ARM: dts: Disable I2C controllers by default on Exynos5250

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@linaro.org>
Acked-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Mark Brown 2013-12-21 08:33:23 +09:00 committed by Kukjin Kim
parent fae93f7cdd
commit 6ad8ebffde
4 changed files with 31 additions and 48 deletions

View File

@ -30,6 +30,7 @@ i2c2_bus: i2c2-bus {
}; };
i2c@12C60000 { i2c@12C60000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>; samsung,i2c-max-bus-freq = <378000>;
@ -173,6 +174,7 @@ buck8_reg: BUCK8 {
}; };
i2c@12C70000 { i2c@12C70000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>; samsung,i2c-max-bus-freq = <378000>;
@ -186,6 +188,7 @@ trackpad {
}; };
i2c@12C80000 { i2c@12C80000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
@ -196,30 +199,31 @@ hdmiddc@50 {
}; };
i2c@12C90000 { i2c@12C90000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
}; };
i2c@12CA0000 { i2c@12CA0000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
}; };
i2c@12CB0000 { i2c@12CB0000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
}; };
i2c@12CC0000 {
status = "disabled";
};
i2c@12CD0000 { i2c@12CD0000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
}; };
i2c@12CE0000 { i2c@12CE0000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <378000>; samsung,i2c-max-bus-freq = <378000>;

View File

@ -34,6 +34,7 @@ i2c@12C60000 {
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <20000>; samsung,i2c-max-bus-freq = <20000>;
samsung,i2c-slave-addr = <0x66>; samsung,i2c-slave-addr = <0x66>;
status = "okay";
s5m8767_pmic@66 { s5m8767_pmic@66 {
compatible = "samsung,s5m8767-pmic"; compatible = "samsung,s5m8767-pmic";
@ -321,11 +322,9 @@ buck9_reg: BUCK9 {
}; };
}; };
i2c@12C70000 {
status = "disabled";
};
i2c@12C80000 { i2c@12C80000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
samsung,i2c-slave-addr = <0x50>; samsung,i2c-slave-addr = <0x50>;
@ -337,7 +336,10 @@ hdmiddc@50 {
}; };
i2c@12C90000 { i2c@12C90000 {
status = "okay";
wm1811a@1a { wm1811a@1a {
compatible = "wlf,wm1811"; compatible = "wlf,wm1811";
reg = <0x1a>; reg = <0x1a>;
@ -355,23 +357,9 @@ wm1811a@1a {
}; };
}; };
i2c@12CA0000 {
status = "disabled";
};
i2c@12CB0000 {
status = "disabled";
};
i2c@12CC0000 {
status = "disabled";
};
i2c@12CD0000 {
status = "disabled";
};
i2c@12CE0000 { i2c@12CE0000 {
status = "okay";
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
samsung,i2c-slave-addr = <0x38>; samsung,i2c-slave-addr = <0x38>;
@ -382,10 +370,6 @@ hdmiphy@38 {
}; };
}; };
i2c@121D0000 {
status = "disabled";
};
mmc_0: mmc@12200000 { mmc_0: mmc@12200000 {
status = "okay"; status = "okay";
num-slots = <1>; num-slots = <1>;

