linux-kernel - [PATCH 2/2] arm64: dts: meson: libretech-cc: switch eMMC to 1.8v

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Date:   Thu, 20 Dec 2018 17:10:37 +0100
From:   Jerome Brunet <jbrunet@...libre.com>
To:     Kevin Hilman <khilman@...libre.com>,
        Carlo Caione <carlo@...one.org>
Cc:     Jerome Brunet <jbrunet@...libre.com>, devicetree@...r.kernel.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: meson: libretech-cc: switch eMMC to 1.8v

While some 3.3v eMMC 4.0 are available from libretech, the default
option for the aml-s905x-cc seems to 1.8v 5.0 modules.

Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
---
 .../boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts    | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index daad007fac1f..d0d202cf7161 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -118,8 +118,8 @@
 	vddio_boot: regulator-vddio_boot {
 		compatible = "regulator-fixed";
 		regulator-name = "VDDIO_BOOT";
-		regulator-min-microvolt = <3300000>;
-		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
 	};
 };
 
@@ -254,8 +254,9 @@
 
 	bus-width = <8>;
 	cap-mmc-highspeed;
-	mmc-ddr-3_3v;
-	max-frequency = <50000000>;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	max-frequency = <200000000>;
 	disable-wp;
 
 	mmc-pwrseq = <&emmc_pwrseq>;
-- 
2.19.2