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Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0139-Add-device-tree-overlay-for-HD44780.patch')
-rw-r--r--target/linux/brcm2708/patches-4.19/950-0139-Add-device-tree-overlay-for-HD44780.patch105
1 files changed, 0 insertions, 105 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0139-Add-device-tree-overlay-for-HD44780.patch b/target/linux/brcm2708/patches-4.19/950-0139-Add-device-tree-overlay-for-HD44780.patch
deleted file mode 100644
index f48b8eab99..0000000000
--- a/target/linux/brcm2708/patches-4.19/950-0139-Add-device-tree-overlay-for-HD44780.patch
+++ /dev/null
@@ -1,105 +0,0 @@
-From b5ec75dab38af2429278df48121642cb5605e318 Mon Sep 17 00:00:00 2001
-From: Jasper Boomer <jasperboomer@gmail.com>
-Date: Sun, 24 Jun 2018 12:20:27 -0400
-Subject: [PATCH] Add device tree overlay for HD44780
-
----
- arch/arm/boot/dts/overlays/Makefile | 1 +
- arch/arm/boot/dts/overlays/README | 25 ++++++++++
- .../boot/dts/overlays/hd44780-lcd-overlay.dts | 46 +++++++++++++++++++
- 3 files changed, 72 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/hd44780-lcd-overlay.dts
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -38,6 +38,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- gpio-no-irq.dtbo \
- gpio-poweroff.dtbo \
- gpio-shutdown.dtbo \
-+ hd44780-lcd.dtbo \
- hifiberry-amp.dtbo \
- hifiberry-dac.dtbo \
- hifiberry-dacplus.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -639,6 +639,31 @@ Params: gpio_pin GPIO pin
- external pullup.
-
-
-+Name: hd44780-lcd
-+Info: Configures an HD44780 compatible LCD display. Uses 4 gpio pins for
-+ data, 2 gpio pins for enable and register select and 1 optional pin
-+ for enabling/disabling the backlight display.
-+Load: dtoverlay=hd44780-lcd,<param>=<val>
-+Params: pin_d4 GPIO pin for data pin D4 (default 6)
-+
-+ pin_d5 GPIO pin for data pin D5 (default 13)
-+
-+ pin_d6 GPIO pin for data pin D6 (default 19)
-+
-+ pin_d7 GPIO pin for data pin D7 (default 26)
-+
-+ pin_en GPIO pin for "Enable" (default 21)
-+
-+ pin_rs GPIO pin for "Register Select" (default 20)
-+
-+ pin_bl Optional pin for enabling/disabling the
-+ display backlight. (default disabled)
-+
-+ display_height Height of the display in characters
-+
-+ display_width Width of the display in characters
-+
-+
- Name: hifiberry-amp
- Info: Configures the HifiBerry Amp and Amp+ audio cards
- Load: dtoverlay=hifiberry-amp
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/hd44780-lcd-overlay.dts
-@@ -0,0 +1,46 @@
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2835";
-+
-+ fragment@0 {
-+ target-path = "/";
-+ __overlay__ {
-+ lcd_screen: auxdisplay {
-+ compatible = "hit,hd44780";
-+
-+ data-gpios = <&gpio 6 0>,
-+ <&gpio 13 0>,
-+ <&gpio 19 0>,
-+ <&gpio 26 0>;
-+ enable-gpios = <&gpio 21 0>;
-+ rs-gpios = <&gpio 20 0>;
-+
-+ display-height-chars = <2>;
-+ display-width-chars = <16>;
-+ };
-+
-+ };
-+ };
-+
-+ fragment@1 {
-+ target = <&lcd_screen>;
-+ __dormant__ {
-+ backlight-gpios = <&gpio 12 0>;
-+ };
-+ };
-+
-+ __overrides__ {
-+ pin_d4 = <&lcd_screen>,"data-gpios:4";
-+ pin_d5 = <&lcd_screen>,"data-gpios:16";
-+ pin_d6 = <&lcd_screen>,"data-gpios:28";
-+ pin_d7 = <&lcd_screen>,"data-gpios:40";
-+ pin_en = <&lcd_screen>,"enable-gpios:4";
-+ pin_rs = <&lcd_screen>,"rs-gpios:4";
-+ pin_bl = <0>,"+1", <&lcd_screen>,"backlight-gpios:4";
-+ display_height = <&lcd_screen>,"display-height-chars:0";
-+ display_width = <&lcd_screen>,"display-width-chars:0";
-+ };
-+
-+};