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Date: Fri, 25 Oct 2019 21:06:36 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Andreas Kemnade <andreas@...nade.info>
Cc: robh+dt@...nel.org, mark.rutland@....com, s.hauer@...gutronix.de,
kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
manivannan.sadhasivam@...aro.org, andrew.smirnov@...il.com,
marex@...x.de, angus@...ea.ca, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
j.neuschaefer@....net,
Discussions about the Letux Kernel
<letux-kernel@...nphoenux.org>,
Marco Felsch <m.felsch@...gutronix.de>
Subject: Re: [PATCH v3 2/3] ARM: dts: add Netronix E60K02 board common file
On Thu, Oct 10, 2019 at 09:23:56PM +0200, Andreas Kemnade wrote:
> The Netronix board E60K02 can be found some several Ebook-Readers,
> at least the Kobo Clara HD and the Tolino Shine 3. The board
> is equipped with different SoCs requiring different pinmuxes.
>
> For now the following peripherals are included:
> - LED
> - Power Key
> - Cover (gpio via hall sensor)
> - RC5T619 PMIC (the kernel misses support for rtc and charger
> subdevices).
> - Backlight via lm3630a
> - Wifi sdio chip detection (mmc-powerseq and stuff)
>
> It is based on vendor kernel but heavily reworked due to many
> changed bindings.
>
> Signed-off-by: Andreas Kemnade <andreas@...nade.info>
> ---
> Changes in v3:
> - better led name
> - correct memory size
> - comments about missing devices
>
> Changes in v2:
> - reordered, was 1/3
> - moved pinmuxes to their actual users, not the parents
> of them
> - removed some already-disabled stuff
> - minor cleanups
>
> backligt dependencies:
> module autoloading:
> https://patchwork.kernel.org/patch/11139987/
> enable-gpios property (accepted and acked):
> https://patchwork.kernel.org/patch/11143795/
>
> arch/arm/boot/dts/e60k02.dtsi | 337 ++++++++++++++++++++++++++++++++++
> 1 file changed, 337 insertions(+)
> create mode 100644 arch/arm/boot/dts/e60k02.dtsi
>
> diff --git a/arch/arm/boot/dts/e60k02.dtsi b/arch/arm/boot/dts/e60k02.dtsi
> new file mode 100644
> index 0000000000000..84c0447b9a1bd
> --- /dev/null
> +++ b/arch/arm/boot/dts/e60k02.dtsi
> @@ -0,0 +1,337 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright 2019 Andreas Kemnade
> + * based on works
> + * Copyright 2016 Freescale Semiconductor, Inc.
> + * and
> + * Copyright (C) 2014 Ricoh Electronic Devices Co., Ltd
> + *
> + * Netronix E60K02 board common.
> + * This board is equipped with different SoCs and
> + * found in ebook-readers like the Kobo Clara HD (with i.MX6SLL) and
> + * the Tolino Shine 3 (with i.MX6SL)
> + */
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> +
> + chosen {
> + stdout-path = &uart1;
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_keys>;
Please have a newline between property list and child node.
> + power {
> + label = "Power";
> + gpios = <&gpio5 8 GPIO_ACTIVE_LOW>;
> + linux,code = <KEY_POWER>;
> + gpio-key,wakeup;
Check out Documentation/devicetree/bindings/power/wakeup-source.txt
> + };
> + cover {
> + label = "Cover";
> + gpios = <&gpio5 12 GPIO_ACTIVE_LOW>;
> + linux,code = <SW_LID>;
> + linux,input-type = <EV_SW>;
> + gpio-key,wakeup;
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_led>;
> +
> + on {
> + label = "e60k02:white:on";
> + gpios = <&gpio5 7 GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "timer";
> + };
> + };
> +
> + memory {
> + reg = <0x80000000 0x20000000>;
> + };
> +
> + reg_wifi: regulator-wifi {
> + compatible = "regulator-fixed";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wifi_power>;
> + regulator-name = "SD3_SPWR";
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> +
Drop this newline.
> + gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> +
Ditto
> + };
> +
> + wifi_pwrseq: wifi_pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_wifi_reset>;
> + post-power-on-delay-ms = <20>;
> + reset-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
> + };
> +
Ditto
> +};
> +
> +
> +&i2c1 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default","sleep";
> + pinctrl-0 = <&pinctrl_i2c1>;
> + pinctrl-1 = <&pinctrl_i2c1_sleep>;
> + status = "okay";
> +
> + lm3630a: backlight@36 {
> + reg = <0x36>;
> +
Ditto
> + compatible = "ti,lm3630a";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_lm3630a_bl_gpio>;
> + enable-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + led@0 {
> + reg = <0>;
> + led-sources = <0>;
> + label = "backlight_warm";
> + default-brightness = <0>;
> + max-brightness = <255>;
> + };
> +
> + led@1 {
> + reg = <1>;
> + led-sources = <1>;
> + label = "backlight_cold";
> + default-brightness = <0>;
> + max-brightness = <255>;
> + };
> +
Ditto
> + };
> +};
> +
> +&i2c2 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default","sleep";
> + pinctrl-0 = <&pinctrl_i2c2>;
> + pinctrl-1 = <&pinctrl_i2c2_sleep>;
> + status = "okay";
> +
> + /* TODO: CYTTSP5 touch controller at 0x24 */
> +
> + /* TODO: TPS65185 PMIC for E Ink at 0x68 */
> +
> +};
> +
> +&i2c3 {
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +
> + ricoh619: pmic@32 {
> + compatible = "ricoh,rc5t619";
> + reg = <0x32>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_ricoh_gpio>;
> + system-power-controller;
> +
> + regulators {
> + dcdc1_reg: DCDC1 {
> + regulator-name = "DCDC1";
> + regulator-min-microvolt = <300000>;
> + regulator-max-microvolt = <1875000>;
> + regulator-always-on;
> + regulator-boot-on;
Have a newline between property list and child node.
