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SubjectRe: [PATCH v6 3/4] ARM: dts: Add support for emtrion emCON-MX6 series
On Fri, Aug 24, 2018 at 03:26:13PM +0200, Jan Tuerk wrote:
> This patch adds support for the emtrion GmbH emCON-MX6 modules.
> They are available with imx.6 Solo, Dual-Lite, Dual and Quad
> equipped with Memory from 512MB to 2GB (configured by U-Boot).
>
> Our default developer-Kit ships with the Avari baseboard and the
> EDT ETM0700G0BDH6 Display (imx6[q|dl]-emcon-avari).
>
> The devicetree is split into the common part providing all module
> components and the basic support for all SoC versions
> (imx6qdl-emcon.dtsi) and parts which are i.mx6 S|DL and D|Q relevant.
> Finally the support for the avari baseboard in the developer-kit
> configuration is provided by the emcon-avari dts files.
>
> Signed-off-by: Jan Tuerk <jan.tuerk@emtrion.com>
> ---
> arch/arm/boot/dts/Makefile | 2 +
> arch/arm/boot/dts/imx6dl-emcon-avari.dts | 14 +
> arch/arm/boot/dts/imx6q-emcon-avari.dts | 14 +
> arch/arm/boot/dts/imx6qdl-emcon-avari.dtsi | 177 +++++
> arch/arm/boot/dts/imx6qdl-emcon.dtsi | 832 +++++++++++++++++++++
> 5 files changed, 1039 insertions(+)
> create mode 100644 arch/arm/boot/dts/imx6dl-emcon-avari.dts
> create mode 100644 arch/arm/boot/dts/imx6q-emcon-avari.dts
> create mode 100644 arch/arm/boot/dts/imx6qdl-emcon-avari.dtsi
> create mode 100644 arch/arm/boot/dts/imx6qdl-emcon.dtsi
>
> Changes in v6:
> - none (PATCH 4/4 - fix typo)
>
> Changes for v5:
> - rename boardID -> boardid.
> - remove Author info.
> - rename regulators from reg_xxx to reg-xxx.
> - delete mx6q/mx6dl specific camera pinmux and the corresponding file.
> - delete defaults in hoggrp.
> - rename parallel-display to display and panel to lcd.
> - rename rtc label to ds1307.
> - add alias for rtc0 pointing to ds1307.
> - move memory and stdout from the baseboard to the module description.
> - reviewed the pinmux names for more consitent nameing.
> => pin-groups -> postfix grp (..audmux -> audmuxgrp)
> => single-pin -> non-postfix (..emcon_gpio1)
> - rename label wdt to watchdog
> - coding-style
> -> remove end of file new-lines
> -> clean-up new-lines between nodes
> -> re-align brightness values for the backlights.
>
> Unchanged in v5:
> - pinctrl for emcon_gpio0..8, emcon_irqa..c, etc. => they're used
> with different functions for different (customer) baseboards. Having
> them in a single pinctrl it could only be referenced in a single
> entity.
> - keep "unused" pinctrls in the module-description. They're matching
> the connector spec and are intended to be defined for upcoming or
> customer baseboards without defining them again and again.
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index b5bd3de87c33..f7d1a2bd28ef 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -394,6 +394,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> imx6dl-cubox-i-emmc-som-v15.dtb \
> imx6dl-cubox-i-som-v15.dtb \
> imx6dl-dfi-fs700-m60.dtb \
> + imx6dl-emcon-avari.dtb \
> imx6dl-gw51xx.dtb \
> imx6dl-gw52xx.dtb \
> imx6dl-gw53xx.dtb \
> @@ -458,6 +459,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
> imx6q-display5-tianma-tm070-1280x768.dtb \
> imx6q-dmo-edmqmx6.dtb \
> imx6q-dms-ba16.dtb \
> + imx6q-emcon-avari.dtb \
> imx6q-evi.dtb \
> imx6q-gk802.dtb \
> imx6q-gw51xx.dtb \
> diff --git a/arch/arm/boot/dts/imx6dl-emcon-avari.dts b/arch/arm/boot/dts/imx6dl-emcon-avari.dts
> new file mode 100644
> index 000000000000..46eb7c2c7344
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6dl-emcon-avari.dts
> @@ -0,0 +1,14 @@
> +// SPDX-License-Identifier: (GPL-2.0 or MIT)
> +/*
> + * Copyright (C) 2018 emtrion GmbH
> + */
> +
> +/dts-v1/;
> +#include "imx6dl.dtsi"
> +#include "imx6qdl-emcon.dtsi"
> +#include "imx6qdl-emcon-avari.dtsi"
> +
> +/ {
> + model = "emtrion SoM emCON-MX6 Solo/Dual-Lite Avari";
> + compatible = "emtrion,emcon-mx6-avari", "fsl,imx6dl";
> +};
> diff --git a/arch/arm/boot/dts/imx6q-emcon-avari.dts b/arch/arm/boot/dts/imx6q-emcon-avari.dts
> new file mode 100644
> index 000000000000..fe719e0f8cae
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6q-emcon-avari.dts
> @@ -0,0 +1,14 @@
> +// SPDX-License-Identifier: (GPL-2.0 or MIT)
> +/*
> + * Copyright (C) 2018 emtrion GmbH
> + */
> +
> +/dts-v1/;
> +#include "imx6q.dtsi"
> +#include "imx6qdl-emcon.dtsi"
> +#include "imx6qdl-emcon-avari.dtsi"
> +
> +/ {
> + model = "emtrion SoM emCON-MX6 Dual/Quad on Avari";
> + compatible = "emtrion,emcon-mx6-avari", "fsl,imx6q";
> +};
> diff --git a/arch/arm/boot/dts/imx6qdl-emcon-avari.dtsi b/arch/arm/boot/dts/imx6qdl-emcon-avari.dtsi
> new file mode 100644
> index 000000000000..b6bbb30ca538
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6qdl-emcon-avari.dtsi
> @@ -0,0 +1,177 @@
> +// SPDX-License-Identifier: (GPL-2.0 or MIT)
> +/*
> + * Copyright (C) 2018 emtrion GmbH
> + */
> +
> +/ {
> + aliases {
> + mmc0 = &usdhc3;
> + mmc2 = &usdhc1;
> + mmc1 = &usdhc2;
> + mmc3 = &usdhc4;
> + boardid = &boardid;