View File

@ -30,6 +30,7 @@ chosen {
i2c@12C60000 { i2c@12C60000 {
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <20000>; samsung,i2c-max-bus-freq = <20000>;
status = "okay";
eeprom@50 { eeprom@50 {
compatible = "samsung,s524ad0xd1"; compatible = "samsung,s524ad0xd1";
@ -64,6 +65,7 @@ spkvdd: fixed-regulator@2 {
i2c@12C70000 { i2c@12C70000 {
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <20000>; samsung,i2c-max-bus-freq = <20000>;
status = "okay";
eeprom@51 { eeprom@51 {
compatible = "samsung,s524ad0xd1"; compatible = "samsung,s524ad0xd1";
@ -92,6 +94,7 @@ i2c@121D0000 {
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <40000>; samsung,i2c-max-bus-freq = <40000>;
samsung,i2c-slave-addr = <0x38>; samsung,i2c-slave-addr = <0x38>;
status = "okay";
sata-phy { sata-phy {
compatible = "samsung,sata-phy"; compatible = "samsung,sata-phy";
@ -106,6 +109,7 @@ sata@122F0000 {
i2c@12C80000 { i2c@12C80000 {
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
status = "okay";
hdmiddc@50 { hdmiddc@50 {
compatible = "samsung,exynos4210-hdmiddc"; compatible = "samsung,exynos4210-hdmiddc";
@ -113,29 +117,10 @@ hdmiddc@50 {
}; };
}; };
i2c@12C90000 {
status = "disabled";
};
i2c@12CA0000 {
status = "disabled";
};
i2c@12CB0000 {
status = "disabled";
};
i2c@12CC0000 {
status = "disabled";
};
i2c@12CD0000 {
status = "disabled";
};
i2c@12CE0000 { i2c@12CE0000 {
samsung,i2c-sda-delay = <100>; samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>; samsung,i2c-max-bus-freq = <66000>;
status = "okay";
hdmiphy@38 { hdmiphy@38 {
compatible = "samsung,exynos4212-hdmiphy"; compatible = "samsung,exynos4212-hdmiphy";

View File

@ -244,6 +244,7 @@ i2c_0: i2c@12C60000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c0_bus>; pinctrl-0 = <&i2c0_bus>;
status = "disabled";
}; };
i2c_1: i2c@12C70000 { i2c_1: i2c@12C70000 {
@ -256,6 +257,7 @@ i2c_1: i2c@12C70000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c1_bus>; pinctrl-0 = <&i2c1_bus>;
status = "disabled";
}; };
i2c_2: i2c@12C80000 { i2c_2: i2c@12C80000 {
@ -268,6 +270,7 @@ i2c_2: i2c@12C80000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c2_bus>; pinctrl-0 = <&i2c2_bus>;
status = "disabled";
}; };
i2c_3: i2c@12C90000 { i2c_3: i2c@12C90000 {
@ -280,6 +283,7 @@ i2c_3: i2c@12C90000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c3_bus>; pinctrl-0 = <&i2c3_bus>;
status = "disabled";
}; };
i2c_4: i2c@12CA0000 { i2c_4: i2c@12CA0000 {
@ -292,6 +296,7 @@ i2c_4: i2c@12CA0000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c4_bus>; pinctrl-0 = <&i2c4_bus>;
status = "disabled";
}; };
i2c_5: i2c@12CB0000 { i2c_5: i2c@12CB0000 {
@ -304,6 +309,7 @@ i2c_5: i2c@12CB0000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c5_bus>; pinctrl-0 = <&i2c5_bus>;
status = "disabled";
}; };
i2c_6: i2c@12CC0000 { i2c_6: i2c@12CC0000 {
@ -316,6 +322,7 @@ i2c_6: i2c@12CC0000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c6_bus>; pinctrl-0 = <&i2c6_bus>;
status = "disabled";
}; };
i2c_7: i2c@12CD0000 { i2c_7: i2c@12CD0000 {
@ -328,6 +335,7 @@ i2c_7: i2c@12CD0000 {
clock-names = "i2c"; clock-names = "i2c";
pinctrl-names = "default"; pinctrl-names = "default";
pinctrl-0 = <&i2c7_bus>; pinctrl-0 = <&i2c7_bus>;
status = "disabled";
}; };
i2c_8: i2c@12CE0000 { i2c_8: i2c@12CE0000 {
@ -338,6 +346,7 @@ i2c_8: i2c@12CE0000 {
#size-cells = <0>; #size-cells = <0>;
clocks = <&clock 302>; clocks = <&clock 302>;
clock-names = "i2c"; clock-names = "i2c";
status = "disabled";
}; };
i2c@121D0000 { i2c@121D0000 {
@ -347,6 +356,7 @@ i2c@121D0000 {
#size-cells = <0>; #size-cells = <0>;
clocks = <&clock 288>; clocks = <&clock 288>;
clock-names = "i2c"; clock-names = "i2c";
status = "disabled";
}; };
spi_0: spi@12d20000 { spi_0: spi@12d20000 {