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authorHaibo Chen <haibo.chen@nxp.com>2016-01-08 20:15:05 +0800
committerNitin Garg <nitin.garg@nxp.com>2016-01-14 11:03:07 -0600
commit16108b0f024add957d63b3fdea1d4ecd7fe1588b (patch)
tree0c038a66e6527c3fdc7e94505785265950c5c84d /arch/arm
parentf777f7294af3ab1c4dd32946f51f6b65bf8a57b1 (diff)
MLK-12140 ARM: dts: imx7d-sdb-epdc: add EPDC touch support for imx7d-sdb
EPDC board has touch screen, this patch add touch support on imx7d-sdb TO1.1 board, due to the touch pin conflict with UART5 and GPMI, so disable UART5 in imx7d-sdb-epdc.dtsi. For GPMI, it default disabled in imx7d-sdb.dts, so do not impact touch. Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/imx7d-sdb-epdc.dtsi19
-rw-r--r--arch/arm/boot/dts/imx7d-sdb.dts8
2 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx7d-sdb-epdc.dtsi b/arch/arm/boot/dts/imx7d-sdb-epdc.dtsi
index cbc7ca1af076..a04aca79b19d 100644
--- a/arch/arm/boot/dts/imx7d-sdb-epdc.dtsi
+++ b/arch/arm/boot/dts/imx7d-sdb-epdc.dtsi
@@ -33,3 +33,22 @@
&sim1 {
status = "disabled";
};
+
+&uart5 {
+ status = "disabled";
+};
+
+&i2c3 {
+ elan@10 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_epdc_elan_touch>;
+ compatible = "elan,elan-touch";
+ reg = <0x10>;
+ interrupt-parent = <&gpio6>;
+ interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
+ gpio_elan_cs = <&gpio6 13 0>;
+ gpio_elan_rst = <&gpio6 15 0>;
+ gpio_intr = <&gpio6 12 0>;
+ status = "okay";
+ };
+};
diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index a40d76634578..ad515b527b95 100644
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -552,6 +552,14 @@
>;
};
+ pinctrl_epdc_elan_touch: epdc_elan_touch_grp {
+ fsl,pins = <
+ MX7D_PAD_SAI1_RX_DATA__GPIO6_IO12 0x59
+ MX7D_PAD_SAI1_TX_DATA__GPIO6_IO15 0x1b
+ MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13 0x80000000
+ >;
+ };
+
pinctrl_ecspi3_cs: ecspi3_cs_grp {
fsl,pins = <
MX7D_PAD_SD2_CD_B__GPIO5_IO9 0x80000000