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Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt')
-rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt b/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt deleted file mode 100644 index 7abda506b828..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.txt +++ /dev/null @@ -1,74 +0,0 @@ -* NXP PCA954x I2C bus switch - -The driver supports NXP PCA954x and PCA984x I2C mux/switch devices. - -Required Properties: - - - compatible: Must contain one of the following. - "nxp,pca9540", - "nxp,pca9542", - "nxp,pca9543", - "nxp,pca9544", - "nxp,pca9545", - "nxp,pca9546", "nxp,pca9846", - "nxp,pca9547", "nxp,pca9847", - "nxp,pca9548", "nxp,pca9848", - "nxp,pca9849" - - - reg: The I2C address of the device. - - The following required properties are defined externally: - - - Standard I2C mux properties. See i2c-mux.txt in this directory. - - I2C child bus nodes. See i2c-mux.txt in this directory. - -Optional Properties: - - - reset-gpios: Reference to the GPIO connected to the reset input. - - idle-state: if present, overrides i2c-mux-idle-disconnect, - Please refer to Documentation/devicetree/bindings/mux/mux-controller.txt - - i2c-mux-idle-disconnect: Boolean; if defined, forces mux to disconnect all - children in idle state. This is necessary for example, if there are several - multiplexers on the bus and the devices behind them use same I2C addresses. - - interrupts: Interrupt mapping for IRQ. - - interrupt-controller: Marks the device node as an interrupt controller. - - #interrupt-cells : Should be two. - - first cell is the pin number - - second cell is used to specify flags. - See also Documentation/devicetree/bindings/interrupt-controller/interrupts.txt - -Example: - - i2c-switch@74 { - compatible = "nxp,pca9548"; - #address-cells = <1>; - #size-cells = <0>; - reg = <0x74>; - - interrupt-parent = <&ipic>; - interrupts = <17 IRQ_TYPE_LEVEL_LOW>; - interrupt-controller; - #interrupt-cells = <2>; - - i2c@2 { - #address-cells = <1>; - #size-cells = <0>; - reg = <2>; - - eeprom@54 { - compatible = "atmel,24c08"; - reg = <0x54>; - }; - }; - - i2c@4 { - #address-cells = <1>; - #size-cells = <0>; - reg = <4>; - - rtc@51 { - compatible = "nxp,pcf8563"; - reg = <0x51>; - }; - }; - }; |