[PATCH] arm/dts: AM33XX: Set the default status of module to "disabled" state

Vaibhav Hiremath hvaibhav at ti.com
Mon Aug 6 07:29:04 EDT 2012


Ideally in common SoC dtsi file we should set all modules
to "disabled" state and it should get enabled in respective
EVM/Board dts file as per usage.

This patch sets default status of all modules to "disabled"
state in am33xx.dtsi file, and as per board requirement, enabled
in board dts file (like, bone, evm, etc...).

Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
Cc: Benoit Cousson <b-cousson at ti.com>
Cc: Grant Likely <grant.likely at secretlab.ca>
Cc: Arnd Bergmann <arnd at arndb.de>
CC: Tony Lindgren <tony at atomide.com>
---
This patch is tested on BeagleBone platform.

 arch/arm/boot/dts/am335x-bone.dts |    6 ++++++
 arch/arm/boot/dts/am335x-evm.dts  |    6 ++++++
 arch/arm/boot/dts/am33xx.dtsi     |    9 +++++++++
 3 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts
index a9af4db..df672b4 100644
--- a/arch/arm/boot/dts/am335x-bone.dts
+++ b/arch/arm/boot/dts/am335x-bone.dts
@@ -17,4 +17,10 @@
 		device_type = "memory";
 		reg = <0x80000000 0x10000000>; /* 256 MB */
 	};
+
+	ocp {
+		uart1: serial at 44E09000 {
+			       status = "okay";
+		       };
+	};
 };
diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts
index d6a97d9..00bbae8 100644
--- a/arch/arm/boot/dts/am335x-evm.dts
+++ b/arch/arm/boot/dts/am335x-evm.dts
@@ -17,4 +17,10 @@
 		device_type = "memory";
 		reg = <0x80000000 0x10000000>; /* 256 MB */
 	};
+
+	ocp {
+		uart1: serial at 44E09000 {
+			       status = "okay";
+		       };
+	};
 };
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 59509c4..5f6c8e3 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -102,36 +102,42 @@
 			compatible = "ti,omap3-uart";
 			ti,hwmods = "uart1";
 			clock-frequency = <48000000>;
+			status = "disabled";
 		};

 		uart2: serial at 48022000 {
 			compatible = "ti,omap3-uart";
 			ti,hwmods = "uart2";
 			clock-frequency = <48000000>;
+			status = "disabled";
 		};

 		uart3: serial at 48024000 {
 			compatible = "ti,omap3-uart";
 			ti,hwmods = "uart3";
 			clock-frequency = <48000000>;
+			status = "disabled";
 		};

 		uart4: serial at 481A6000 {
 			compatible = "ti,omap3-uart";
 			ti,hwmods = "uart4";
 			clock-frequency = <48000000>;
+			status = "disabled";
 		};

 		uart5: serial at 481A8000 {
 			compatible = "ti,omap3-uart";
 			ti,hwmods = "uart5";
 			clock-frequency = <48000000>;
+			status = "disabled";
 		};

 		uart6: serial at 481AA000 {
 			compatible = "ti,omap3-uart";
 			ti,hwmods = "uart6";
 			clock-frequency = <48000000>;
+			status = "disabled";
 		};

 		i2c1: i2c at 44E0B000 {
@@ -139,6 +145,7 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			ti,hwmods = "i2c1";
+			status = "disabled";
 		};

 		i2c2: i2c at 4802A000 {
@@ -146,6 +153,7 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			ti,hwmods = "i2c2";
+			status = "disabled";
 		};

 		i2c3: i2c at 4819C000 {
@@ -153,6 +161,7 @@
 			#address-cells = <1>;
 			#size-cells = <0>;
 			ti,hwmods = "i2c3";
+			status = "disabled";
 		};
 	};
 };
--
1.7.0.4




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