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core/linux-am33x to 4.14.3-2 (#1546)
Add mcp23s08 and tps65217 backlight drivers, which are required to get use of chiliboard LCD shield. mcp23s08 is a I2C GPIO expander needed to enable LCD. Add I2C GPIO expander needed to put LCD_EN pin high. Note, than previously that was not needed, because initial batch of LCD shields had pull-up resistors instead of pull-down. Update checksums and bump up pkgrel.
This commit is contained in:
Marcin Niestroj
Kevin Mihelich
parent
86a093c972
commit
3e0cec6cd8
3 changed files with 38 additions and 22 deletions
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@ -1,19 +1,19 @@
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From cbb5fd0363c51b204ae2bf570aefdd6925a1f1aa Mon Sep 17 00:00:00 2001
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From e92c1ac1adb612ed061fd8d7e7fb1f85de18ad83 Mon Sep 17 00:00:00 2001
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From: Mateusz Salamon <m.salamon@grinn-global.com>
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Date: Fri, 20 May 2016 14:31:51 +0200
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Subject: [PATCH] add lcd cape for chiliboard
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---
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arch/arm/boot/dts/Makefile | 1 +
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arch/arm/boot/dts/am335x-chiliboard-lcd.dts | 143 ++++++++++++++++++++++++++++
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2 files changed, 144 insertions(+)
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arch/arm/boot/dts/am335x-chiliboard-lcd.dts | 159 ++++++++++++++++++++++++++++
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2 files changed, 160 insertions(+)
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create mode 100644 arch/arm/boot/dts/am335x-chiliboard-lcd.dts
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diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
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index 31c53b8b1884..5b58f95dfe8e 100644
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index eff87a344566..905b65a31465 100644
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -602,6 +602,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \
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@@ -620,6 +620,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \
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am335x-bonegreen.dtb \
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am335x-bonegreen-wireless.dtb \
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am335x-chiliboard.dtb \
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@ -23,10 +23,10 @@ index 31c53b8b1884..5b58f95dfe8e 100644
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am335x-evmsk.dtb \
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diff --git a/arch/arm/boot/dts/am335x-chiliboard-lcd.dts b/arch/arm/boot/dts/am335x-chiliboard-lcd.dts
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new file mode 100644
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index 000000000000..bee7d42a08e6
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index 000000000000..bea28f9e6163
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--- /dev/null
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+++ b/arch/arm/boot/dts/am335x-chiliboard-lcd.dts
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@@ -0,0 +1,143 @@
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@@ -0,0 +1,159 @@
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+/*
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+ * Copyright (C) 2016 Grinn Sp. z o.o.
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+ * Author: Mateusz Salamon <m.salamon@grinn-global.com>
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@ -42,15 +42,15 @@ index 000000000000..bee7d42a08e6
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+ compatible = "ti,tilcdc,panel";
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+ status = "okay";
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+ panel-info {
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+ ac-bias = <255>;
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+ ac-bias-intrpt = <0>;
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+ dma-burst-sz = <16>;
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+ bpp = <32>;
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+ fdd = <0x80>;
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+ sync-edge = <0>;
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+ sync-ctrl = <1>;
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+ raster-order = <0>;
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+ fifo-th = <0>;
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+ ac-bias = <255>;
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+ ac-bias-intrpt = <0>;
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+ dma-burst-sz = <16>;
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+ bpp = <32>;
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+ fdd = <0x80>;
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+ sync-edge = <0>;
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+ sync-ctrl = <1>;
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+ raster-order = <0>;
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+ fifo-th = <0>;
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+ };
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+
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+ display-timings {
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@ -170,6 +170,22 @@ index 000000000000..bee7d42a08e6
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+ default-brightness = <50>;
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+ };
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+};
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+
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+&i2c0 {
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+ mcp23008: mcp23008@20 {
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+ compatible = "microchip,mcp23008";
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+ gpio-controller;
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+ #gpio-cells = <2>;
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+ reg = <0x20>;
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+
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+ lcd_en {
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+ gpio-hog;
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+ gpios = <7 0>; /* TODO: ACTIVE_HIGH? */
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+ output-high;
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+ line-name = "lcd-en";
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+ };
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+ };
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+};
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--
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2.12.2
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2.15.0
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@ -8,7 +8,7 @@ _srcname=linux-4.14
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_kernelname=${pkgbase#linux}
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_desc="TI AM335x Beaglebone (Black)"
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pkgver=4.14.3
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pkgrel=1
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pkgrel=2
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rcnrel=bone5
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arch=('armv7h')
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url="http://www.kernel.org/"
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@ -28,9 +28,9 @@ md5sums=('bacdb9ffdcd922aa069a5e1520160e24'
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'0732df415000b9def639a69996df6497'
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'44aa2e3b7b1ef8638571a306b019639e'
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'SKIP'
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'dc780fbf3d4d1175a94232d7ba1e3cb3'
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'ee16bcdbbf978e714455933ecd6dd8fe'
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'5698870a716fed205215d258cc71e296'
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'0ce9d5b958d64ec493df5949ed9b74c2'
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'195c6f64de4a239acb148b3a7095a574'
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'78ccc998f27eec49a9d5490218b1b1ab'
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'79fa396e3f9a09a85156d6d7c2d34b58')
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@ -2912,7 +2912,7 @@ CONFIG_PINCONF=y
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CONFIG_GENERIC_PINCONF=y
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# CONFIG_DEBUG_PINCTRL is not set
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# CONFIG_PINCTRL_AMD is not set
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# CONFIG_PINCTRL_MCP23S08 is not set
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CONFIG_PINCTRL_MCP23S08=m
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CONFIG_PINCTRL_SINGLE=y
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# CONFIG_PINCTRL_SX150X is not set
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CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
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@ -4090,7 +4090,7 @@ CONFIG_BACKLIGHT_PWM=y
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# CONFIG_BACKLIGHT_LM3630A is not set
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# CONFIG_BACKLIGHT_LM3639 is not set
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# CONFIG_BACKLIGHT_LP855X is not set
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# CONFIG_BACKLIGHT_TPS65217 is not set
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CONFIG_BACKLIGHT_TPS65217=m
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CONFIG_BACKLIGHT_GPIO=y
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# CONFIG_BACKLIGHT_LV5207LP is not set
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# CONFIG_BACKLIGHT_BD6107 is not set
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