[PATCH 0/3] Add support for PocketBook Touch Lux 3 e-book reader

[PATCH 0/3] Add support for PocketBook Touch Lux 3 e-book reader

[Ondrej Jirman]

This series adds a fairly complete support for this e-book reader.

Missing parts are eink display driver and the touch panel driver.
Support for both is available out-of-tree for now at:
  https://megous.com/git/linux/log/?h=pb-5.6

The rest of the board is supported by the mainline drivers.

Please take a look.

thank you and regards,
  Ondrej Jirman

Ondrej Jirman (3):
  dt-bindings: vendor-prefixes: Add prefix for PocketBook International
    SA
  dt-bindings: arm: sunxi: Add PocketBook Touch Lux 3
  ARM: dts: sun5i: Add PocketBook Touch Lux 3 support

 .../devicetree/bindings/arm/sunxi.yaml        |   5 +
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 arch/arm/boot/dts/Makefile                    |   1 +
 .../dts/sun5i-a13-pocketbook-touch-lux-3.dts  | 257 ++++++++++++++++++
 4 files changed, 265 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts

-- 
2.25.1


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[PATCH 1/3] dt-bindings: vendor-prefixes: Add prefix for PocketBook International SA

[Ondrej Jirman]

Call it "pocketbook".

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index 9e67944bec9c6..434cf7de691d2 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -761,6 +761,8 @@ patternProperties:
     description: Broadcom Corporation (formerly PLX Technology)
   "^pni,.*":
     description: PNI Sensor Corporation
+  "^pocketbook,.*":
+    description: PocketBook International SA
   "^polaroid,.*":
     description: Polaroid Corporation
   "^portwell,.*":
-- 
2.25.1


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Re: [PATCH 1/3] dt-bindings: vendor-prefixes: Add prefix for PocketBook International SA

[Maxime Ripard]

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On Sun, Feb 23, 2020 at 04:16:12AM +0100, Ondrej Jirman wrote:
> Call it "pocketbook".
>
> Signed-off-by: Ondrej Jirman <megous@megous.com>


Acked-by: Maxime Ripard <mripard@kernel.org>

Thanks!
Maxime

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Re: [PATCH 1/3] dt-bindings: vendor-prefixes: Add prefix for PocketBook International SA

[Rob Herring]

On Sun, 23 Feb 2020 04:16:12 +0100, Ondrej Jirman wrote:
> Call it "pocketbook".
> 
> Signed-off-by: Ondrej Jirman <megous@megous.com>
> ---
>  Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 

Applied, thanks.

Rob

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[PATCH 2/3] dt-bindings: arm: sunxi: Add PocketBook Touch Lux 3

[Ondrej Jirman]

Add a new board name.

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 Documentation/devicetree/bindings/arm/sunxi.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/sunxi.yaml b/Documentation/devicetree/bindings/arm/sunxi.yaml
index 327ce67308237..7c4be977be37f 100644
--- a/Documentation/devicetree/bindings/arm/sunxi.yaml
+++ b/Documentation/devicetree/bindings/arm/sunxi.yaml
@@ -647,6 +647,11 @@ properties:
           - const: pineriver,mini-xplus
           - const: allwinner,sun4i-a10
 
+      - description: PocketBook Touch Lux 3
+        items:
+          - const: pocketbook,touch-lux-3
+          - const: allwinner,sun5i-a13
+
       - description: Point of View Protab2-IPS9
         items:
           - const: pov,protab2-ips9
-- 
2.25.1


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[PATCH 3/3] ARM: dts: sun5i: Add PocketBook Touch Lux 3 support

[Ondrej Jirman]

What works:

- Serial console
- mmc0, mmc2 (both microSD card slots on the board)
- All buttons (gpio and lradc based)
- Power LED
- PMIC
- RTC
- USB OTG/gadgets mode
- Realtek USB WiFi
- Display backlight
- eInk display SPI NOR flash memory

