ARM: dts: Disable I2C controllers by default on Exynos5250

Ensure that unused I2C controllers are not activated, causing problems due to inappropriate pinmuxing or similar, by marking the controllers as disabled by default and requiring boards to explicitly enable those that are in use. Signed-off-by: Mark Brown <broonie@linaro.org> Acked-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
git-mirror · Dec 20, 2013 · 6ad8ebf · 6ad8ebf
1 parent fae93f7
commit 6ad8ebf
Show file tree

Hide file tree

Showing 4 changed files with 31 additions and 48 deletions.
diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
@@ -30,6 +30,7 @@
 	};
 
 	i2c@12C60000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <378000>;
 
@@ -173,6 +174,7 @@
 	};
 
 	i2c@12C70000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <378000>;
 
@@ -186,6 +188,7 @@
 	};
 
 	i2c@12C80000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
 
@@ -196,30 +199,31 @@
 	};
 
 	i2c@12C90000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
 	};
 
 	i2c@12CA0000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
 	};
 
 	i2c@12CB0000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
 	};
 
-	i2c@12CC0000 {
-		status = "disabled";
-	};
-
 	i2c@12CD0000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
 	};
 
 	i2c@12CE0000 {
+		status = "okay";
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <378000>;
 

diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
@@ -34,6 +34,7 @@
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <20000>;
 		samsung,i2c-slave-addr = <0x66>;
+		status = "okay";
 
 		s5m8767_pmic@66 {
 			compatible = "samsung,s5m8767-pmic";
@@ -321,11 +322,9 @@
 		};
 	};
 
-	i2c@12C70000 {
-		status = "disabled";
-	};
-
 	i2c@12C80000 {
+		status = "okay";
+
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
 		samsung,i2c-slave-addr = <0x50>;
@@ -337,7 +336,10 @@
 	};
 
 	i2c@12C90000 {
+		status = "okay";
+
 		wm1811a@1a {
+
 			compatible = "wlf,wm1811";
 			reg = <0x1a>;
 
@@ -355,23 +357,9 @@
 		};
 	};
 
-	i2c@12CA0000 {
-		status = "disabled";
-	};
-
-	i2c@12CB0000 {
-		status = "disabled";
-	};
-
-	i2c@12CC0000 {
-		status = "disabled";
-	};
-
-	i2c@12CD0000 {
-		status = "disabled";
-	};
-
 	i2c@12CE0000 {
+		status = "okay";
+
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
 		samsung,i2c-slave-addr = <0x38>;
@@ -382,10 +370,6 @@
 		};
 	};
 
-	i2c@121D0000 {
-		status = "disabled";
-	};
-
 	mmc_0: mmc@12200000 {
 		status = "okay";
 		num-slots = <1>;

diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -30,6 +30,7 @@
 	i2c@12C60000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <20000>;
+		status = "okay";
 
 		eeprom@50 {
 			compatible = "samsung,s524ad0xd1";
@@ -64,6 +65,7 @@
 	i2c@12C70000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <20000>;
+		status = "okay";
 
 		eeprom@51 {
 			compatible = "samsung,s524ad0xd1";
@@ -92,6 +94,7 @@
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <40000>;
 		samsung,i2c-slave-addr = <0x38>;
+		status = "okay";
 
 		sata-phy {
 			compatible = "samsung,sata-phy";
@@ -106,36 +109,18 @@
 	i2c@12C80000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
+		status = "okay";
 
 		hdmiddc@50 {
 			compatible = "samsung,exynos4210-hdmiddc";
 			reg = <0x50>;
 		};
 	};
 
-	i2c@12C90000 {
-		status = "disabled";
-	};
-
-	i2c@12CA0000 {
-		status = "disabled";
-	};
-
-	i2c@12CB0000 {
-		status = "disabled";
-	};
-
-	i2c@12CC0000 {
-		status = "disabled";
-	};
-
-	i2c@12CD0000 {
-		status = "disabled";
-	};
-
 	i2c@12CE0000 {
 		samsung,i2c-sda-delay = <100>;
 		samsung,i2c-max-bus-freq = <66000>;
+		status = "okay";
 
 		hdmiphy@38 {
 			compatible = "samsung,exynos4212-hdmiphy";

diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
@@ -244,6 +244,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c0_bus>;
+		status = "disabled";
 	};
 
 	i2c_1: i2c@12C70000 {
@@ -256,6 +257,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c1_bus>;
+		status = "disabled";
 	};
 
 	i2c_2: i2c@12C80000 {
@@ -268,6 +270,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c2_bus>;
+		status = "disabled";
 	};
 
 	i2c_3: i2c@12C90000 {
@@ -280,6 +283,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c3_bus>;
+		status = "disabled";
 	};
 
 	i2c_4: i2c@12CA0000 {
@@ -292,6 +296,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c4_bus>;
+		status = "disabled";
 	};
 
 	i2c_5: i2c@12CB0000 {
@@ -304,6 +309,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c5_bus>;
+		status = "disabled";
 	};
 
 	i2c_6: i2c@12CC0000 {
@@ -316,6 +322,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c6_bus>;
+		status = "disabled";
 	};
 
 	i2c_7: i2c@12CD0000 {
@@ -328,6 +335,7 @@
 		clock-names = "i2c";
 		pinctrl-names = "default";
 		pinctrl-0 = <&i2c7_bus>;
+		status = "disabled";
 	};
 
 	i2c_8: i2c@12CE0000 {
@@ -338,6 +346,7 @@
 		#size-cells = <0>;
 		clocks = <&clock 302>;
 		clock-names = "i2c";
+		status = "disabled";
 	};
 
 	i2c@121D0000 {
@@ -347,6 +356,7 @@
                 #size-cells = <0>;
 		clocks = <&clock 288>;
 		clock-names = "i2c";
+		status = "disabled";
 	};
 
 	spi_0: spi@12d20000 {