linux-kernel - [PATCH 3.16 002/133] ARM: dts: dra7-evm: Correct the vmmc-supply for mmc2

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Message-ID: <lsq.1511315892.444051331@decadent.org.uk>
Date:   Wed, 22 Nov 2017 01:58:12 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, "Ravikumar Kattekola" <rk@...com>,
        "Kishon Vijay Abraham I" <kishon@...com>,
        "Sekhar Nori" <nsekhar@...com>, "Tony Lindgren" <tony@...mide.com>
Subject: [PATCH 3.16 002/133] ARM: dts: dra7-evm: Correct the vmmc-supply
 for mmc2

3.16.51-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Ravikumar Kattekola <rk@...com>

commit b5ca62a53d2df30432118edeff61acc8717d2515 upstream.

On DRA75x EVM, MMC2 vdd/ios are connected to a common supply fixed at 1.8V
not 3.3V

Fixes: 6cf02dbb4b71 ("ARM: dts: dra7-evm: Add mmc2 node for eMMC support")
Signed-off-by: Ravikumar Kattekola <rk@...com>
Signed-off-by: Sekhar Nori <nsekhar@...com>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
[bwh: Backported to 3.16: adjust context]
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/arm/boot/dts/dra7-evm.dts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -18,6 +18,14 @@
 		reg = <0x80000000 0x60000000>; /* 1536 MB */
 	};
 
+	evm_1v8_sw: fixedregulator-evm_1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "evm_1v8";
+		vin-supply = <&smps9_reg>;
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
 	evm_3v3_sw: fixedregulator-evm_3v3_sw {
 		compatible = "regulator-fixed";
 		regulator-name = "evm_3v3_sw";
@@ -325,7 +333,7 @@
 
 &mmc2 {
 	status = "okay";
-	vmmc-supply = <&evm_3v3_sw>;
+	vmmc-supply = <&evm_1v8_sw>;
 	bus-width = <8>;
 };