From d09e6beafa231c0fb160c3b2bd4c03bef8429a72 Mon Sep 17 00:00:00 2001 From: Diego Dorta Date: Wed, 22 Jun 2016 16:37:09 -0300 Subject: [PATCH] ARM: dts: imx7d-sdb: Add support for touchscreen Add support for tsc2046 touchscreen. Signed-off-by: Diego Dorta Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx7d-sdb.dts | 41 +++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts index 8f6a5394a528..6bd820367ad4 100644 --- a/arch/arm/boot/dts/imx7d-sdb.dts +++ b/arch/arm/boot/dts/imx7d-sdb.dts @@ -111,6 +111,32 @@ arm-supply = <&sw1a_reg>; }; +&ecspi3 { + fsl,spi-num-chipselects = <1>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi3>; + cs-gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>; + status = "okay"; + + tsc2046@0 { + compatible = "ti,tsc2046"; + reg = <0>; + spi-max-frequency = <1000000>; + pinctrl-names ="default"; + pinctrl-0 = <&pinctrl_tsc2046_pendown>; + interrupt-parent = <&gpio2>; + interrupts = <29 0>; + pendown-gpio = <&gpio2 29 GPIO_ACTIVE_HIGH>; + ti,x-min = /bits/ 16 <0>; + ti,x-max = /bits/ 16 <0>; + ti,y-min = /bits/ 16 <0>; + ti,y-max = /bits/ 16 <0>; + ti,pressure-max = /bits/ 16 <0>; + ti,x-plat-ohms = /bits/ 16 <400>; + wakeup-source; + }; +}; + &fec1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet1>; @@ -363,6 +389,15 @@ pinctrl-0 = <&pinctrl_hog>; imx7d-sdb { + pinctrl_ecspi3: ecspi3grp { + fsl,pins = < + MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO 0x2 + MX7D_PAD_SAI2_TX_BCLK__ECSPI3_MOSI 0x2 + MX7D_PAD_SAI2_RX_DATA__ECSPI3_SCLK 0x2 + MX7D_PAD_SD2_CD_B__GPIO5_IO9 0x59 + >; + }; + pinctrl_enet1: enet1grp { fsl,pins = < MX7D_PAD_GPIO1_IO10__ENET1_MDIO 0x3 @@ -474,6 +509,12 @@ >; }; + pinctrl_tsc2046_pendown: tsc2046_pendown { + fsl,pins = < + MX7D_PAD_EPDC_BDR1__GPIO2_IO29 0x59 + >; + }; + pinctrl_uart1: uart1grp { fsl,pins = < MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79 -- 2.20.1