linux-kernel - [PATCH v5 7/8] ARM: dts: Add stmpe-adc DT node to Toradex iMX6 modules

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20181221134638.20600-8-dev@pschenker.ch>
Date:   Fri, 21 Dec 2018 14:46:36 +0100
From:   Philippe Schenker <dev@...henker.ch>
To:     jic23@...nel.org, marcel.ziswiler@...adex.com, stefan@...er.ch
Cc:     robh@...nel.org, alexandre.torgue@...com, shawnguo@...nel.org,
        dmitry.torokhov@...il.com, thierry.reding@...il.com,
        digetx@...il.com, lee.jones@...aro.org, coquelin.stm32@...il.com,
        Philippe Schenker <philippe.schenker@...adex.com>,
        Fabio Estevam <fabio.estevam@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Mark Rutland <mark.rutland@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>
Subject: [PATCH v5 7/8] ARM: dts: Add stmpe-adc DT node to Toradex iMX6 modules

From: Philippe Schenker <philippe.schenker@...adex.com>

Add the stmpe-adc DT node as found on Toradex iMX6 modules

Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>

---

Changes in v5: None
Changes in v4:
 - Moved T30 devicetree settings to separate commit

Changes in v3:
 - None

Changes in v2:
 - Put common ADC settings in mfd

 arch/arm/boot/dts/imx6qdl-apalis.dtsi  | 22 ++++++++++++++--------
 arch/arm/boot/dts/imx6qdl-colibri.dtsi | 23 +++++++++++++++--------
 2 files changed, 29 insertions(+), 16 deletions(-)

diff --git a/arch/arm/boot/dts/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
index 3dc99dd8dde1..8db476d8978d 100644
--- a/arch/arm/boot/dts/imx6qdl-apalis.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-apalis.dtsi
@@ -331,11 +331,18 @@
 		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>;
+		/* forbid to use ADC channels 3-0 (touch) */
 
 		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 */
@@ -345,17 +352,16 @@
 			 * 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";
+			st,norequest-mask = <0x0F>;
+		};
 	};
 };
 
diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
index 87e15e7cb32b..2e303d79c7f8 100644
--- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi
@@ -262,11 +262,18 @@
 		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>;
+		/* forbid to use ADC channels 3-0 (touch) */
 
 		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 */
@@ -276,17 +283,17 @@
 			 * 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";
+			/* 3.25 MHz ADC clock speed */
+			st,norequest-mask = <0x0F>;
+		};
 	};
 };
 
-- 
2.19.2