linux-kernel - [PATCH] ARM: dts: stm32: add sd-uhs properties in SD-card node for stm32mp157c-ed1

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Message-ID: <20200430101649.29381-1-yann.gautier@st.com>
Date:   Thu, 30 Apr 2020 12:16:49 +0200
From:   Yann Gautier <yann.gautier@...com>
To:     <robh+dt@...nel.org>, <mcoquelin.stm32@...il.com>,
        <alexandre.torgue@...com>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Yann Gautier <yann.gautier@...com>,
        Ludovic Barre <ludovic.barre@...com>
Subject: [PATCH] ARM: dts: stm32: add sd-uhs properties in SD-card node for stm32mp157c-ed1

The sdmmc1 peripheral is connected on SD-card on STM32MP1-ED1 board.
Add the UHS features the controller is able to manage.
Those features require a level shifter on the board, and the support of
the voltage switch in driver, which is done in Linux v5.7.

Signed-off-by: Ludovic Barre <ludovic.barre@...com>
Signed-off-by: Yann Gautier <yann.gautier@...com>
---
 arch/arm/boot/dts/stm32mp157c-ed1.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
index 9d2592db630c..1d7dfe97b160 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
@@ -320,6 +320,10 @@
 	bus-width = <4>;
 	vmmc-supply = <&vdd_sd>;
 	vqmmc-supply = <&sd_switch>;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-ddr50;
 	status = "okay";
 };
 
-- 
2.17.1