Please keep them alphabetically sorted.

> + };
> +
> + reg_wall_5p0: reg-wall5p0 {
> + compatible = "regulator-fixed";
> + regulator-name = "Main-Supply";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + reg_base3p3: reg-base3p3 {
> + compatible = "regulator-fixed";
> + vin-supply = <&reg_wall_5p0>;
> + regulator-name = "3V3-avari";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + reg_base1p5: reg-base1p5 {
> + compatible = "regulator-fixed";
> + vin-supply = <&reg_base3p3>;
> + regulator-name = "1V5-avari";
> + regulator-min-microvolt = <1500000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + reg_usb_otg: reg-otgvbus {
> + compatible = "regulator-fixed";
> + vin-supply = <&reg_wall_5p0>;
> + regulator-name = "OTG_VBUS";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio1 8 GPIO_ACTIVE_LOW>;
> + regulator-always-on;
> + };
> +
> + clk_codec: clock-codec {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + clock-frequency = <12000000>;
> + };
> +
> + sound {
> + compatible = "fsl,imx-audio-sgtl5000";
> + model = "emCON-avari-sgtl5000";
> + ssi-controller = <&ssi2>;
> + audio-codec = <&sgtl5000>;
> + audio-routing =
> + "Headphone Jack", "HP_OUT";
> + mux-int-port = <2>;
> + mux-ext-port = <3>;
> + };
> +};
> +
> +&audmux {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_audmux>;
> + status = "okay";
> +};
> +
> +&can1 {
> + status = "okay";
> +};
> +
> +&can2 {
> + status = "okay";
> +};
> +
> +&ecspi2 {
> + status = "okay";
> +};
> +
> +&hdmi {
> + ddc-i2c-bus = <&i2c2>;
> + status = "okay";
> +};
> +
> +&i2c2 {
> + status = "okay";
> +};
> +
> +&i2c3 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +
> + sgtl5000: audio-codec@a {
> + compatible = "fsl,sgtl5000";
> + reg = <0x0a>;
> + #sound-dai-cells = <0>;
> + clocks = <&clk_codec>;
> + VDDA-supply = <&reg_base3p3>;
> + VDDIO-supply = <&reg_base3p3>;
> + };
> +
> + boardid: gpio@3a {
> + compatible = "nxp,pca8574";
> + reg = <0x3a>;
> + gpio-controller;
> + #gpio-cells = <1>;
> + };
> +
> + captouch: touchscreen@38 {

