linux-kernel - [PATCH v1 5/9] ARM: dts: imx6dl: enable touchscreen debounce filter on PLYM2M and PRTVT7 boards

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Date:   Tue, 18 May 2021 10:28:46 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        devicetree@...r.kernel.org, Fabio Estevam <festevam@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        David Jander <david@...tonic.nl>
Subject: [PATCH v1 5/9] ARM: dts: imx6dl: enable touchscreen debounce filter on PLYM2M and PRTVT7 boards

Activate low-pass/debounce filter on the touchscreen.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 arch/arm/boot/dts/imx6dl-plym2m.dts | 4 +++-
 arch/arm/boot/dts/imx6dl-prtvt7.dts | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6dl-plym2m.dts b/arch/arm/boot/dts/imx6dl-plym2m.dts
index c97274f0df07..60fe5f14666e 100644
--- a/arch/arm/boot/dts/imx6dl-plym2m.dts
+++ b/arch/arm/boot/dts/imx6dl-plym2m.dts
@@ -145,7 +145,9 @@ touchscreen@0 {
 		ti,vref-delay-usecs = /bits/ 16 <100>;
 		ti,x-plate-ohms = /bits/ 16 <800>;
 		ti,y-plate-ohms = /bits/ 16 <300>;
-
+		ti,debounce-max = /bits/ 16 <3>;
+		ti,debounce-tol = /bits/ 16 <70>;
+		ti,debounce-rep = /bits/ 16 <3>;
 		wakeup-source;
 	};
 };
diff --git a/arch/arm/boot/dts/imx6dl-prtvt7.dts b/arch/arm/boot/dts/imx6dl-prtvt7.dts
index d22ded6fc48b..1626f3704f1b 100644
--- a/arch/arm/boot/dts/imx6dl-prtvt7.dts
+++ b/arch/arm/boot/dts/imx6dl-prtvt7.dts
@@ -233,6 +233,9 @@ touchscreen@0 {
 		ti,vref-delay-usecs = /bits/ 16 <100>;
 		ti,x-plate-ohms = /bits/ 16 <800>;
 		ti,y-plate-ohms = /bits/ 16 <300>;
+		ti,debounce-max = /bits/ 16 <3>;
+		ti,debounce-tol = /bits/ 16 <70>;
+		ti,debounce-rep = /bits/ 16 <3>;
 		wakeup-source;
 	};
 };
-- 
2.29.2