openwrt/target/linux/brcm2708/patches-4.19/950-0560-overlays-Add-i2c3-6-and-uart2-5-overlays.patch

From 13be2bbd1a22f1b4d9fd260d80b561698f623ac1 Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Thu, 30 May 2019 16:44:24 +0100
Subject: [PATCH] overlays: Add i2c3-6 and uart2-5 overlays

Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
 arch/arm/boot/dts/overlays/Makefile          |  8 +++
 arch/arm/boot/dts/overlays/README            | 52 ++++++++++++++++++++
 arch/arm/boot/dts/overlays/i2c3-overlay.dts  | 27 ++++++++++
 arch/arm/boot/dts/overlays/i2c4-overlay.dts  | 27 ++++++++++
 arch/arm/boot/dts/overlays/i2c5-overlay.dts  | 27 ++++++++++
 arch/arm/boot/dts/overlays/i2c6-overlay.dts  | 27 ++++++++++
 arch/arm/boot/dts/overlays/uart2-overlay.dts | 27 ++++++++++
 arch/arm/boot/dts/overlays/uart3-overlay.dts | 27 ++++++++++
 arch/arm/boot/dts/overlays/uart4-overlay.dts | 27 ++++++++++
 arch/arm/boot/dts/overlays/uart5-overlay.dts | 27 ++++++++++
 10 files changed, 276 insertions(+)
 create mode 100644 arch/arm/boot/dts/overlays/i2c3-overlay.dts
 create mode 100644 arch/arm/boot/dts/overlays/i2c4-overlay.dts
 create mode 100644 arch/arm/boot/dts/overlays/i2c5-overlay.dts
 create mode 100644 arch/arm/boot/dts/overlays/i2c6-overlay.dts
 create mode 100644 arch/arm/boot/dts/overlays/uart2-overlay.dts
 create mode 100644 arch/arm/boot/dts/overlays/uart3-overlay.dts
 create mode 100644 arch/arm/boot/dts/overlays/uart4-overlay.dts
 create mode 100644 arch/arm/boot/dts/overlays/uart5-overlay.dts

--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -65,6 +65,10 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	i2c-sensor.dtbo \
 	i2c0-bcm2708.dtbo \
 	i2c1-bcm2708.dtbo \
+	i2c3.dtbo \
+	i2c4.dtbo \
+	i2c5.dtbo \
+	i2c6.dtbo \
 	i2s-gpio28-31.dtbo \
 	ilitek251x.dtbo \
 	iqaudio-codec.dtbo \
@@ -149,6 +153,10 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
 	tpm-slb9670.dtbo \
 	uart0.dtbo \
 	uart1.dtbo \
+	uart2.dtbo \
+	uart3.dtbo \
+	uart4.dtbo \
+	uart5.dtbo \
 	udrc.dtbo \
 	upstream.dtbo \
 	vc4-fkms-v3d.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1137,6 +1137,34 @@ Params: sda1_pin                GPIO pin
                                 "yes")
 
 
+Name:   i2c3
+Info:   Enable the i2c3 bus
+Load:   dtoverlay=i2c3,<param>
+Params: pins_2_3                Use GPIOs 2 and 3
+        pins_4_5                Use GPIOs 4 and 5 (default)
+
+
+Name:   i2c4
+Info:   Enable the i2c4 bus
+Load:   dtoverlay=i2c4,<param>
+Params: pins_6_7                Use GPIOs 6 and 7
+        pins_8_9                Use GPIOs 8 and 9 (default)
+
+
+Name:   i2c5
+Info:   Enable the i2c5 bus
+Load:   dtoverlay=i2c5,<param>
+Params: pins_10_11              Use GPIOs 10 and 11
+        pins_12_13              Use GPIOs 12 and 13 (default)
+
+
+Name:   i2c6
+Info:   Enable the i2c6 bus
+Load:   dtoverlay=i2c6,<param>
+Params: pins_0_1                Use GPIOs 0 and 1
+        pins_22_23              Use GPIOs 22 and 23 (default)
+
+
 Name:   i2s-gpio28-31
 Info:   move I2S function block to GPIO 28 to 31
 Load:   dtoverlay=i2s-gpio28-31
@@ -2199,6 +2227,30 @@ Params: txd1_pin                GPIO pin
         rxd1_pin                GPIO pin for RXD1 (15, 33 or 41 - default 15)
 