The I2C device nodes should be arranged in order of device/unit address.
That said, touchscreen@38 should go before gpio@3a.

> + compatible = "edt,edt-ft5406";
> + reg = <0x38>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_irq_touch2 &pinctrl_emcon_gpio4>;
> + interrupt-parent = <&gpio6>;
> + interrupts = <31 IRQ_TYPE_EDGE_FALLING>;
> + wake-gpios = <&gpio2 3 GPIO_ACTIVE_HIGH>;
> + wakeup-source;
> + };
> +};
> +
> +&pcie {
> + status = "okay";
> +};
> +
> +&rgb_encoder {
> + status = "okay";
> +};
> +
> +&rgb_panel {
> + compatible = "edt,etm0700g0bdh6";
> + status = "okay";
> +};
> +
> +&ssi2 {
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> + uart-has-rtscts;
> +};
> +
> +&uart3 {
> + status = "okay";
> +};
> +
> +&uart4 {
> + status = "okay";
> +};
> +
> +&uart5 {
> + status = "okay";
> +};
> +
> +&usbh1 {
> + status = "okay";
> +};
> +
> +&usbotg {
> + status = "okay";
> +};
> +
> +&usdhc1 {
> + status = "okay";
> +};
> diff --git a/arch/arm/boot/dts/imx6qdl-emcon.dtsi b/arch/arm/boot/dts/imx6qdl-emcon.dtsi
> new file mode 100644
> index 000000000000..4958ae3b924c
> --- /dev/null
> +++ b/arch/arm/boot/dts/imx6qdl-emcon.dtsi
> @@ -0,0 +1,832 @@
> +// SPDX-License-Identifier: (GPL-2.0 or MIT)
> +/*
> + * Copyright (C) 2018 emtrion GmbH
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/pwm/pwm.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> +
> + model = "emtrion SoM emCON-MX6";
> + compatible = "emtrion,emcon-mx6";
> +
> + aliases {
> + mmc0 = &usdhc3;
> + mmc2 = &usdhc1;
> + mmc1 = &usdhc2;
> + rtc0 = &ds1307;
> + };
> +
> + chosen {
> + stdout-path = &uart1;
> + };
> +
> + memory@10000000 {
> + reg = <0x10000000 0x40000000>;
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_emcon_wake>;
> +
> + wake {
> + label = "Wake";
> + linux,code = <KEY_WAKEUP>;
> + gpios = <&gpio3 2 GPIO_ACTIVE_LOW>;
> + wakeup-source;
> + };
> + };
> +
> + som_leds: leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_som_leds>;
> +
> + green {
> + label = "som:green";
> + gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + default-state = "on";
> + };
> +
> + red {
> + label = "som:red";
> + gpios = <&gpio3 1 GPIO_ACTIVE_LOW>;
> + default-state = "keep";
> + };
> +
> + };
> +
> + lvds_backlight: lvds-backlight {
> + compatible = "pwm-backlight";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_lvds_bl>;
> + enable-gpios = <&gpio6 9 GPIO_ACTIVE_HIGH>;
> + pwms = <&pwm1 0 50000>;
> + brightness-levels = <
> + 0 4 8 16 32 64 80 96 112
> + 128 144 160 176 250
> + >;
> + default-brightness-level = <13>;
> + status = "okay";
> + };
> +
> + pwm_fan: pwm-fan {
> + compatible = "pwm-fan";
> + cooling-min-state = <0>;
> + cooling-max-state = <4>;
> + #cooling-cells = <2>;
> + pwms = <&pwm4 0 50000>;
> + cooling-levels = <0 64 127 191 255>;
> + status = "disabled";
> + };
> +
> +
> + rgb_encoder: display {
> + compatible = "fsl,imx-parallel-display";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgb24_display>;
> + status = "disabled";
> +
> + port@0 {
> + reg = <0>;
> +
> + rgb_encoder_in: endpoint {
> + remote-endpoint = <&ipu1_di0_disp0>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> +
> + rgb_encoder_out: endpoint {
> + remote-endpoint = <&rgb_panel_in>;
> + };
> + };
> + };
> +
> + rgb_panel: lcd {
> + backlight = <&rgb_backlight>;
> + power-supply = <&reg_parallel_disp>;
> +
> + port {
> + rgb_panel_in: endpoint {
> + remote-endpoint = <&rgb_encoder_out>;
> + };
> + };
> + };
> +
> + reg_parallel_disp: reg-parallel-display {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgb_bl_en>;
> + regulator-name = "LCD-Supply";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio7 9 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + reg_lvds_disp: reg-lvds-display {
> + compatible = "regulator-fixed";
> + regulator-name = "LVDS-Supply";
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + gpio = <&gpio7 10 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> +
> + rgb_backlight: rgb-backlight {
> + compatible = "pwm-backlight";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgb_bl>;
> + enable-gpios = <&gpio6 8 GPIO_ACTIVE_HIGH>;
> + pwms = <&pwm3 0 5000000>;
> + brightness-levels = <
> + 250 176 160 144 128 112
> + 96 80 64 48 32 16 8 1
> + >;
> + default-brightness-level = <13>;
> + status = "okay";
> + };
> +};
> +
> +&can1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_can1>;
> +};
> +
> +&can2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_can2>;
> +};
> +
> +&ecspi2 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ecspi2>;
> + cs-gpios = <&gpio2 25 GPIO_ACTIVE_HIGH>,
> + <&gpio2 26 GPIO_ACTIVE_HIGH>;

