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Date: Thu, 3 Dec 2015 10:53:54 +0100
From: Ludovic Desroches <ludovic.desroches@...el.com>
To: <wsa@...-dreams.de>, <nicolas.ferre@...el.com>,
<alexandre.belloni@...e-electrons.com>
CC: <linux-i2c@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<plagnioj@...osoft.com>, <linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>,
Ludovic Desroches <ludovic.desroches@...el.com>
Subject: [PATCH v2 4/4] ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time
Data have to be held longer for the PMIC device. The ACT8945A
datasheet claims that minimum SDA data hold time is about 300 ns.
Signed-off-by: Ludovic Desroches <ludovic.desroches@...el.com>
---
arch/arm/boot/dts/at91-sama5d2_xplained.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index ad6de73..9bced00 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -129,6 +129,7 @@
dmas = <0>, <0>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c0_default>;
+ i2c-sda-hold-time-ns = <350>;
status = "okay";
pmic: act8865@5b {
--
2.5.0
--
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