| 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"; |
| }; |
| }; |