This patch disabled I2C/SPI/UART device initially(status = "disabled"). This devices will only be probed, if the devices are present in the dts file(status = "okay").
Signed-off-by: Sourav Poddar <[email protected]> --- arch/arm/boot/dts/dra7.dtsi | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index a5d9350..40e450b 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -206,6 +206,7 @@ interrupts = <0 72 0x4>; ti,hwmods = "uart1"; clock-frequency = <48000000>; + status = "disabled"; }; uart2: serial@4806c000 { @@ -214,6 +215,7 @@ interrupts = <0 73 0x4>; ti,hwmods = "uart2"; clock-frequency = <48000000>; + status = "disabled"; }; uart3: serial@48020000 { @@ -222,6 +224,7 @@ interrupts = <0 74 0x4>; ti,hwmods = "uart3"; clock-frequency = <48000000>; + status = "disabled"; }; uart4: serial@4806e000 { @@ -230,6 +233,7 @@ interrupts = <0 70 0x4>; ti,hwmods = "uart4"; clock-frequency = <48000000>; + status = "disabled"; }; uart5: serial@48066000 { @@ -238,6 +242,7 @@ interrupts = <0 105 0x4>; ti,hwmods = "uart5"; clock-frequency = <48000000>; + status = "disabled"; }; uart6: serial@48068000 { @@ -246,6 +251,7 @@ interrupts = <0 106 0x4>; ti,hwmods = "uart6"; clock-frequency = <48000000>; + status = "disabled"; }; timer1: timer@4ae18000 { @@ -354,6 +360,7 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c1"; + status = "disabled"; }; i2c2: i2c@48072000 { @@ -363,6 +370,7 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c2"; + status = "disabled"; }; i2c3: i2c@48060000 { @@ -372,6 +380,7 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c3"; + status = "disabled"; }; i2c4: i2c@4807a000 { @@ -381,6 +390,7 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c4"; + status = "disabled"; }; i2c5: i2c@4807c000 { @@ -390,6 +400,7 @@ #address-cells = <1>; #size-cells = <0>; ti,hwmods = "i2c5"; + status = "disabled"; }; mmc1: mmc@4809c000 { @@ -451,6 +462,7 @@ <&sdma 42>; dma-names = "tx0", "rx0", "tx1", "rx1", "tx2", "rx2", "tx3", "rx3"; + status = "disabled"; }; mcspi2: spi@4809a000 { @@ -466,6 +478,7 @@ <&sdma 45>, <&sdma 46>; dma-names = "tx0", "rx0", "tx1", "rx1"; + status = "disabled"; }; mcspi3: spi@480b8000 { @@ -478,6 +491,7 @@ ti,spi-num-cs = <2>; dmas = <&sdma 15>, <&sdma 16>; dma-names = "tx0", "rx0"; + status = "disabled"; }; mcspi4: spi@480ba000 { @@ -490,6 +504,7 @@ ti,spi-num-cs = <1>; dmas = <&sdma 70>, <&sdma 71>; dma-names = "tx0", "rx0"; + status = "disabled"; }; }; }; -- 1.7.1 _______________________________________________ devicetree-discuss mailing list [email protected] https://lists.ozlabs.org/listinfo/devicetree-discuss
