Documentation for 'intel,8042' DT compatible node.
Signed-off-by: Tony Prisk <linux@xxxxxxxxxxxxxxx>
Signed-off-by: Roman Volkov <v1ron@xxxxxxxxx>
---
.../devicetree/bindings/input/intel-8042.txt | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/intel-8042.txt
diff --git a/Documentation/devicetree/bindings/input/intel-8042.txt b/Documentation/devicetree/bindings/input/intel-8042.txt
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+* Intel 8042 Keyboard Controller
+
+Required properties:
+- compatible: should be "intel,8042"
+- regs: memory for keyboard controller
+- interrupts: two interrupts should be specified (keyboard and aux)
+- command-reg: offset in memory for command register
+- status-reg: offset in memory for status register
+- data-reg: offset in memory for data register
+
+Optional properties:
+- init-reset: Controller should be reset on init and cleanup
+
+Optional Linux-specific properties:
+- linux,kbd_phys_desc: defaults to i8042/serio0
+- linux,aux_phys_desc: defaults to i8042/serio1
+- linux,mux_phys_desc: defaults to i8042/serio%d
+
+
+Example:
+ keyboard@d8008800 {
+ compatible = "intel,8042";
+ reg = <0xd8008800 0x100>;
+ interrupts = <23 4>;
+ command-reg = <0x04>;
+ status-reg = <0x04>;
+ data-reg = <0x00>;
+ mux-ports = <2>;
+ };
--
2.2.2
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