Signed-off-by: Ondrej Jirman <megous@megous.com>
---
 arch/arm/boot/dts/Makefile                    |   1 +
 .../dts/sun5i-a13-pocketbook-touch-lux-3.dts  | 257 ++++++++++++++++++
 2 files changed, 258 insertions(+)
 create mode 100644 arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d6546d2676b9d..ef732a31e4352 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1056,6 +1056,7 @@ dtb-$(CONFIG_MACH_SUN5I) += \
 	sun5i-a13-licheepi-one.dtb \
 	sun5i-a13-olinuxino.dtb \
 	sun5i-a13-olinuxino-micro.dtb \
+	sun5i-a13-pocketbook-touch-lux-3.dtb \
 	sun5i-a13-q8-tablet.dtb \
 	sun5i-a13-utoo-p66.dtb \
 	sun5i-gr8-chip-pro.dtb \
diff --git a/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts b/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts
new file mode 100644
index 0000000000000..e9ef97c9c893b
--- /dev/null
+++ b/arch/arm/boot/dts/sun5i-a13-pocketbook-touch-lux-3.dts
@@ -0,0 +1,257 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright 2019 Ondrej Jirman <megous@megous.com>
+ */
+
+/dts-v1/;
+#include "sun5i-a13.dtsi"
+#include "sunxi-common-regulators.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
+
+/ {
+	model = "PocketBook Touch Lux 3";
+	compatible = "pocketbook,touch-lux-3", "allwinner,sun5i-a13";
+
+	aliases {
+		serial0 = &uart1;
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c2 = &i2c2;
+	};
+
+	backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
+		enable-gpios = <&pio 1 4 GPIO_ACTIVE_HIGH>; /* PB4 */
+		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
+		default-brightness-level = <8>;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		power {
+			gpios = <&pio 4 8 GPIO_ACTIVE_LOW>; /* PE8 */
+			default-state = "on";
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		autorepeat;
+		label = "GPIO Keys";
+
+		key-right {
+			label = "Right";
+			linux,code = <KEY_RIGHT>;
+			gpios = <&pio 6 9 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG9 */
+		};
+
+		key-left {
+			label = "Left";
+			linux,code = <KEY_LEFT>;
+			gpios = <&pio 6 10 (GPIO_ACTIVE_LOW | GPIO_PULL_UP)>; /* PG10 */
+		};
+	};
+
+	reg_1v8: regulator-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd-1v8-nor-ctp";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&pio 2 15 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	reg_1v8_nor: regulator-nor {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd-nor";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&pio 2 14 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		vin-supply = <&reg_1v8>;
+		regulator-always-on;
+	};
+
+	reg_1v8_ctp: regulator-ctp {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd-ctp";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		gpio = <&pio 2 13 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		vin-supply = <&reg_1v8>;
+	};
+
+	reg_3v3_mmc0: regulator-mmc0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vdd-mmc0";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pio 4 4 GPIO_ACTIVE_LOW>; /* PE4 */
+		vin-supply = <&reg_vcc3v3>;
+	};
+};
+
+&cpu0 {
+	cpu-supply = <&reg_dcdc2>;
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+
+	axp209: pmic@34 {
+		reg = <0x34>;
+		interrupts = <0>;
+	};
+};
+
+#include "axp209.dtsi"
+
+&i2c1 {
+	status = "okay";
+
+	pcf8563: rtc@51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+	};
+};
+
+&i2c2 {
+	status = "okay";
+
+	/* Touchpanel is connected here. */
+};
+
+&lradc {
+	vref-supply = <&reg_ldo2>;
+	status = "okay";
+
+	button-200 {
+		label = "Home";
+		linux,code = <KEY_HOME>;
+		channel = <0>;
+		voltage = <200000>;
+	};
+
+	button-400 {
+		label = "Menu";
+		linux,code = <KEY_MENU>;
+		channel = <0>;
+		voltage = <400000>;
+	};
+};
+
+&mmc0 {
+	vmmc-supply = <&reg_3v3_mmc0>;
+	bus-width = <4>;
+	cd-gpios = <&pio 6 0 GPIO_ACTIVE_LOW>; /* PG0 */
+	status = "okay";
+};
+
+&mmc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc2_4bit_pc_pins>;
+	vmmc-supply = <&reg_vcc3v3>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&otg_sram {
+	status = "okay";
+};
+
+&pwm {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pwm0_pin>;
+	status = "okay";
+};
+
+&reg_dcdc2 {
+	regulator-always-on;
+	regulator-min-microvolt = <1000000>;
+	regulator-max-microvolt = <1400000>;
+	regulator-name = "vdd-cpu";
+};
+
+&reg_dcdc3 {
+	regulator-always-on;
+	regulator-min-microvolt = <1200000>;
+	regulator-max-microvolt = <1200000>;
+	regulator-name = "vdd-int-pll";
+};
+
+&reg_ldo1 {
+	regulator-name = "vdd-rtc";
+};
+
+&reg_ldo2 {
+	regulator-always-on;
+	regulator-min-microvolt = <3000000>;
+	regulator-max-microvolt = <3000000>;
+	regulator-name = "avcc";
+};
+
+&reg_ldo3 {
+	regulator-min-microvolt = <3300000>;
+	regulator-max-microvolt = <3300000>;
+	regulator-name = "vcc-wifi";
+	/* We need this otherwise the LDO3 would overload */
+	regulator-soft-start;
+	regulator-ramp-delay = <1600>;
+};
+
+&spi2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi2_pe_pins>, <&spi2_cs0_pe_pin>;
+	status = "okay";
+
+	epd_flash: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "macronix,mx25u4033", "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <4000000>;
+	};
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart1_pg_pins>;
+	status = "okay";
+};
+
+&usb_otg {
+	dr_mode = "peripheral";
+	status = "okay";
+};
+
+&battery_power_supply {
+	status = "okay";
+};
+
+&usb_power_supply {
+	status = "okay";
+};
+
+&usbphy {
+	usb1_vbus-supply = <&reg_ldo3>;
+	status = "okay";
+};
-- 
2.25.1


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Re: [PATCH 0/3] Add support for PocketBook Touch Lux 3 e-book reader

[Maxime Ripard]

[-- Attachment #1.1: Type: text/plain, Size: 426 bytes --]

On Sun, Feb 23, 2020 at 04:16:11AM +0100, Ondrej Jirman wrote:
> This series adds a fairly complete support for this e-book reader.
>
> Missing parts are eink display driver and the touch panel driver.
> Support for both is available out-of-tree for now at:
>   https://megous.com/git/linux/log/?h=pb-5.6
>
> The rest of the board is supported by the mainline drivers.
>
> Please take a look.

Applied 2 and 3, thanks!
Maxime

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