diff options
| author | Robby Cai <R63905@freescale.com> | 2013-06-21 10:31:16 +0800 |
|---|---|---|
| committer | Robby Cai <R63905@freescale.com> | 2013-06-21 16:09:23 +0800 |
| commit | 1dba8872461ac0c27db5f46dd03240c60a159181 (patch) | |
| tree | 305468fc8e90103657a7f1a4840a62537583c8f0 | |
| parent | 238f9d22fec60ed8d56e0dbea075b37d09cc7a0f (diff) | |
ENGR00268115-3 dts: add dts for elan touchscreen
Add elan touchscreen device tree and the dts document.
Signed-off-by: Robby Cai <R63905@freescale.com>
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/elan-ts.txt | 23 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx6dl-sabresd.dts | 20 |
2 files changed, 42 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/elan-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/elan-ts.txt new file mode 100644 index 000000000000..71253bbd2712 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/elan-ts.txt @@ -0,0 +1,23 @@ +* ELAN Resistive Touch Controller + +Required properties: +- compatible: must be "elan,elan-touch" +- reg: i2c slave address +- interrupt-parent: the phandle for the interrupt controller +- interrupts: touch controller interrupt +- gpio_elan_cs: the gpio pin for chip select +- gpio_elan_rst: the gpio pin for chip reset +- gpio_intr: the gpio pin to be used for interrupt pin + +Example: + + elan@10 { + compatible = "elan,elan-touch"; + reg = <0x10>; + interrupt-parent = <&gpio3>; + interrupts = <28 3>; + gpio_elan_cs = <&gpio2 18 0>; + gpio_elan_rst = <&gpio3 8 0>; + gpio_intr = <&gpio3 28 0>; + status = "okay"; + }; diff --git a/arch/arm/boot/dts/imx6dl-sabresd.dts b/arch/arm/boot/dts/imx6dl-sabresd.dts index a0bcbb9ffe7d..12f7fe87c875 100644 --- a/arch/arm/boot/dts/imx6dl-sabresd.dts +++ b/arch/arm/boot/dts/imx6dl-sabresd.dts @@ -58,6 +58,10 @@ MX6DL_PAD_EIM_D20__GPIO3_IO20 0x80000000 MX6DL_PAD_EIM_A18__GPIO2_IO20 0x80000000 MX6DL_PAD_EIM_OE__GPIO2_IO25 0x80000000 + /* elan touch */ + MX6DL_PAD_EIM_A20__GPIO2_IO18 0x80000000 + MX6DL_PAD_EIM_DA8__GPIO3_IO08 0x80000000 + MX6DL_PAD_EIM_D28__GPIO3_IO28 0x80000000 >; }; }; @@ -81,6 +85,21 @@ }; }; + aips-bus@02100000 { /* AIPS2 */ + i2c@021a8000 { /* I2C3 */ + elan@10 { + compatible = "elan,elan-touch"; + reg = <0x10>; + interrupt-parent = <&gpio3>; + interrupts = <28 3>; + gpio_elan_cs = <&gpio2 18 0>; + gpio_elan_rst = <&gpio3 8 0>; + gpio_intr = <&gpio3 28 0>; + status = "okay"; + }; + }; + }; + ahci@02200000 { /* AHCI SATA */ status = "disabled"; }; @@ -97,5 +116,4 @@ mxcfb2: fb@1 { status = "okay"; }; - }; |