i.MX6SL EVK board has a 3*3 keypad matrix to support 8 keypads, enable them, the keymap is as below: SW6: MATRIX_KEY(0x0, 0x0, 0x67) /* ROW0, COL0, KEY_UP */ SW7: MATRIX_KEY(0x0, 0x1, 0x6c) /* ROW0, COL1, KEY_DOWN */ SW8: MATRIX_KEY(0x0, 0x2, 0x1c) /* ROW0, COL2, KEY_ENTER */ SW9: MATRIX_KEY(0x1, 0x0, 0x66) /* ROW1, COL0, KEY_HOME */ SW10: MATRIX_KEY(0x1, 0x1, 0x6a) /* ROW1, COL1, KEY_RIGHT */ SW11: MATRIX_KEY(0x1, 0x2, 0x69) /* ROW1, COL2, KEY_LEFT */ SW12: MATRIX_KEY(0x2, 0x0, 0x72) /* ROW2, COL0, KEY_VOLUMEDOWN */ SW13: MATRIX_KEY(0x2, 0x1, 0x73) /* ROW2, COL1, KEY_VOLUMEUP */ Signed-off-by: Anson Huang <b20788@xxxxxxxxxxxxx> --- arch/arm/boot/dts/imx6sl-evk.dts | 28 ++++++++++++++++++++++++++++ arch/arm/boot/dts/imx6sl.dtsi | 2 ++ 2 files changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts index f5e4513..a2a0399 100644 --- a/arch/arm/boot/dts/imx6sl-evk.dts +++ b/arch/arm/boot/dts/imx6sl-evk.dts @@ -8,6 +8,7 @@ /dts-v1/; +#include <dt-bindings/input/input.h> #include "imx6sl.dtsi" / { @@ -93,6 +94,17 @@ fsl,pins = <MX6SL_FEC_PINGRP1>; }; + pinctrl_kpp: kppgrp { + fsl,pins = < + MX6SL_PAD_KEY_ROW0__KEY_ROW0 0x1b010 + MX6SL_PAD_KEY_ROW1__KEY_ROW1 0x1b010 + MX6SL_PAD_KEY_ROW2__KEY_ROW2 0x1b0b0 + MX6SL_PAD_KEY_COL0__KEY_COL0 0x110b0 + MX6SL_PAD_KEY_COL1__KEY_COL1 0x110b0 + MX6SL_PAD_KEY_COL2__KEY_COL2 0x110b0 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = <MX6SL_UART1_PINGRP1>; }; @@ -139,6 +151,22 @@ }; }; +&kpp { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_kpp>; + linux,keymap = < + MATRIX_KEY(0x0, 0x0, 0x67) /* ROW0, COL0, KEY_UP */ + MATRIX_KEY(0x0, 0x1, 0x6c) /* ROW0, COL1, KEY_DOWN */ + MATRIX_KEY(0x0, 0x2, 0x1c) /* ROW0, COL2, KEY_ENTER */ + MATRIX_KEY(0x1, 0x0, 0x66) /* ROW1, COL0, KEY_HOME */ + MATRIX_KEY(0x1, 0x1, 0x6a) /* ROW1, COL1, KEY_RIGHT */ + MATRIX_KEY(0x1, 0x2, 0x69) /* ROW1, COL2, KEY_LEFT */ + MATRIX_KEY(0x2, 0x0, 0x72) /* ROW2, COL0, KEY_VOLUMEDOWN */ + MATRIX_KEY(0x2, 0x1, 0x73) /* ROW2, COL1, KEY_VOLUMEUP */ + >; + status = "okay"; +}; + &uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; diff --git a/arch/arm/boot/dts/imx6sl.dtsi b/arch/arm/boot/dts/imx6sl.dtsi index a5ef3c3..a449c4f 100644 --- a/arch/arm/boot/dts/imx6sl.dtsi +++ b/arch/arm/boot/dts/imx6sl.dtsi @@ -393,8 +393,10 @@ }; kpp: kpp@020b8000 { + compatible = "fsl,imx6sl-kpp", "fsl,imx21-kpp"; reg = <0x020b8000 0x4000>; interrupts = <0 82 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6SL_CLK_DUMMY>; }; wdog1: wdog@020bc000 { -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html