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>
Acked-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
---
arch/arm/boot/dts/cros5250-common.dtsi | 12 ++++++++----
arch/arm/boot/dts/exynos5250-arndale.dts | 32 ++++++++-----------------------
arch/arm/boot/dts/exynos5250-smdk5250.dts | 25 +++++-------------------
arch/arm/boot/dts/exynos5250.dtsi | 10 ++++++++++
4 files changed, 31 insertions(+), 48 deletions(-)
diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi
index 0fcca2930c61..7dbba0859a1d 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 0385b58116ec..6fbe89fd7d41 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";
@@ -319,11 +320,9 @@
};
};
- i2c@12C70000 {
- status = "disabled";
- };
-
i2c@12C80000 {
+ status = "okay";
+
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
samsung,i2c-slave-addr = <0x50>;
@@ -335,7 +334,10 @@
};
i2c@12C90000 {
+ status = "okay";
+
wm1811a@1a {
+
compatible = "wlf,wm1811";
reg = <0x1a>;
@@ -353,23 +355,9 @@
};
};
- 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>;
@@ -380,10 +368,6 @@
};
};
- 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 5d0395e07eee..a17b1a0a8abc 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 9b58532854e1..3a4454620f6b 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -242,6 +242,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c0_bus>;
+ status = "disabled";
};
i2c_1: i2c@12C70000 {
@@ -254,6 +255,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c1_bus>;
+ status = "disabled";
};
i2c_2: i2c@12C80000 {
@@ -266,6 +268,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c2_bus>;
+ status = "disabled";
};
i2c_3: i2c@12C90000 {
@@ -278,6 +281,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c3_bus>;
+ status = "disabled";
};
i2c_4: i2c@12CA0000 {
@@ -290,6 +294,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c4_bus>;
+ status = "disabled";
};
i2c_5: i2c@12CB0000 {
@@ -302,6 +307,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c5_bus>;
+ status = "disabled";
};
i2c_6: i2c@12CC0000 {
@@ -314,6 +320,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c6_bus>;
+ status = "disabled";
};
i2c_7: i2c@12CD0000 {
@@ -326,6 +333,7 @@
clock-names = "i2c";
pinctrl-names = "default";
pinctrl-0 = <&i2c7_bus>;
+ status = "disabled";
};
i2c_8: i2c@12CE0000 {
@@ -336,6 +344,7 @@
#size-cells = <0>;
clocks = <&clock 302>;
clock-names = "i2c";
+ status = "disabled";
};
i2c@121D0000 {
@@ -345,6 +354,7 @@
#size-cells = <0>;
clocks = <&clock 288>;
clock-names = "i2c";
+ status = "disabled";
};
spi_0: spi@12d20000 {
--
1.8.4.4
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