This line needs a proper indentation.

> +};
> +
> +&ecspi4 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_nor_flash>;
> +};
> +
> +&fec {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_enet>;
> + phy-mode = "rgmii";
> + phy-reset-gpios = <&gpio5 20 GPIO_ACTIVE_LOW>;
> + phy-reset-duration = <50>;
> + phy-supply = <&vdd_1V8_reg>;
> + phy-handle = <&ksz9031>;
> + status = "okay";
> +
> + mdio {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ksz9031: phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + reg = <0>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <30 IRQ_TYPE_EDGE_FALLING>;
> + rxdv-skew-ps = <480>;
> + txen-skew-ps = <480>;
> + rxd0-skew-ps = <480>;
> + rxd1-skew-ps = <480>;
> + rxd2-skew-ps = <480>;
> + rxd3-skew-ps = <480>;
> + txd0-skew-ps = <420>;
> + txd1-skew-ps = <420>;
> + txd2-skew-ps = <360>;
> + txd3-skew-ps = <360>;
> + txc-skew-ps = <1020>;
> + rxc-skew-ps = <960>;
> + };
> + };
> +};
> +
> +&i2c1 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + status = "okay";
> +
> + ds1307: rtc@68 {
> + compatible = "dallas,ds1307";
> + reg = <0x68>;
> + };
> +
> + da9063: pmic@58 {

Sort I2C devices in address.

Shawn

> + compatible = "dlg,da9063";
> + reg = <0x58>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pmic>;
> + interrupt-parent = <&gpio2>;
> + interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-controller;

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