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-max-microvolt = <900000>;
> + regulator-suspend-min-microvolt = <900000>;
> + };
> + };
> +
> + /* Core3_3V3 */
> + dcdc2_reg: DCDC2 {
> + regulator-name = "DCDC2";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-max-microvolt = <3300000>;
> + regulator-suspend-min-microvolt = <3300000>;
> + };
> + };
> +
> + dcdc3_reg: DCDC3 {
> + regulator-name = "DCDC3";
> + regulator-min-microvolt = <300000>;
> + regulator-max-microvolt = <1875000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-max-microvolt = <1140000>;
> + regulator-suspend-min-microvolt = <1140000>;
> + };
> + };
> +
> + /* Core4_1V2 */
> + dcdc4_reg: DCDC4 {
> + regulator-name = "DCDC4";
> + regulator-min-microvolt = <1200000>;
> + regulator-max-microvolt = <1200000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-max-microvolt = <1140000>;
> + regulator-suspend-min-microvolt = <1140000>;
> + };
> + };
> +
> + /* Core4_1V8 */
> + dcdc5_reg: DCDC5 {
> + regulator-name = "DCDC5";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-max-microvolt = <1700000>;
> + regulator-suspend-min-microvolt = <1700000>;
> + };
> + };
> +
> + /* IR_3V3 */
> + ldo1_reg: LDO1 {
> + regulator-name = "LDO1";
> + regulator-boot-on;
> + };
> +
> + /* Core1_3V3 */
> + ldo2_reg: LDO2 {
> + regulator-name = "LDO2";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-max-microvolt = <3000000>;
> + regulator-suspend-min-microvolt = <3000000>;
> + };
> + };
> +
> + /* Core5_1V2 */
> + ldo3_reg: LDO3 {
> + regulator-name = "LDO3";
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + ldo4_reg: LDO4 {
> + regulator-name = "LDO4";
> + regulator-boot-on;
> + };
> +
> + /* SPD_3V3 */
> + ldo5_reg: LDO5 {
> + regulator-name = "LDO5";
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* DDR_0V6 */
> + ldo6_reg: LDO6 {
> + regulator-name = "LDO6";
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* VDD_PWM */
> + ldo7_reg: LDO7 {
> + regulator-name = "LDO7";
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + /* ldo_1v8 */
> + ldo8_reg: LDO8 {
> + regulator-name = "LDO8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-always-on;
> + regulator-boot-on;
> + };
> +
> + ldo9_reg: LDO9 {
> + regulator-name = "LDO9";
> + regulator-boot-on;
> + };
> +
> + ldo10_reg: LDO10 {
> + regulator-name = "LDO10";
> + regulator-boot-on;
> + };
> +
> + ldortc1_reg: LDORTC1 {
> + regulator-name = "LDORTC1";
> + regulator-boot-on;
> + };
> +
> + ldortc2_reg: LDORTC2 {
> + regulator-name = "LDORTC2";
> + regulator-boot-on;
> + };
> + };
> +
Drop the newline.
> + };
> +
Ditto
Shawn
> +};
> +
> +&snvs_rtc {
> + /* we are using the rtc in the pmic, not disabled imx6sll.dtsi */
> + status = "disabled";
> +};
> +
> +&uart1 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_uart1>;
> + status = "okay";
> +};
> +
> +&usdhc2 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
> + pinctrl-0 = <&pinctrl_usdhc2>;
> + pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
> + pinctrl-3 = <&pinctrl_usdhc2_sleep>;
> + non-removable;
> + status = "okay";
> +};
> +
> +&usdhc3 {
> + pinctrl-names = "default", "state_100mhz", "state_200mhz","sleep";
> + pinctrl-0 = <&pinctrl_usdhc3>;
> + pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> + pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> + pinctrl-3 = <&pinctrl_usdhc3_sleep>;
> + vmmc-supply = <®_wifi>;
> + mmc-pwrseq = <&wifi_pwrseq>;
> + cap-power-off-card;
> + non-removable;
> + status = "okay";
> +};
> +
> +&usbotg1 {
> + pinctrl-names = "default";
> + disable-over-current;
> + srp-disable;
> + hnp-disable;
> + adp-disable;
> + status = "okay";
> +};
> --
> 2.20.1
>
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