From: Mark Brown <broonie@xxxxxxxxxx>
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@xxxxxxxxxx>
---
arch/arm/boot/dts/cros5250-common.dtsi | 12 ++++++++----
arch/arm/boot/dts/exynos5250-arndale.dts | 31 +++----------------------------
arch/arm/boot/dts/exynos5250-smdk5250.dts | 25 +++++--------------------
arch/arm/boot/dts/exynos5250.dtsi | 10 ++++++++++
4 files changed, 26 insertions(+), 52 deletions(-)
diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
index 0fcca29..7dbba08 100644
--- 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
index 1141939..4b5550c 100644
--- 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";
@@ -319,16 +320,10 @@
};
};
- i2c@12C70000 {
- status = "disabled";
- };
-
- i2c@12C80000 {
- status = "disabled";
- };
-
i2c@12C90000 {
wm1811a@1a {
+ status = "okay";
+
compatible = "wlf,wm1811";
reg = <0x1a>;
@@ -346,26 +341,6 @@
};
};
- i2c@12CA0000 {
- status = "disabled";
- };
-
- i2c@12CB0000 {
- status = "disabled";
- };
-
- i2c@12CC0000 {
- status = "disabled";
- };
-
- i2c@12CD0000 {
- status = "disabled";
- };
-
- i2c@121D0000 {
- status = "disabled";
- };
-
dwmmc_0: dwmmc0@12200000 {
num-slots = <1>;
supports-highspeed;
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 67d3c43..f594dd7 100644
--- 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";
@@ -89,6 +91,7 @@
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <40000>;
samsung,i2c-slave-addr = <0x38>;
+ status = "okay";
sata-phy {
compatible = "samsung,sata-phy";
@@ -103,6 +106,7 @@
i2c@12C80000 {
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
+ status = "okay";
hdmiddc@50 {
compatible = "samsung,exynos4210-hdmiddc";
@@ -110,29 +114,10 @@
};
};
- 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
index a886ee4..cbbc1bc 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -237,6 +237,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c0_bus>;
+ status = "disabled";
};
i2c_1: i2c@12C70000 {
@@ -249,6 +250,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_bus>;
+ status = "disabled";
};
i2c_2: i2c@12C80000 {
@@ -261,6 +263,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c2_bus>;
+ status = "disabled";
};
i2c_3: i2c@12C90000 {
@@ -273,6 +276,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c3_bus>;
+ status = "disabled";
};
i2c_4: i2c@12CA0000 {
@@ -285,6 +289,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c4_bus>;
+ status = "disabled";
};
i2c_5: i2c@12CB0000 {
@@ -297,6 +302,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c5_bus>;
+ status = "disabled";
};
i2c_6: i2c@12CC0000 {
@@ -309,6 +315,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c6_bus>;
+ status = "disabled";
};
i2c_7: i2c@12CD0000 {
@@ -321,6 +328,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c7_bus>;
+ status = "disabled";
};
i2c_8: i2c@12CE0000 {
@@ -331,6 +339,7 @@
#size-cells = <0>;
clocks = <&clock 302>;
clock-names = "i2c";
+ status = "disabled";
};
i2c@121D0000 {
@@ -340,6 +349,7 @@
#size-cells = <0>;
clocks = <&clock 288>;
clock-names = "i2c";
+ status = "disabled";
};
spi_0: spi@12d20000 {
--
1.8.4.rc3
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