From f07e572f6447465d8938679533d604e402b0f066 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 18 Feb 2021 18:04:33 +0100 Subject: bcm27xx: import latest patches from the RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas --- ...s-Add-adafruit18-and-sainsmart18-overlays.patch | 169 +++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0961-overlays-Add-adafruit18-and-sainsmart18-overlays.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0961-overlays-Add-adafruit18-and-sainsmart18-overlays.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0961-overlays-Add-adafruit18-and-sainsmart18-overlays.patch b/target/linux/bcm27xx/patches-5.4/950-0961-overlays-Add-adafruit18-and-sainsmart18-overlays.patch new file mode 100644 index 0000000000..986ddd49b5 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0961-overlays-Add-adafruit18-and-sainsmart18-overlays.patch @@ -0,0 +1,169 @@ +From dde4afa87452e8499c611c9a889f4c5f35d9e2bb Mon Sep 17 00:00:00 2001 +From: Phil Elwell +Date: Thu, 3 Sep 2020 17:36:00 +0100 +Subject: [PATCH] overlays: Add adafruit18 and sainsmart18 overlays + +Add support for three ST7735R-based displays - adafruit18, +adafruit18_green and sainsmart18. + +Signed-off-by: Phil Elwell +--- + arch/arm/boot/dts/overlays/Makefile | 2 + + arch/arm/boot/dts/overlays/README | 15 ++++++ + .../boot/dts/overlays/adafruit18-overlay.dts | 49 +++++++++++++++++++ + .../boot/dts/overlays/sainsmart18-overlay.dts | 47 ++++++++++++++++++ + 4 files changed, 113 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/adafruit18-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/sainsmart18-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_BCM2835) += overlay_ma + + dtbo-$(CONFIG_ARCH_BCM2835) += \ + act-led.dtbo \ ++ adafruit18.dtbo \ + adau1977-adc.dtbo \ + adau7002-simple.dtbo \ + ads1015.dtbo \ +@@ -147,6 +148,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + rpi-tv.dtbo \ + rpivid-v4l2.dtbo \ + rra-digidac1-wm8741-audio.dtbo \ ++ sainsmart18.dtbo \ + sc16is750-i2c.dtbo \ + sc16is752-i2c.dtbo \ + sc16is752-spi0.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -261,6 +261,14 @@ Params: activelow Set to " + REQUIRED + + ++Name: adafruit18 ++Info: Overlay for the SPI-connected Adafruit 1.8" display (based on the ++ ST7735R chip). It includes support for the "green tab" version. ++Load: dtoverlay=adafruit18,= ++Params: green Use the adafruit18_green variant. ++ rotate Display rotation {0,90,180,270} ++ ++ + Name: adau1977-adc + Info: Overlay for activation of ADAU1977 ADC codec over I2C for control + and I2S for data. +@@ -2251,6 +2259,13 @@ Load: dtoverlay=rra-digidac1-wm8741-au + Params: + + ++Name: sainsmart18 ++Info: Overlay for the SPI-connected Sainsmart 1.8" display (based on the ++ ST7735R chip). ++Load: dtoverlay=sainsmart18,= ++Params: rotate Display rotation {0,90,180,270} ++ ++ + Name: sc16is750-i2c + Info: Overlay for the NXP SC16IS750 UART with I2C Interface + Enables the chip on I2C1 at 0x48 (or the "addr" parameter value). To +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/adafruit18-overlay.dts +@@ -0,0 +1,49 @@ ++/* ++ * Device Tree overlay for Adafruit 1.8" TFT LCD with ST7735R chip 160x128 ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835"; ++ ++ fragment@0 { ++ target = <&spidev0>; ++ __overlay__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi0>; ++ __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ af18: adafruit18@0 { ++ compatible = "fbtft,adafruit18"; ++ reg = <0>; ++ pinctrl-names = "default"; ++ spi-max-frequency = <40000000>; ++ rotate = <90>; ++ buswidth = <8>; ++ fps = <50>; ++ height = <160>; ++ width = <128>; ++ reset-gpios = <&gpio 25 0>; ++ dc-gpios = <&gpio 24 0>; ++ led-gpios = <&gpio 18 0>; ++ bgr; ++ debug = <0>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ green = <&af18>, "compatible=fbtft,adafruit18_green"; ++ rotate = <&af18>, "rotate:0"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/sainsmart18-overlay.dts +@@ -0,0 +1,47 @@ ++/* ++ * Device Tree overlay for the Sainsmart 1.8" TFT LCD with ST7735R chip 160x128 ++ */ ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835"; ++ ++ fragment@0 { ++ target = <&spidev0>; ++ __overlay__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi0>; ++ __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ status = "okay"; ++ ++ ss18: sainsmart18@0 { ++ compatible = "fbtft,sainsmart18"; ++ reg = <0>; ++ pinctrl-names = "default"; ++ spi-max-frequency = <40000000>; ++ rotate = <90>; ++ buswidth = <8>; ++ fps = <50>; ++ height = <160>; ++ width = <128>; ++ reset-gpios = <&gpio 25 0>; ++ dc-gpios = <&gpio 24 0>; ++ bgr; ++ debug = <0>; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ rotate = <&ss18>, "rotate:0"; ++ }; ++}; -- cgit v1.2.3