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| author | Philippe Schenker <philippe.schenker@toradex.com> | 2019-01-22 14:21:34 +0100 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2019-02-11 02:22:27 +0100 |
| commit | a822029a0cc0b838bff043482629f5fb9c2deb32 (patch) | |
| tree | 7e1aa945f42ff9de3937acc09fa3bbc814e2b8a5 /arch/arm/boot/dts/imx6qdl-apalis.dtsi | |
| parent | ARM: dts: Add devicetree compatibles for LS1021A based boards (diff) | |
| download | linux-a822029a0cc0b838bff043482629f5fb9c2deb32.tar.xz linux-a822029a0cc0b838bff043482629f5fb9c2deb32.zip | |
ARM: dts: Add stmpe-adc DT node to Toradex iMX6 modules
Add the stmpe-adc DT node as found on Toradex iMX6 modules
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-apalis.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-apalis.dtsi | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi index 5e6cec92e090..7c4ad541c3f5 100644 --- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi +++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi @@ -332,11 +332,17 @@ id = <0>; blocks = <0x5>; irq-trigger = <0x1>; + /* 3.25 MHz ADC clock speed */ + st,adc-freq = <1>; + /* 12-bit ADC */ + st,mod-12b = <1>; + /* internal ADC reference */ + st,ref-sel = <0>; + /* ADC converstion time: 80 clocks */ + st,sample-time = <4>; stmpe_touchscreen { compatible = "st,stmpe-ts"; - /* 3.25 MHz ADC clock speed */ - st,adc-freq = <1>; /* 8 sample average control */ st,ave-ctrl = <3>; /* 7 length fractional part in z */ @@ -346,17 +352,17 @@ * current limit value */ st,i-drive = <1>; - /* 12-bit ADC */ - st,mod-12b = <1>; - /* internal ADC reference */ - st,ref-sel = <0>; - /* ADC converstion time: 80 clocks */ - st,sample-time = <4>; /* 1 ms panel driver settling time */ st,settling = <3>; /* 5 ms touch detect interrupt delay */ st,touch-det-delay = <5>; }; + + stmpe_adc { + compatible = "st,stmpe-adc"; + /* forbid to use ADC channels 3-0 (touch) */ + st,norequest-mask = <0x0F>; + }; }; }; |