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add i2c2/i2c3 to R40

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This commit is contained in:
Martin Ayotte 2020-02-06 12:32:21 -05:00
parent 0dc58c1109
commit 03ae848dd1
2 changed files with 94 additions and 1 deletions
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39
patch/kernel/sunxi-dev/add-i2c2-i2c3-to-r40.patch Normal file
View file

@ -0,0 +1,39 @@
diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 421dfbb..dc61f3a 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -373,6 +399,16 @@
function = "i2c0";
};
+ i2c2_pins: i2c2-pins {
+ pins = "PB20", "PB21";
+ function = "i2c2";
+ };
+
+ i2c3_pins: i2c3-pins {
+ pins = "PI0", "PI1";
+ function = "i2c3";
+ };
+
mmc0_pins: mmc0-pins {
pins = "PF0", "PF1", "PF2",
"PF3", "PF4", "PF5";
@@ -539,6 +649,8 @@
interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_I2C2>;
resets = <&ccu RST_BUS_I2C2>;
+ pinctrl-0 = <&i2c2_pins>;
+ pinctrl-names = "default";
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;
@@ -550,6 +662,8 @@
interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_I2C3>;
resets = <&ccu RST_BUS_I2C3>;
+ pinctrl-0 = <&i2c3_pins>;
+ pinctrl-names = "default";
status = "disabled";
#address-cells = <1>;
#size-cells = <0>;

56
patch/kernel/sunxi-dev/general-sunxi-overlays.patch
View file

@ -13,7 +13,7 @@ new file mode 100644
index 0000000..39d6a27
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -0,0 +1,95 @@
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: GPL-2.0
+dtbo-$(CONFIG_MACH_SUN4I) += \
+ sun4i-a10-analog-codec.dtbo \
@ -93,6 +93,8 @@ index 0000000..39d6a27
+ sun8i-h3-usbhost2.dtbo \
+ sun8i-h3-usbhost3.dtbo \
+ sun8i-h3-w1-gpio.dtbo \
+ sun8i-r40-i2c2.dtbo \
+ sun8i-r40-i2c3.dtbo \
+ sun8i-r40-spi-spidev0.dtbo \
+ sun8i-r40-spi-spidev1.dtbo \
+ sun8i-r40-uart2.dtbo \
@ -4526,6 +4528,58 @@ index 0000000..f4ccb7f
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/overlay/sun8i-r40-i2c2.dts b/arch/arm/boot/dts/overlay/sun8i-r40-i2c2.dts
new file mode 100644
index 0000000..a1e3284
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun8i-r40-i2c2.dts
@@ -0,0 +1,20 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "allwinner,sun8i-h3";
+
+ fragment@0 {
+ target-path = "/aliases";
+ __overlay__ {
+ i2c2 = "/soc/i2c@1c2b400";
+ };
+ };
+
+ fragment@1 {
+ target = <&i2c2>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/overlay/sun8i-r40-i2c3.dts b/arch/arm/boot/dts/overlay/sun8i-r40-i2c3.dts
new file mode 100644
index 0000000..a1e3284
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/sun8i-r40-i2c3.dts
@@ -0,0 +1,20 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+ compatible = "allwinner,sun8i-h3";
+
+ fragment@0 {
+ target-path = "/aliases";
+ __overlay__ {
+ i2c3 = "/soc/i2c@1c2b800";
+ };
+ };
+
+ fragment@1 {
+ target = <&i2c3>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/overlay/sun8i-r40-spi-spidev0.dts b/arch/arm/boot/dts/overlay/sun8i-r40-spi-spidev0.dts
new file mode 100644
index 0000000..734a9a8