linux-kernel - [PATCH] arm64: dts: ls1088a: support eMMC HS200 speed mode for RDB board

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Date:   Tue,  4 Feb 2020 12:09:28 +0800
From:   Yangbo Lu <yangbo.lu@....com>
To:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>,
        Li Yang <leoyang.li@....com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Yangbo Lu <yangbo.lu@....com>
Subject: [PATCH] arm64: dts: ls1088a: support eMMC HS200 speed mode for RDB board

This patch is to add eMMC HS200 speed mode support on ls1088ardb
whose controller and peripheral circut support such capability.
And clocks dts property is needed for driver to get peripheral
clock value used for this speed mode.

Signed-off-by: Yangbo Lu <yangbo.lu@....com>
---
 arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts | 1 +
 arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
index 4d77b34..5633e59 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a-rdb.dts
@@ -83,6 +83,7 @@
 };
 
 &esdhc {
+	mmc-hs200-1_8v;
 	status = "okay";
 };
 
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
index 5945662..ec6013a 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi
@@ -393,6 +393,7 @@
 			reg = <0x0 0x2140000 0x0 0x10000>;
 			interrupts = <0 28 0x4>; /* Level high type */
 			clock-frequency = <0>;
+			clocks = <&clockgen 2 1>;
 			voltage-ranges = <1800 1800 3300 3300>;
 			sdhci,auto-cmd12;
 			little-endian;
-- 
2.7.4