linux-kernel - [PATCH v4 8/8] [DNI] arm64: dts: renesas: eagle: Specify channel amplitude

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Message-Id: <20201112162729.101384-9-jacopo+renesas@jmondi.org>
Date:   Thu, 12 Nov 2020 17:27:29 +0100
From:   Jacopo Mondi <jacopo+renesas@...ndi.org>
To:     kieran.bingham+renesas@...asonboard.com,
        laurent.pinchart+renesas@...asonboard.com,
        niklas.soderlund+renesas@...natech.se, geert@...ux-m68k.org
Cc:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Hyun Kwon <hyunk@...inx.com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH v4 8/8] [DNI] arm64: dts: renesas: eagle: Specify channel amplitude

Use the newly introduced 'maxim,maxim,initial-reverse-channel-mV'
property to specify the initial reverse channel amplitude when the
remote serializers are not pre-programmed with noise immunity threshold
enabled.

Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
---
 arch/arm64/boot/dts/renesas/r8a77970-eagle.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index 45b947d44cee..75296865104c 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -308,6 +308,7 @@ gmsl: gmsl-deserializer@48 {
 
 		/* eagle-pca9654-max9286-pwdn */
 		enable-gpios = <&io_expander 0 GPIO_ACTIVE_HIGH>;
+		maxim,initial-reverse-channel-mV = <100>;
 
 		/*
 		 * Workaround: Hog the CAMVDD line high as we can't establish a
-- 
2.29.1