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ARM: at91/dt: sama5d2 Xplained: pmic needs a specific sda hold time
authorLudovic Desroches <ludovic.desroches@atmel.com>
Thu, 3 Dec 2015 09:53:54 +0000 (10:53 +0100)
committerNicolas Ferre <nicolas.ferre@atmel.com>
Tue, 15 Dec 2015 11:23:32 +0000 (12:23 +0100)
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@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
arch/arm/boot/dts/at91-sama5d2_xplained.dts patch | blob | blame | history

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 89a69f37fff2a11b96248c2e144e9391463d148d..80fdab72f4fa12396b6e54eb1264158573582fdd 100644 (file)
--- 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 {