[PATCH-V2] arm/dts: AM33XX: Set the default status of module to "disabled" state

Vaibhav Hiremath hvaibhav at ti.com
Wed Aug 15 07:23:25 EDT 2012


Ideally in common SoC dtsi file 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. Currently there are no modules
supported as part of Bone and EVM dts support, so care
to add entry "status = "okay"" while adding support for any
module.

Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
Acked-by: Arnd Bergmann <arnd at arndb.de>
Cc: Benoit Cousson <b-cousson at ti.com>
Cc: Grant Likely <grant.likely at secretlab.ca>
Cc: Tony Lindgren <tony at atomide.com>
---
Changes from V1:
	- Fixed indentation issue caused due to extra spaces.

 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..a7906cb 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..5dd8a6b 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




More information about the linux-arm-kernel mailing list