+++ /dev/null
-From 1b8ea7066ee06404e0148702bc3e85a191f6d867 Mon Sep 17 00:00:00 2001
-From: MikeDK <m.kaplan@evva.com>
-Date: Fri, 31 Jan 2020 12:45:43 +0100
-Subject: [PATCH] overlays: Add sh1106-spi and ssd1351-spi overlays
- (#3442)
-
-Add overlays for SH1106 and SSD1351 based OLED displays.
-SH1106 is present in many 1.3 inch OLEDs and SSD1351 is present in
-1.5 inch RGB OLEDs from AliExpress.
-
-This will load the staging fbtft drivers.
-
-Signed-off-by: Michael Kaplan <m.kaplan@evva.com>
----
- arch/arm/boot/dts/overlays/Makefile | 2 +
- arch/arm/boot/dts/overlays/README | 23 ++++++
- .../boot/dts/overlays/sh1106-spi-overlay.dts | 82 +++++++++++++++++++
- .../boot/dts/overlays/ssd1351-spi-overlay.dts | 81 ++++++++++++++++++
- 4 files changed, 188 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/sh1106-spi-overlay.dts
- create mode 100644 arch/arm/boot/dts/overlays/ssd1351-spi-overlay.dts
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -145,6 +145,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- sdhost.dtbo \
- sdio.dtbo \
- sdtweak.dtbo \
-+ sh1106-spi.dtbo \
- smi.dtbo \
- smi-dev.dtbo \
- smi-nand.dtbo \
-@@ -169,6 +170,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- spi6-2cs.dtbo \
- ssd1306.dtbo \
- ssd1306-spi.dtbo \
-+ ssd1351-spi.dtbo \
- superaudioboard.dtbo \
- sx150x.dtbo \
- tc358743.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -2145,6 +2145,18 @@ Params: overclock_50 Clock (i
- (default on)
-
-
-+Name: sh1106-spi
-+Info: Overlay for SH1106 OLED via SPI using fbtft staging driver.
-+Load: dtoverlay=sh1106-spi,<param>=<val>
-+Params: speed SPI bus speed (default 4000000)
-+ rotate Display rotation (0, 90, 180 or 270; default 0)
-+ fps Delay between frame updates (default 25)
-+ debug Debug output level (0-7; default 0)
-+ dc_pin GPIO pin for D/C (default 24)
-+ reset_pin GPIO pin for RESET (default 25)
-+ height Display height (32 or 64; default 64)
-+
-+
- Name: smi
- Info: Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25!
- Load: dtoverlay=smi
-@@ -2440,6 +2452,17 @@ Params: speed SPI bus
- height Display height (32 or 64; default 64)
-
-
-+Name: ssd1351-spi
-+Info: Overlay for SSD1351 OLED via SPI using fbtft staging driver.
-+Load: dtoverlay=ssd1351-spi,<param>=<val>
-+Params: speed SPI bus speed (default 4500000)
-+ rotate Display rotation (0, 90, 180 or 270; default 0)
-+ fps Delay between frame updates (default 25)
-+ debug Debug output level (0-7; default 0)
-+ dc_pin GPIO pin for D/C (default 24)
-+ reset_pin GPIO pin for RESET (default 25)
-+
-+
- Name: superaudioboard
- Info: Configures the SuperAudioBoard sound card
- Load: dtoverlay=superaudioboard,<param>=<val>
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/sh1106-spi-overlay.dts
-@@ -0,0 +1,82 @@
-+/*
-+ * Device Tree overlay for SH1106 based SPI OLED display
-+ *
-+ */
-+
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2835";
-+
-+ fragment@0 {
-+ target = <&spi0>;
-+ __overlay__ {
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target = <&spidev0>;
-+ __overlay__ {
-+ status = "disabled";
-+ };
-+ };
-+
-+ fragment@2 {
-+ target = <&spidev1>;
-+ __overlay__ {
-+ status = "disabled";
-+ };
-+ };
-+
-+ fragment@3 {
-+ target = <&gpio>;
-+ __overlay__ {
-+ sh1106_pins: sh1106_pins {
-+ brcm,pins = <25 24>;
-+ brcm,function = <1 1>; /* out out */
-+ };
-+ };
-+ };
-+
-+ fragment@4 {
-+ target = <&spi0>;
-+ __overlay__ {
-+ /* needed to avoid dtc warning */
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+
-+ sh1106: sh1106@0{
-+ compatible = "sinowealth,sh1106";
-+ reg = <0>;
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&sh1106_pins>;
-+
-+ spi-max-frequency = <4000000>;
-+ bgr = <0>;
-+ bpp = <1>;
-+ rotate = <0>;
-+ fps = <25>;
-+ buswidth = <8>;
-+ reset-gpios = <&gpio 25 0>;
-+ dc-gpios = <&gpio 24 0>;
-+ debug = <0>;
-+
-+ sinowealth,height = <64>;
-+ sinowealth,width = <128>;
-+ sinowealth,page-offset = <0>;
-+ };
-+ };
-+ };
-+
-+ __overrides__ {
-+ speed = <&sh1106>,"spi-max-frequency:0";
-+ rotate = <&sh1106>,"rotate:0";
-+ fps = <&sh1106>,"fps:0";
-+ debug = <&sh1106>,"debug:0";
-+ dc_pin = <&sh1106>,"dc-gpios:4>";
-+ reset_pin = <&sh1106>,"reset-gpios:4>";
-+ height = <&sh1106>,"sinowealth,height:0>";
-+ };
-+};
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/ssd1351-spi-overlay.dts
-@@ -0,0 +1,81 @@
-+/*
-+ * Device Tree overlay for SSD1351 based SPI OLED display
-+ *
-+ */
-+
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2835";
-+
-+ fragment@0 {
-+ target = <&spi0>;
-+ __overlay__ {
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target = <&spidev0>;
-+ __overlay__ {
-+ status = "disabled";
-+ };
-+ };
-+
-+ fragment@2 {
-+ target = <&spidev1>;
-+ __overlay__ {
-+ status = "disabled";
-+ };
-+ };
-+
-+ fragment@3 {
-+ target = <&gpio>;
-+ __overlay__ {
-+ ssd1351_pins: ssd1351_pins {
-+ brcm,pins = <25 24>;
-+ brcm,function = <1 1>; /* out out */
-+ };
-+ };
-+ };
-+
-+ fragment@4 {
-+ target = <&spi0>;
-+ __overlay__ {
-+ /* needed to avoid dtc warning */
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+
-+ ssd1351: ssd1351@0{
-+ compatible = "solomon,ssd1351";
-+ reg = <0>;
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&ssd1351_pins>;
-+
-+ spi-max-frequency = <4500000>;
-+ bgr = <0>;
-+ bpp = <16>;
-+ rotate = <0>;
-+ fps = <25>;
-+ buswidth = <8>;
-+ reset-gpios = <&gpio 25 0>;
-+ dc-gpios = <&gpio 24 0>;
-+ debug = <0>;
-+
-+ solomon,height = <128>;
-+ solomon,width = <128>;
-+ solomon,page-offset = <0>;
-+ };
-+ };
-+ };
-+
-+ __overrides__ {
-+ speed = <&ssd1351>,"spi-max-frequency:0";
-+ rotate = <&ssd1351>,"rotate:0";
-+ fps = <&ssd1351>,"fps:0";
-+ debug = <&ssd1351>,"debug:0";
-+ dc_pin = <&ssd1351>,"dc-gpios:4>";
-+ reset_pin = <&ssd1351>,"reset-gpios:4>";
-+ };
-+};
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