ARM: tegra: Enable Venice2 keyboard

The keyboard on Venice2 is attached to the ChromeOS embedded controller.
Add the corresponding device tree nodes and use the MATRIX_KEY define to
encode keycodes.

Signed-off-by: Rhyland Klein <rklein@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index e6b3e97..ab7ca65 100644 (file)
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -1,5 +1,6 @@
 /dts-v1/;
 
+#include <dt-bindings/input/input.h>
 #include "tegra124.dtsi"
 
 / {
@@ -805,6 +806,112 @@
                };
        };
 
+       spi@7000d400 {
+               status = "okay";
+
+               cros-ec@0 {
+                       compatible = "google,cros-ec-spi";
+                       spi-max-frequency = <4000000>;
+                       interrupt-parent = <&gpio>;
+                       interrupts = <TEGRA_GPIO(C, 7) IRQ_TYPE_LEVEL_LOW>;
+                       reg = <0>;
+
+                       google,cros-ec-spi-msg-delay = <2000>;
+
+                       cros-ec-keyb {
+                               compatible = "google,cros-ec-keyb";
+                               keypad,num-rows = <8>;
+                               keypad,num-columns = <13>;
+                               google,needs-ghost-filter;
+
+                               linux,keymap = <
+                                       MATRIX_KEY(0x00, 0x01, KEY_LEFTMETA)
+                                       MATRIX_KEY(0x00, 0x02, KEY_F1)
+                                       MATRIX_KEY(0x00, 0x03, KEY_B)
+                                       MATRIX_KEY(0x00, 0x04, KEY_F10)
+                                       MATRIX_KEY(0x00, 0x06, KEY_N)
+                                       MATRIX_KEY(0x00, 0x08, KEY_EQUAL)
+                                       MATRIX_KEY(0x00, 0x0a, KEY_RIGHTALT)
+
+                                       MATRIX_KEY(0x01, 0x01, KEY_ESC)
+                                       MATRIX_KEY(0x01, 0x02, KEY_F4)
+                                       MATRIX_KEY(0x01, 0x03, KEY_G)
+                                       MATRIX_KEY(0x01, 0x04, KEY_F7)
+                                       MATRIX_KEY(0x01, 0x06, KEY_H)
+                                       MATRIX_KEY(0x01, 0x08, KEY_APOSTROPHE)
+                                       MATRIX_KEY(0x01, 0x09, KEY_F9)
+                                       MATRIX_KEY(0x01, 0x0b, KEY_BACKSPACE)
+
+                                       MATRIX_KEY(0x02, 0x00, KEY_LEFTCTRL)
+                                       MATRIX_KEY(0x02, 0x01, KEY_TAB)
+                                       MATRIX_KEY(0x02, 0x02, KEY_F3)
+                                       MATRIX_KEY(0x02, 0x03, KEY_T)
+                                       MATRIX_KEY(0x02, 0x04, KEY_F6)
+                                       MATRIX_KEY(0x02, 0x05, KEY_RIGHTBRACE)
+                                       MATRIX_KEY(0x02, 0x06, KEY_Y)
+                                       MATRIX_KEY(0x02, 0x07, KEY_102ND)
+                                       MATRIX_KEY(0x02, 0x08, KEY_LEFTBRACE)
+                                       MATRIX_KEY(0x02, 0x09, KEY_F8)
+
+                                       MATRIX_KEY(0x03, 0x01, KEY_GRAVE)
+                                       MATRIX_KEY(0x03, 0x02, KEY_F2)
+                                       MATRIX_KEY(0x03, 0x03, KEY_5)
+                                       MATRIX_KEY(0x03, 0x04, KEY_F5)
+                                       MATRIX_KEY(0x03, 0x06, KEY_6)
+                                       MATRIX_KEY(0x03, 0x08, KEY_MINUS)
+                                       MATRIX_KEY(0x03, 0x0b, KEY_BACKSLASH)
+
+                                       MATRIX_KEY(0x04, 0x00, KEY_RIGHTCTRL)
+                                       MATRIX_KEY(0x04, 0x01, KEY_A)
+                                       MATRIX_KEY(0x04, 0x02, KEY_D)
+                                       MATRIX_KEY(0x04, 0x03, KEY_F)
+                                       MATRIX_KEY(0x04, 0x04, KEY_S)
+                                       MATRIX_KEY(0x04, 0x05, KEY_K)
+                                       MATRIX_KEY(0x04, 0x06, KEY_J)
+                                       MATRIX_KEY(0x04, 0x08, KEY_SEMICOLON)
+                                       MATRIX_KEY(0x04, 0x09, KEY_L)
+                                       MATRIX_KEY(0x04, 0x0a, KEY_BACKSLASH)
+                                       MATRIX_KEY(0x04, 0x0b, KEY_ENTER)
+
+                                       MATRIX_KEY(0x05, 0x01, KEY_Z)
+                                       MATRIX_KEY(0x05, 0x02, KEY_C)
+                                       MATRIX_KEY(0x05, 0x03, KEY_V)
+                                       MATRIX_KEY(0x05, 0x04, KEY_X)
+                                       MATRIX_KEY(0x05, 0x05, KEY_COMMA)
+                                       MATRIX_KEY(0x05, 0x06, KEY_M)
+                                       MATRIX_KEY(0x05, 0x07, KEY_LEFTSHIFT)
+                                       MATRIX_KEY(0x05, 0x08, KEY_SLASH)
+                                       MATRIX_KEY(0x05, 0x09, KEY_DOT)
+                                       MATRIX_KEY(0x05, 0x0b, KEY_SPACE)
+
+                                       MATRIX_KEY(0x06, 0x01, KEY_1)
+                                       MATRIX_KEY(0x06, 0x02, KEY_3)
+                                       MATRIX_KEY(0x06, 0x03, KEY_4)
+                                       MATRIX_KEY(0x06, 0x04, KEY_2)
+                                       MATRIX_KEY(0x06, 0x05, KEY_8)
+                                       MATRIX_KEY(0x06, 0x06, KEY_7)
+                                       MATRIX_KEY(0x06, 0x08, KEY_0)
+                                       MATRIX_KEY(0x06, 0x09, KEY_9)
+                                       MATRIX_KEY(0x06, 0x0a, KEY_LEFTALT)
+                                       MATRIX_KEY(0x06, 0x0b, KEY_DOWN)
+                                       MATRIX_KEY(0x06, 0x0c, KEY_RIGHT)
+
+                                       MATRIX_KEY(0x07, 0x01, KEY_Q)
+                                       MATRIX_KEY(0x07, 0x02, KEY_E)
+                                       MATRIX_KEY(0x07, 0x03, KEY_R)
+                                       MATRIX_KEY(0x07, 0x04, KEY_W)
+                                       MATRIX_KEY(0x07, 0x05, KEY_I)
+                                       MATRIX_KEY(0x07, 0x06, KEY_U)
+                                       MATRIX_KEY(0x07, 0x07, KEY_RIGHTSHIFT)
+                                       MATRIX_KEY(0x07, 0x08, KEY_P)
+                                       MATRIX_KEY(0x07, 0x09, KEY_O)
+                                       MATRIX_KEY(0x07, 0x0b, KEY_UP)
+                                       MATRIX_KEY(0x07, 0x0c, KEY_LEFT)
+                               >;
+                       };
+               };
+       };
+
        pmc@7000e400 {
                nvidia,invert-interrupt;
                nvidia,suspend-mode = <1>;