diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx93-var-som.dtsi index 0b7f6740e5ad..2dc8b18ae91e 100644 --- a/arch/arm64/boot/dts/freescale/imx93-var-som.dtsi +++ b/arch/arm64/boot/dts/freescale/imx93-var-som.dtsi @@ -212,6 +212,38 @@ wm8904: audio-codec@1a { }; }; +&lpspi8 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lpspi8>; + cs-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; + status = "okay"; + + /* Resistive touch controller */ + ads7846: touchscreen@0 { + compatible = "ti,ads7846"; + reg = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_restouch>; + interrupt-parent = <&gpio4>; + interrupts = <29 IRQ_TYPE_EDGE_FALLING>; + spi-max-frequency = <1000000>; + pendown-gpio = <&gpio4 29 0>; + vcc-supply = <&buck5>; + ti,x-min = /bits/ 16 <125>; + ti,x-max = /bits/ 16 <4008>; + ti,y-min = /bits/ 16 <282>; + ti,y-max = /bits/ 16 <3864>; + ti,x-plate-ohms = /bits/ 16 <180>; + ti,pressure-max = /bits/ 16 <255>; + ti,debounce-max = /bits/ 16 <10>; + ti,debounce-tol = /bits/ 16 <3>; + ti,debounce-rep = /bits/ 16 <1>; + ti,settle-delay-usec = /bits/ 16 <150>; + ti,keep-vref-on; + wakeup-source; + }; +}; + /* BT module */ &lpuart5 { pinctrl-names = "default"; @@ -307,6 +339,15 @@ MX93_PAD_GPIO_IO29__GPIO2_IO29 0x40000b9e >; }; + pinctrl_lpspi8: lpspi8grp { + fsl,pins = < + MX93_PAD_GPIO_IO12__GPIO2_IO12 0x31e + MX93_PAD_GPIO_IO13__LPSPI8_SIN 0x31e + MX93_PAD_GPIO_IO14__LPSPI8_SOUT 0x31e + MX93_PAD_GPIO_IO15__LPSPI8_SCK 0x31e + >; + }; + pinctrl_lpuart5: lpuart5grp { fsl,pins = < MX93_PAD_DAP_TDO_TRACESWO__LPUART5_TX 0x31e @@ -316,6 +357,12 @@ MX93_PAD_DAP_TCLK_SWCLK__LPUART5_CTS_B 0x31e >; }; + pinctrl_restouch: restouchgrp { + fsl,pins = < + MX93_PAD_CCM_CLKO4__GPIO4_IO29 0x31e + >; + }; + pinctrl_sai1: sai1grp { fsl,pins = < MX93_PAD_SAI1_TXC__SAI1_TX_BCLK 0x31e