 
+Name:   uart2
+Info:   Enable uart 2 on GPIOs 0-3
+Load:   dtoverlay=uart2,<param>
+Params: ctsrts                  Enable CTS/RTS on GPIOs 2-3 (default off)
+
+
+Name:   uart3
+Info:   Enable uart 3 on GPIOs 4-7
+Load:   dtoverlay=uart3,<param>
+Params: ctsrts                  Enable CTS/RTS on GPIOs 6-7 (default off)
+
+
+Name:   uart4
+Info:   Enable uart 4 on GPIOs 8-11
+Load:   dtoverlay=uart4,<param>
+Params: ctsrts                  Enable CTS/RTS on GPIOs 10-11 (default off)
+
+
+Name:   uart5
+Info:   Enable uart 5 on GPIOs 12-15
+Load:   dtoverlay=uart5,<param>
+Params: ctsrts                  Enable CTS/RTS on GPIOs 14-15 (default off)
+
+
 Name:   udrc
 Info:   Configures the NW Digital Radio UDRC Hat
 Load:   dtoverlay=udrc,<param>=<val>
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/i2c3-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&i2c3>;
+		__overlay__ {
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c3_pins>;
+		};
+	};
+
+	fragment@1 {
+		target = <&i2c3_pins>;
+		__dormant__ {
+			brcm,pins = <2 3>;
+		};
+	};
+
+	__overrides__ {
+		pins_2_3 = <0>,"=1";
+		pins_4_5 = <0>,"!1";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/i2c4-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&i2c4>;
+		__overlay__ {
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c4_pins>;
+		};
+	};
+
+	fragment@1 {
+		target = <&i2c4_pins>;
+		__dormant__ {
+			brcm,pins = <6 7>;
+		};
+	};
+
+	__overrides__ {
+		pins_6_7 = <0>,"=1";
+		pins_8_9 = <0>,"!1";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/i2c5-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&i2c5>;
+		__overlay__ {
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c5_pins>;
+		};
+	};
+
+	fragment@1 {
+		target = <&i2c5_pins>;
+		__dormant__ {
+			brcm,pins = <10 11>;
+		};
+	};
+
+	__overrides__ {
+		pins_10_11 = <0>,"=1";
+		pins_12_13 = <0>,"!1";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/i2c6-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&i2c6>;
+		__overlay__ {
+			status = "okay";
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c6_pins>;
+		};
+	};
+
+	fragment@1 {
+		target = <&i2c6_pins>;
+		__dormant__ {
+			brcm,pins = <0 1>;
+		};
+	};
+
+	__overrides__ {
+		pins_0_1 = <0>,"=1";
+		pins_22_23 = <0>,"!1";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/uart2-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&uart2>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart2_pins>;
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&uart2_pins>;
+		__dormant__ {
+			brcm,pins = <0 1 2 3>;
+			brcm,pull = <0 2 2 0>;
+		};
+	};
+
+	__overrides__ {
+		ctsrts = <0>,"=1";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/uart3-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&uart3>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart3_pins>;
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&uart3_pins>;
+		__dormant__ {
+			brcm,pins = <4 5 6 7>;
+			brcm,pull = <0 2 2 0>;
+		};
+	};
+
+	__overrides__ {
+		ctsrts = <0>,"=1";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/uart4-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&uart4>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart4_pins>;
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&uart4_pins>;
+		__dormant__ {
+			brcm,pins = <8 9 10 11>;
+			brcm,pull = <0 2 2 0>;
+		};
+	};
+
+	__overrides__ {
+		ctsrts = <0>,"=1";
+	};
+};
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/uart5-overlay.dts
@@ -0,0 +1,27 @@
+/dts-v1/;
+/plugin/;
+
+/{
+	compatible = "brcm,bcm2838";
+
+	fragment@0 {
+		target = <&uart5>;
+		__overlay__ {
+			pinctrl-names = "default";
+			pinctrl-0 = <&uart5_pins>;
+			status = "okay";
+		};
+	};
+
+	fragment@1 {
+		target = <&uart5_pins>;
+		__dormant__ {
+			brcm,pins = <12 13 14 15>;
+			brcm,pull = <0 2 2 0>;
+		};
+	};
+
+	__overrides__ {
+		ctsrts = <0>,"=1";
+	};
+};