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powerpc: Add I2C bus multiplexer node for B4 and T4240QDS

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In both B4 and T4240QDS platform PCA9547 I2C bus multiplexer is used.
The sub-nodes are also reorganized according to right I2C topology.

Signed-off-by: Jia Hongtao <hongtao.jia@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Hongtao Jia 2013-09-09 18:03:33 +08:00 committed by Scott Wood
parent 788d399d3c
commit afc4b47372
2 changed files with 73 additions and 47 deletions
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13
arch/powerpc/boot/dts/b4qds.dtsi
View file

@ -120,6 +120,17 @@
};
i2c@118000 {
mux@77 {
compatible = "nxp,pca9547";
reg = <0x77>;
#address-cells = <1>;
#size-cells = <0>;
i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
eeprom@50 {
compatible = "at24,24c64";
reg = <0x50>;
@ -141,6 +152,8 @@
reg = <0x68>;
};
};
};
};
usb@210000 {
dr_mode = "host";

13
arch/powerpc/boot/dts/t4240qds.dts
View file

@ -118,6 +118,17 @@
};
i2c@118000 {
mux@77 {
compatible = "nxp,pca9547";
reg = <0x77>;
#address-cells = <1>;
#size-cells = <0>;
i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
eeprom@51 {
compatible = "at24,24c256";
reg = <0x51>;
@ -148,6 +159,8 @@
interrupts = <0x1 0x1 0 0>;
};
};
};
};
sdhc@114000 {
voltage-ranges = <1800 1800 3300 3300>;