diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0968-overlays-Add-parameters-to-adafruit18-sainsmart18.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0968-overlays-Add-parameters-to-adafruit18-sainsmart18.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0968-overlays-Add-parameters-to-adafruit18-sainsmart18.patch b/target/linux/bcm27xx/patches-5.4/950-0968-overlays-Add-parameters-to-adafruit18-sainsmart18.patch new file mode 100644 index 0000000000..99ef611fe3 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0968-overlays-Add-parameters-to-adafruit18-sainsmart18.patch @@ -0,0 +1,94 @@ +From 9249fb1ac6b8bfcc0056fe2a871d4965b774c667 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Mon, 14 Sep 2020 15:48:16 +0100 +Subject: [PATCH] overlays: Add parameters to adafruit18, sainsmart18 + +Also fix polarity of the reset GPIO. + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/overlays/README | 13 +++++++++++++ + arch/arm/boot/dts/overlays/adafruit18-overlay.dts | 11 +++++++++-- + arch/arm/boot/dts/overlays/sainsmart18-overlay.dts | 10 ++++++++-- + 3 files changed, 30 insertions(+), 4 deletions(-) + +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -267,6 +267,13 @@ Info: Overlay for the SPI-connected Ad + Load: dtoverlay=adafruit18,<param>=<val> + Params: green Use the adafruit18_green variant. + rotate Display rotation {0,90,180,270} ++ speed SPI bus speed in Hz (default 4000000) ++ fps Display frame rate in Hz ++ bgr Enable BGR mode (default on) ++ debug Debug output level {0-7} ++ dc_pin GPIO pin for D/C (default 24) ++ reset_pin GPIO pin for RESET (default 25) ++ led_pin GPIO used to control backlight (default 18) + + + Name: adau1977-adc +@@ -2271,6 +2278,12 @@ Info: Overlay for the SPI-connected Sa + ST7735R chip). + Load: dtoverlay=sainsmart18,<param>=<val> + Params: rotate Display rotation {0,90,180,270} ++ speed SPI bus speed in Hz (default 4000000) ++ fps Display frame rate in Hz ++ bgr Enable BGR mode (default on) ++ debug Debug output level {0-7} ++ dc_pin GPIO pin for D/C (default 24) ++ reset_pin GPIO pin for RESET (default 25) + + + Name: sc16is750-i2c +--- a/arch/arm/boot/dts/overlays/adafruit18-overlay.dts ++++ b/arch/arm/boot/dts/overlays/adafruit18-overlay.dts +@@ -33,7 +33,7 @@ + fps = <50>; + height = <160>; + width = <128>; +- reset-gpios = <&gpio 25 0>; ++ reset-gpios = <&gpio 25 1>; + dc-gpios = <&gpio 24 0>; + led-gpios = <&gpio 18 0>; + bgr; +@@ -44,6 +44,13 @@ + + __overrides__ { + green = <&af18>, "compatible=fbtft,adafruit18_green"; +- rotate = <&af18>, "rotate:0"; ++ speed = <&af18>,"spi-max-frequency:0"; ++ rotate = <&af18>,"rotate:0"; ++ fps = <&af18>,"fps:0"; ++ bgr = <&af18>,"bgr?"; ++ debug = <&af18>,"debug:0"; ++ dc_pin = <&af18>,"dc-gpios:4"; ++ reset_pin = <&af18>,"reset-gpios:4"; ++ led_pin = <&af18>,"led-gpios:4"; + }; + }; +--- a/arch/arm/boot/dts/overlays/sainsmart18-overlay.dts ++++ b/arch/arm/boot/dts/overlays/sainsmart18-overlay.dts +@@ -33,7 +33,7 @@ + fps = <50>; + height = <160>; + width = <128>; +- reset-gpios = <&gpio 25 0>; ++ reset-gpios = <&gpio 25 1>; + dc-gpios = <&gpio 24 0>; + bgr; + debug = <0>; +@@ -42,6 +42,12 @@ + }; + + __overrides__ { +- rotate = <&ss18>, "rotate:0"; ++ speed = <&ss18>,"spi-max-frequency:0"; ++ rotate = <&ss18>,"rotate:0"; ++ fps = <&ss18>,"fps:0"; ++ bgr = <&ss18>,"bgr?"; ++ debug = <&ss18>,"debug:0"; ++ dc_pin = <&ss18>,"dc-gpios:4"; ++ reset_pin = <&ss18>,"reset-gpios:4"; + }; + }; |