From mboxrd@z Thu Jan 1 00:00:00 1970 From: linus.walleij@linaro.org (Linus Walleij) Date: Mon, 22 Feb 2016 09:33:26 +0100 Subject: [PATCH] ARM: Ux500: add synaptics RMI4 for Ux500 TVK DT Message-ID: <1456130006-4169-1-git-send-email-linus.walleij@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- ARM SoC maintainers: please apply this patch directly for-next on some DT branch, I have no other Ux500 DT patches. These bindings are ACKed by Rob Herring in another thread so I think it's pointless to keep it out of tree. --- 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 at 80004000 { tc35893 at 44 { compatible = "toshiba,tc35893"; @@ -159,6 +158,33 @@ vddio-supply = <&db8500_vsmps2_reg>; }; }; + + i2c at 80110000 { + synaptics at 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 at 1 { + reg = <0x1>; + syna,nosleep = <1>; + }; + rmi-f11 at 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>; + }; + }; + }; }; }; }; -- 2.4.3