Re: [PATCH] ARM: Ux500: add synaptics RMI4 for Ux500 TVK DT

[Andrew Duggan <aduggan@synaptics.com>]

On 02/05/2016 04:38 AM, Linus Walleij wrote:
> This adds the Synaptics RMI4 touchscreen to the Ux500 TVK
> user interface board. Tested on the U8500 HREFv60plus with
> the TVK UIB.
>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Andrew Duggan <aduggan@synaptics.com>
> ---
> I will merge this through the ARM SoC tree, just looking for ACKs
> from Andrew et al, maybe an indication from Dmitry if the RMI4
> stuff will be merged so I can apply this too.
> ---
>   arch/arm/boot/dts/ste-href-tvk1281618.dtsi | 37 +++++++++++++++++++++++++++++-
>   1 file changed, 36 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/ste-href-tvk1281618.dtsi b/arch/arm/boot/dts/ste-href-tvk1281618.dtsi
> index b7b4211c5353..55f9d0cc90f3 100644
> --- a/arch/arm/boot/dts/ste-href-tvk1281618.dtsi
> +++ b/arch/arm/boot/dts/ste-href-tvk1281618.dtsi
> @@ -37,7 +37,6 @@
>   	};
>   
>   	soc {
> -		/* Add Synaptics touch screen, TC35893 keypad etc here */
>   		i2c@80004000 {
>   			tc35893@44 {
>   				compatible = "toshiba,tc35893";
> @@ -159,6 +158,33 @@
>   				vddio-supply = <&db8500_vsmps2_reg>;
>   			};
>   		};
> +
> +		i2c@80110000 {
> +			synaptics@4b {
> +				/* Synaptics RMI4 TM1217 touchscreen */
> +				compatible = "syna,rmi4-i2c";
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				reg = <0x4b>;
> +				vdd-supply = <&ab8500_ldo_aux1_reg>;
> +				vddio-supply = <&db8500_vsmps2_reg>;
> +				pinctrl-names = "default";
> +				pinctrl-0 = <&synaptics_tvk_mode>;
> +				interrupt-parent = <&gpio2>;
> +				interrupts = <20 IRQ_TYPE_EDGE_FALLING>;
> +
> +				rmi-f01@1 {
> +					reg = <0x1>;
> +					syna,nosleep = <1>;
> +				};
> +				rmi-f11@11 {
> +					reg = <0x11>;
> +					touchscreen-inverted-x;
> +					syna,sensor-type = <1>;
> +				};
> +			};
> +		};
> +
>   		pinctrl {
>   			/* Pull up this GPIO pin */
>   			tc35893 {
> @@ -212,6 +238,15 @@
>   					};
>   				};
>   			};
> +			synaptics {
> +				synaptics_tvk_mode: synaptics_tvk {
> +					/* Touchscreen uses GPIO 84 */
> +					tvk_cfg1 {
> +						pins = "GPIO84_C2";
> +						ste,config = <&gpio_in_pu>;
> +					};
> +				};
> +			};
>   		};
>   	};
>   };