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Subject[PATCHv2 3/3] ARM:dts:sunxi:ps2 dt nodes for A10/A20 PS2 controller.
Date
 Added ps2 nodes in lime2 board dts. By default ps20 and ps21 nodes are
commented as ps20 pins conflict with HDMI connector
on Lime2 Board.

Signed-off-by: vishnupatekar <VishnuPatekar0510@gmail.com>
---
arch/arm/boot/dts/sun4i-a10.dtsi | 27 +++++++++++++++++++++
arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts | 13 ++++++++++
arch/arm/boot/dts/sun7i-a20.dtsi | 29 +++++++++++++++++++++++
3 files changed, 69 insertions(+)

diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 5e2ec2d..4726e8d 100644
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -615,6 +615,19 @@
allwinner,drive = <0>;
allwinner,pull = <0>;
};
+ ps2_0_pins: ps2_0@0 {
+ allwinner,pins = "PI20","PI21";
+ allwinner,function = "ps2";
+ allwinner,drive = <0>;
+ allwinner,pull = <0>;
+ };
+ ps2_1_pins: ps2_1@0 {
+ allwinner,pins = "PH12","PH13";
+ allwinner,function = "ps2";
+ allwinner,drive = <0>;
+ allwinner,pull = <0>;
+ };
+
};

timer@01c20c00 {
@@ -781,5 +794,19 @@
#address-cells = <1>;
#size-cells = <0>;
};
+ ps20: ps2@0x01c2a000 {
+ compatible = "allwinner,sun4i-a10-ps2";
+ reg = <0x01c2a000 0x400>;
+ interrupts = <0 62 4>;
+ clocks = <&apb1_gates 6>;
+ status = "disabled";
+ };
+ ps21: ps2@0x01c2a400 {
+ compatible = "allwinner,sun4i-a10-ps2";
+ reg = <0x01c2a400 0x400>;
+ interrupts = <0 63 4>;
+ clocks = <&apb1_gates 7>;
+ status = "disabled";
+ };
};
};
diff --git a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
index ed364d5..5624e63 100644
--- a/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
+++ b/arch/arm/boot/dts/sun7i-a20-olinuxino-lime2.dts
@@ -112,6 +112,19 @@
pinctrl-0 = <&uart0_pins_a>;
status = "okay";
};
+ /* PS2 0 and PS2 1 are disabled by default
+ To enable PS2 0 and PS2 1 uncomment below ps20 and ps21 nodes
+ Please note that ps20 pins conflict with HDMI on Lime2 Board*/
+ /*ps20: ps2@0x01c2a000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ps2_0_pins>;
+ status = "okay";
+ };
+ ps21: ps2@0x01c2a400 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ps2_1_pins>;
+ status = "okay";
+ };*/

i2c0: i2c@01c2ac00 {
pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 8605f2b..96fe37d 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -852,6 +852,19 @@
allwinner,drive = <0>;
allwinner,pull = <0>;
};
+ ps2_0_pins: ps2_0@0 {
+ allwinner,pins = "PI20","PI21";
+ allwinner,function = "ps2";
+ allwinner,drive = <0>;
+ allwinner,pull = <0>;
+ };
+ ps2_1_pins: ps2_1@0 {
+ allwinner,pins = "PH12","PH13";
+ allwinner,function = "ps2";
+ allwinner,drive = <0>;
+ allwinner,pull = <0>;
+ };
+
};

timer@01c20c00 {
@@ -1079,5 +1092,21 @@
#interrupt-cells = <3>;
interrupts = <1 9 0xf04>;
};
+ ps20: ps2@0x01c2a000 {
+ compatible = "allwinner,sun7i-a20-ps2";
+ reg = <0x01c2a000 0x400>;
+ interrupts = <0 62 4>;
+ clocks = <&apb1_gates 6>;
+ status = "disabled";
+ };
+ ps21: ps2@0x01c2a400 {
+ compatible = "allwinner,sun7i-a20-ps2";
+ reg = <0x01c2a400 0x400>;
+ interrupts = <0 63 4>;
+ clocks = <&apb1_gates 7>;
+ status = "disabled";
+ };
+
+
};
};
--
1.7.9.5


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