "gen_led1";
> + gpios = <&pca6416_1 5 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + led-2 {
> + label = "gen_led2";
> + gpios = <&pca6416_1 6 GPIO_ACTIVE_HIGH>;
> + default-state = "off";
> + };
> +
> + led-3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_led3>;
> + label = "heartbeat";
> + gpios = <&gpio4 28 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + };
> + };
> +
> + reg_audio: regulator-audio {
> + compatible = "regulator-fixed";
> + regulator-name = "3v3_aud";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&pca6416_1 11 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + reg_usdhc2_vmmc: regulator-usdhc2 {
> + compatible = "regulator-fixed";
> + regulator-name = "vsd_3v3";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + gpio = <&gpio2 19 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + reg_usb_otg_vbus: regulator-usb {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_reg_usb_otg>;
> + regulator-name = "usb_otg_vbus";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + sound {
> + compatible = "fsl,imx-audio-wm8962";
> + model = "wm8962-audio";
> + audio-cpu = <&sai3>;
> + audio-codec = <&wm8962>;
> + audio-routing =
> + "Headphone Jack", "HPOUTL",
> + "Headphone Jack", "HPOUTR",
> + "Ext Spk", "SPKOUTL",
> + "Ext Spk", "SPKOUTR",
> + "AMIC", "MICBIAS",
> + "IN3R", "AMIC";
> + };
> +};
> +
> +&ecspi2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_espi2>;
> + cs-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
> + status = "okay";
> +
> + eeprom@0 {
> + compatible = "microchip,at25160bn", "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <5000000>;
> + spi-cpha;
> + spi-cpol;
> + pagesize = <32>;
> + size = <2048>;
> + address-width = <16>;
> + };
> +};
> +
> +&i2c4 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c4>;
> + status = "okay";
> +
> + pca6416_0: gpio@20 {
> + compatible = "nxp,pcal6416";
> + reg = <0x20>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pcal6414>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
> + };
> +
> + pca6416_1: gpio@21 {
> + compatible = "nxp,pcal6416";
> + reg = <0x21>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
> + };
> +
> + wm8962: audio-codec@1a {
> + compatible = "wlf,wm8962";
> + reg = <0x1a>;
> + clocks = <&clk IMX8MN_CLK_SAI3_ROOT>;
> + clock-names = "xclk";
> + DCVDD-supply = <®_audio>;
> + DBVDD-supply = <®_audio>;
> + AVDD-supply = <®_audio>;
> + CPVDD-supply = <®_audio>;
> + MICVDD-supply = <®_audio>;
> + PLLVDD-supply = <®_audio>;
> + SPKVDD1-supply = <®_audio>;
> + SPKVDD2-supply = <®_audio>;
> + gpio-cfg = <
> + 0x0000 /* 0:Default */
> + 0x0000 /* 1:Default */
> + 0x0000 /* 2:FN_DMICCLK */
> + 0x0000 /* 3:Default */
> + 0x0000 /* 4:FN_DMICCDAT */
> + 0x0000 /* 5:Default */
> + >;
> + };
> +};
> +
> +&easrc {
> + fsl,asrc-rate = <48000>;
> + status = "okay";
> +};
> +
> +&sai3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sai3>;
> + assigned-clocks = <&clk IMX8MN_CLK_SAI3>;
> + assigned-clock-parents = <&clk IMX8MN_AUDIO_PLL1_OUT>;
> + assigned-clock-rates = <24576000>;
> + fsl,sai-mclk-direction-output;
> + status = "okay";
> +};
> +
> +&snvs_pwrkey {
> + status = "okay";
> +};
> +
> +&uart2 { /* console */
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart2>;
> + status = "okay";
> +};
> +
> +&uart3 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart3>;
> + assigned-clocks = <&clk IMX8MN_CLK_UART3>;
> + assigned-clock-parents = <&clk IMX8MN_SYS_PLL1_80M>;
> + status = "okay";
> +};
> +
> +&usbotg1 {
> + vbus-supply = <®_usb_otg_vbus>;
> + disable-over-current;
> + dr_mode="otg";
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz";
> + pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> + bus-width = <4>;
> + vmmc-supply = <®_usdhc2_vmmc>;
> + status = "okay";
> +};
> +
> +&iomuxc {
> + pinctrl_espi2: espi2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK 0x82
> + MX8MN_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI 0x82
> + MX8MN_IOMUXC_ECSPI2_MISO_ECSPI2_MISO 0x82
> + MX8MN_IOMUXC_ECSPI1_SS0_GPIO5_IO9 0x41
> + >;
> + };
> +
> + pinctrl_i2c2: i2c2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3
> + MX8MN_IOMUXC_I2C2_SDA_I2C2_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_i2c4: i2c4grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_I2C4_SCL_I2C4_SCL 0x400001c3
> + MX8MN_IOMUXC_I2C4_SDA_I2C4_SDA 0x400001c3
> + >;
> + };
> +
> + pinctrl_led3: led3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SAI3_RXFS_GPIO4_IO28 0x41
> + >;
> + };
> +
> + pinctrl_pcal6414: pcal6414-gpiogrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x19
> + >;
> + };
> +
> + pinctrl_reg_usb_otg: reg-otggrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19
> + >;
> + };
> +
> + pinctrl_sai3: sai3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC 0xd6
> + MX8MN_IOMUXC_SAI3_TXC_SAI3_TX_BCLK 0xd6
> + MX8MN_IOMUXC_SAI3_MCLK_SAI3_MCLK 0xd6
> + MX8MN_IOMUXC_SAI3_TXD_SAI3_TX_DATA0 0xd6
> + MX8MN_IOMUXC_SAI3_RXD_SAI3_RX_DATA0 0xd6
> + >;
> + };
> +
> + pinctrl_uart2: uart2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_UART2_RXD_UART2_DCE_RX 0x140
> + MX8MN_IOMUXC_UART2_TXD_UART2_DCE_TX 0x140
> + >;
> + };
> +
> + pinctrl_uart3: uart3grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_ECSPI1_SCLK_UART3_DCE_RX 0x40
> + MX8MN_IOMUXC_ECSPI1_MOSI_UART3_DCE_TX 0x40
> + >;
> + };
> +
> + pinctrl_usdhc2_gpio: usdhc2gpiogrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CD_B_USDHC2_CD_B 0x41
> + MX8MN_IOMUXC_SD2_RESET_B_GPIO2_IO19 0x41
> + >;
> + };
> +
> + pinctrl_usdhc2: usdhc2grp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d0
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d0
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d0
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d0
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d0
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> + >;
> + };
> +
> + pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x194
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> + >;
> + };
> +
> + pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
> + fsl,pins = <
> + MX8MN_IOMUXC_SD2_CLK_USDHC2_CLK 0x196
> + MX8MN_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6
> + MX8MN_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6
> + MX8MN_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6
> + MX8MN_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6
> + MX8MN_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6
> + MX8MN_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x1d0
> + >;
> + };
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts
> new file mode 100644
> index 000000000000..faa55d888065
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mn-beacon-kit.dts
> @@ -0,0 +1,19 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright 2020 Compass Electronics Group, LLC
> + */
> +
> +/dts-v1/;
> +
> +#include "imx8mn.dtsi"
> +#include "imx8mn-beacon-som.dtsi"
> +#include "imx8mn-beacon-baseboard.dtsi"
> +
> +/ {
> + model = "Beacon EmbeddedWorks i.MX8M Mini Development Kit";
s/Mini/Nano/
With the change:
Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Best regards,
Krzysztof
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