linux-kernel - [PATCH 22/31] arm64: zynqmp: Add note about UHS mode on some boards

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Message-Id: <ac36b2b31cd32bfad09544d898c98114146af518.1623239033.git.michal.simek@xilinx.com>
Date:   Wed,  9 Jun 2021 13:44:58 +0200
From:   Michal Simek <michal.simek@...inx.com>
To:     linux-kernel@...r.kernel.org, monstr@...str.eu,
        michal.simek@...inx.com, git@...inx.com,
        Viresh Kumar <viresh.kumar@...aro.org>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Quanyang Wang <quanyang.wang@...driver.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 22/31] arm64: zynqmp: Add note about UHS mode on some boards

Add note about UHS mode and add no-1-8-v property to zc1751-dc1 board.

Signed-off-by: Michal Simek <michal.simek@...inx.com>
---

 arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts | 4 ++++
 arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts      | 4 ++++
 arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts      | 3 +++
 arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts      | 5 ++++-
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts
index 460aba6e7990..cd406947ec34 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm015-dc1.dts
@@ -370,6 +370,10 @@ &sdhci0 {
 /* SD1 with level shifter */
 &sdhci1 {
 	status = "okay";
+	/*
+	 * This property should be removed for supporting UHS mode
+	 */
+	no-1-8-v;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sdhci1_default>;
 	xlnx,mio-bank = <1>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
index 5ddcfdf48626..3cbc51b4587d 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu102-revA.dts
@@ -956,6 +956,10 @@ &sata {
 /* SD1 with level shifter */
 &sdhci1 {
 	status = "okay";
+	/*
+	 * 1.0 revision has level shifter and this property should be
+	 * removed for supporting UHS mode
+	 */
 	no-1-8-v;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sdhci1_default>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
index 4a0f3370bf7f..2c1c4d96fb21 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu106-revA.dts
@@ -951,6 +951,9 @@ &sata {
 /* SD1 with level shifter */
 &sdhci1 {
 	status = "okay";
+	/*
+	 * This property should be removed for supporting UHS mode
+	 */
 	no-1-8-v;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sdhci1_default>;
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
index 85e9d0e2f9bd..c9d41d16c3f0 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu111-revA.dts
@@ -796,8 +796,11 @@ &sdhci1 {
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_sdhci1_default>;
-	no-1-8-v;
 	disable-wp;
+	/*
+	 * This property should be removed for supporting UHS mode
+	 */
+	no-1-8-v;
 	xlnx,mio-bank = <1>;
 };
 
-- 
2.31.1