From: Stefan Agner <stefan@agner.ch>
To: Philippe Schenker <dev@pschenker.ch>
Cc: shawnguo@kernel.org, s.hauer@pengutronix.de,
thierry.reding@gmail.com, linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
marcel.ziswiler@toradex.com, max.krummenacher@toradex.com,
Philippe Schenker <philippe.schenker@toradex.com>,
devicetree@vger.kernel.org,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Subject: Re: [PATCH 2/2] ARM: dts: Add stmpe-adc DT node to Toradex T30 modules
Date: Tue, 22 Jan 2019 15:53:53 +0100 [thread overview]
Message-ID: <34495b73d56dd3dcd7ef9df99d665fb4@agner.ch> (raw)
In-Reply-To: <20190122132135.5012-3-dev@pschenker.ch>
On 22.01.2019 14:21, Philippe Schenker wrote:
> From: Philippe Schenker <philippe.schenker@toradex.com>
>
> Add the stmpe-adc DT node as found on Toradex T30 modules
>
> Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Stefan Agner <stefan@agner.ch>
>
> ---
>
> arch/arm/boot/dts/tegra30-apalis-v1.1.dtsi | 22 ++++++++++++++--------
> arch/arm/boot/dts/tegra30-apalis.dtsi | 22 ++++++++++++++--------
> arch/arm/boot/dts/tegra30-colibri.dtsi | 22 ++++++++++++++--------
> 3 files changed, 42 insertions(+), 24 deletions(-)
>
> diff --git a/arch/arm/boot/dts/tegra30-apalis-v1.1.dtsi
> b/arch/arm/boot/dts/tegra30-apalis-v1.1.dtsi
> index 02f8126481a2..8b7a827d604d 100644
> --- a/arch/arm/boot/dts/tegra30-apalis-v1.1.dtsi
> +++ b/arch/arm/boot/dts/tegra30-apalis-v1.1.dtsi
> @@ -994,11 +994,17 @@
> 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 */
> @@ -1008,17 +1014,17 @@
> * 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>;
> + };
> };
>
> /*
> diff --git a/arch/arm/boot/dts/tegra30-apalis.dtsi
> b/arch/arm/boot/dts/tegra30-apalis.dtsi
> index 7f112f192fe9..c18f6f61d764 100644
> --- a/arch/arm/boot/dts/tegra30-apalis.dtsi
> +++ b/arch/arm/boot/dts/tegra30-apalis.dtsi
> @@ -976,11 +976,17 @@
> 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 */
> @@ -990,17 +996,17 @@
> * 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>;
> + };
> };
>
> /*
> diff --git a/arch/arm/boot/dts/tegra30-colibri.dtsi
> b/arch/arm/boot/dts/tegra30-colibri.dtsi
> index 35af03ca9e90..3c421a5cfbc2 100644
> --- a/arch/arm/boot/dts/tegra30-colibri.dtsi
> +++ b/arch/arm/boot/dts/tegra30-colibri.dtsi
> @@ -845,11 +845,17 @@
> 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 */
> @@ -859,17 +865,17 @@
> * 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>;
> + };
> };
>
> /*
next prev parent reply other threads:[~2019-01-22 14:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-22 13:21 [PATCH 0/2] Adding DTS to support STMPE811 ADC on Toradex Boards Philippe Schenker
2019-01-22 13:21 ` [PATCH 1/2] ARM: dts: Add stmpe-adc DT node to Toradex iMX6 modules Philippe Schenker
2019-01-22 14:53 ` Stefan Agner
2019-01-22 13:21 ` [PATCH 2/2] ARM: dts: Add stmpe-adc DT node to Toradex T30 modules Philippe Schenker
2019-01-22 14:53 ` Stefan Agner [this message]
2019-02-01 3:36 ` [PATCH 0/2] Adding DTS to support STMPE811 ADC on Toradex Boards Shawn Guo
2019-02-12 9:09 ` Shawn Guo
2019-02-12 9:18 ` Philippe Schenker
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