From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: [PATCH 3/4] ARM: dts: Disable I2C controllers by default on Exynos5250 Date: Fri, 13 Sep 2013 13:09:55 +0100 Message-ID: <1379074196-9834-3-git-send-email-broonie@kernel.org> References: <1379074196-9834-1-git-send-email-broonie@kernel.org> Return-path: In-Reply-To: <1379074196-9834-1-git-send-email-broonie@kernel.org> Sender: linux-samsung-soc-owner@vger.kernel.org To: Rob Herring , Pawel Moll , Mark Rutland , Stephen Warren , Ian Campbell , Kukjin Kim Cc: devicetree@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linaro-kernel@lists.linaro.org, Mark Brown List-Id: devicetree@vger.kernel.org From: Mark Brown 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 --- 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