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Date:   Thu, 13 Apr 2017 15:28:24 -0300
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Wolfram Sang <wsa@...-dreams.de>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Fabio Estevam <fabio.estevam@....com>,
        devicetree@...r.kernel.org, Sascha Hauer <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        Shawn Guo <shawnguo@...nel.org>
Subject: [PATCH v2 07/22] ARM: dts: imx: Add generic compatible string for I2C EEPROM

The at24 driver allows to register I2C EEPROM chips using different vendor
and devices, but the I2C subsystem does not take the vendor into account
when matching using the I2C table since it only has device entries.

But when matching using an OF table, both the vendor and device has to be
taken into account so the driver defines only a set of compatible strings
using the "atmel" vendor as a generic fallback for compatible I2C devices.

So add this generic fallback to the device node compatible string to make
the device to match the driver using the OF device ID table.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
---

Changes in v2: None

 arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi | 2 +-
 arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi   | 2 +-
 arch/arm/boot/dts/imx28-evk.dts                   | 2 +-
 arch/arm/boot/dts/imx53-tqma53.dtsi               | 2 +-
 arch/arm/boot/dts/imx6q-cm-fx6.dts                | 2 +-
 arch/arm/boot/dts/imx6q-utilite-pro.dts           | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi b/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi
index 4f3e0f473581..61e741092efa 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi
+++ b/arch/arm/boot/dts/imx27-phytec-phycard-s-som.dtsi
@@ -40,7 +40,7 @@
 	status = "okay";
 
 	at24@52 {
-		compatible = "at,24c32";
+		compatible = "at,24c32","atmel,24c32";
 		pagesize = <32>;
 		reg = <0x52>;
 	};
diff --git a/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi b/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
index 82fec935ce83..5b6b651af18f 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
+++ b/arch/arm/boot/dts/imx27-phytec-phycore-som.dtsi
@@ -193,7 +193,7 @@
 	status = "okay";
 
 	at24@52 {
-		compatible = "at,24c32";
+		compatible = "at,24c32","atmel,24c32";
 		pagesize = <32>;
 		reg = <0x52>;
 	};
diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index a5ba669b4eaa..5ab990ac36b4 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -203,7 +203,7 @@
 				};
 
 				at24@51 {
-					compatible = "at24,24c32";
+					compatible = "at24,24c32","atmel,24c32";
 					pagesize = <32>;
 					reg = <0x51>;
 				};
diff --git a/arch/arm/boot/dts/imx53-tqma53.dtsi b/arch/arm/boot/dts/imx53-tqma53.dtsi
index 85972f2201c2..c8bc0522a1e9 100644
--- a/arch/arm/boot/dts/imx53-tqma53.dtsi
+++ b/arch/arm/boot/dts/imx53-tqma53.dtsi
@@ -272,7 +272,7 @@
 	};
 
 	eeprom: 24c64@50 {
-		compatible = "at,24c64";
+		compatible = "at,24c64","atmel,24c64";
 		pagesize = <32>;
 		reg = <0x50>;
 	};
diff --git a/arch/arm/boot/dts/imx6q-cm-fx6.dts b/arch/arm/boot/dts/imx6q-cm-fx6.dts
index 66cac5328b86..8cf478c67f83 100644
--- a/arch/arm/boot/dts/imx6q-cm-fx6.dts
+++ b/arch/arm/boot/dts/imx6q-cm-fx6.dts
@@ -215,7 +215,7 @@
 	clock-frequency = <100000>;
 
 	eeprom@50 {
-		compatible = "at24,24c02";
+		compatible = "at24,24c02","atmel,24c02";
 		reg = <0x50>;
 		pagesize = <16>;
 	};
diff --git a/arch/arm/boot/dts/imx6q-utilite-pro.dts b/arch/arm/boot/dts/imx6q-utilite-pro.dts
index 69bdd82ce21f..644889d813d0 100644
--- a/arch/arm/boot/dts/imx6q-utilite-pro.dts
+++ b/arch/arm/boot/dts/imx6q-utilite-pro.dts
@@ -128,7 +128,7 @@
 			#size-cells = <0>;
 
 			eeprom@50 {
-				compatible = "at24,24c02";
+				compatible = "at24,24c02","atmel,24c02";
 				reg = <0x50>;
 				pagesize = <16>;
 			};
-- 
2.9.3

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