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7d7aa2fd92
This change makes the names of Broadcom targets consistent by using the common notation based on SoC/CPU ID (which is used internally anyway), bcmXXXX instead of brcmXXXX. This is even used for target TITLE in make menuconfig already, only the short target name used brcm so far. Despite, since subtargets range from bcm2708 to bcm2711, it seems appropriate to use bcm27xx instead of bcm2708 (again, as already done for BOARDNAME). This also renames the packages brcm2708-userland and brcm2708-gpu-fw. Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>
249 lines
6.2 KiB
Diff
249 lines
6.2 KiB
Diff
From 1b8ea7066ee06404e0148702bc3e85a191f6d867 Mon Sep 17 00:00:00 2001
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From: MikeDK <m.kaplan@evva.com>
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Date: Fri, 31 Jan 2020 12:45:43 +0100
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Subject: [PATCH] overlays: Add sh1106-spi and ssd1351-spi overlays
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(#3442)
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Add overlays for SH1106 and SSD1351 based OLED displays.
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SH1106 is present in many 1.3 inch OLEDs and SSD1351 is present in
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1.5 inch RGB OLEDs from AliExpress.
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This will load the staging fbtft drivers.
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Signed-off-by: Michael Kaplan <m.kaplan@evva.com>
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---
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arch/arm/boot/dts/overlays/Makefile | 2 +
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arch/arm/boot/dts/overlays/README | 23 ++++++
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.../boot/dts/overlays/sh1106-spi-overlay.dts | 82 +++++++++++++++++++
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.../boot/dts/overlays/ssd1351-spi-overlay.dts | 81 ++++++++++++++++++
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4 files changed, 188 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/sh1106-spi-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/ssd1351-spi-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -145,6 +145,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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sdhost.dtbo \
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sdio.dtbo \
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sdtweak.dtbo \
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+ sh1106-spi.dtbo \
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smi.dtbo \
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smi-dev.dtbo \
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smi-nand.dtbo \
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@@ -169,6 +170,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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spi6-2cs.dtbo \
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ssd1306.dtbo \
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ssd1306-spi.dtbo \
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+ ssd1351-spi.dtbo \
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superaudioboard.dtbo \
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sx150x.dtbo \
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tc358743.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2145,6 +2145,18 @@ Params: overclock_50 Clock (i
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(default on)
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+Name: sh1106-spi
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+Info: Overlay for SH1106 OLED via SPI using fbtft staging driver.
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+Load: dtoverlay=sh1106-spi,<param>=<val>
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+Params: speed SPI bus speed (default 4000000)
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+ rotate Display rotation (0, 90, 180 or 270; default 0)
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+ fps Delay between frame updates (default 25)
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+ debug Debug output level (0-7; default 0)
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+ dc_pin GPIO pin for D/C (default 24)
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+ reset_pin GPIO pin for RESET (default 25)
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+ height Display height (32 or 64; default 64)
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+
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+
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Name: smi
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Info: Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25!
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Load: dtoverlay=smi
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@@ -2440,6 +2452,17 @@ Params: speed SPI bus
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height Display height (32 or 64; default 64)
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+Name: ssd1351-spi
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+Info: Overlay for SSD1351 OLED via SPI using fbtft staging driver.
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+Load: dtoverlay=ssd1351-spi,<param>=<val>
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+Params: speed SPI bus speed (default 4500000)
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+ rotate Display rotation (0, 90, 180 or 270; default 0)
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+ fps Delay between frame updates (default 25)
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+ debug Debug output level (0-7; default 0)
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+ dc_pin GPIO pin for D/C (default 24)
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+ reset_pin GPIO pin for RESET (default 25)
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+
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+
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Name: superaudioboard
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Info: Configures the SuperAudioBoard sound card
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Load: dtoverlay=superaudioboard,<param>=<val>
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/sh1106-spi-overlay.dts
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@@ -0,0 +1,82 @@
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+/*
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+ * Device Tree overlay for SH1106 based SPI OLED display
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+ *
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+ */
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+
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&spidev0>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spidev1>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ sh1106_pins: sh1106_pins {
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+ brcm,pins = <25 24>;
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+ brcm,function = <1 1>; /* out out */
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+ };
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+ };
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+ };
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+
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+ fragment@4 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ /* needed to avoid dtc warning */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ sh1106: sh1106@0{
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+ compatible = "sinowealth,sh1106";
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+ reg = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sh1106_pins>;
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+
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+ spi-max-frequency = <4000000>;
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+ bgr = <0>;
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+ bpp = <1>;
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+ rotate = <0>;
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+ fps = <25>;
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+ buswidth = <8>;
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+ reset-gpios = <&gpio 25 0>;
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+ dc-gpios = <&gpio 24 0>;
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+ debug = <0>;
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+
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+ sinowealth,height = <64>;
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+ sinowealth,width = <128>;
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+ sinowealth,page-offset = <0>;
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+ };
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+ };
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+ };
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+
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+ __overrides__ {
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+ speed = <&sh1106>,"spi-max-frequency:0";
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+ rotate = <&sh1106>,"rotate:0";
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+ fps = <&sh1106>,"fps:0";
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+ debug = <&sh1106>,"debug:0";
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+ dc_pin = <&sh1106>,"dc-gpios:4>";
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+ reset_pin = <&sh1106>,"reset-gpios:4>";
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+ height = <&sh1106>,"sinowealth,height:0>";
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+ };
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+};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/ssd1351-spi-overlay.dts
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@@ -0,0 +1,81 @@
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+/*
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+ * Device Tree overlay for SSD1351 based SPI OLED display
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+ *
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+ */
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+
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2835";
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+
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+ fragment@0 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&spidev0>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spidev1>;
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ ssd1351_pins: ssd1351_pins {
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+ brcm,pins = <25 24>;
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+ brcm,function = <1 1>; /* out out */
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+ };
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+ };
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+ };
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+
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+ fragment@4 {
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+ target = <&spi0>;
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+ __overlay__ {
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+ /* needed to avoid dtc warning */
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ ssd1351: ssd1351@0{
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+ compatible = "solomon,ssd1351";
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+ reg = <0>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&ssd1351_pins>;
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+
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+ spi-max-frequency = <4500000>;
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+ bgr = <0>;
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+ bpp = <16>;
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+ rotate = <0>;
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+ fps = <25>;
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+ buswidth = <8>;
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+ reset-gpios = <&gpio 25 0>;
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+ dc-gpios = <&gpio 24 0>;
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+ debug = <0>;
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+
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+ solomon,height = <128>;
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+ solomon,width = <128>;
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+ solomon,page-offset = <0>;
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+ };
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+ };
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+ };
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+
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+ __overrides__ {
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+ speed = <&ssd1351>,"spi-max-frequency:0";
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+ rotate = <&ssd1351>,"rotate:0";
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+ fps = <&ssd1351>,"fps:0";
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+ debug = <&ssd1351>,"debug:0";
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+ dc_pin = <&ssd1351>,"dc-gpios:4>";
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+ reset_pin = <&ssd1351>,"reset-gpios:4>";
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+ };
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+};
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