linux-kernel - [PATCH] ARM: dts: at91: sama5d27_som1_ek: add the microchip,sdcal-inverted on sdmmc0

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Date:   Thu, 5 Dec 2019 12:36:04 +0100
From:   Nicolas Ferre <nicolas.ferre@...rochip.com>
To:     Ludovic Desroches <ludovic.desroches@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <linux-kernel@...r.kernel.org>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>
Subject: [PATCH] ARM: dts: at91: sama5d27_som1_ek: add the microchip,sdcal-inverted on sdmmc0

Specify the SoC SDCAL pin connection that is used in the
sama5d27c 128MiB SiP on the SAMA5D27 SOM1.
This will put in place a software workaround that would reduce power
consumption on all boards using this SoM, including the SAMA5D27 SOM1 EK.

Uses property introduced in 5cd41fe89704 ("dt-bindings: sdhci-of-at91:
add the microchip,sdcal-inverted property")

Signed-off-by: Nicolas Ferre <nicolas.ferre@...rochip.com>
---
 arch/arm/boot/dts/at91-sama5d27_som1.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
index 7788d5db65c2..6281590150c8 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
@@ -24,6 +24,10 @@
 	};
 
 	ahb {
+		sdmmc0: sdio-host@...00000 {
+			microchip,sdcal-inverted;
+		};
+
 		apb {
 			qspi1: spi@...24000 {
 				pinctrl-names = "default";
-- 
2.17.1