diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/brcm,bcm4708-pinmux.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/brcm,bcm4708-pinmux.txt | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm4708-pinmux.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm4708-pinmux.txt index 4fa9539070cb..8ab2d468dbdb 100644 --- a/Documentation/devicetree/bindings/pinctrl/brcm,bcm4708-pinmux.txt +++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm4708-pinmux.txt @@ -7,13 +7,15 @@ configure controller correctly. A list of pins varies across chipsets so few bindings are available. +Node of the pinmux must be nested in the CRU (Central Resource Unit) "syscon" +noce. + Required properties: - compatible: must be one of: "brcm,bcm4708-pinmux" "brcm,bcm4709-pinmux" "brcm,bcm53012-pinmux" -- reg: iomem address range of CRU (Central Resource Unit) pin registers -- reg-names: "cru_gpio_control" - the only needed & supported reg right now +- offset: offset of pin registers in the CRU block Functions and their groups available for all chipsets: - "spi": "spi_grp" @@ -37,16 +39,12 @@ Example: #size-cells = <1>; cru@100 { - compatible = "simple-bus"; + compatible = "syscon", "simple-mfd"; reg = <0x100 0x1a4>; - ranges; - #address-cells = <1>; - #size-cells = <1>; - pin-controller@1c0 { + pinctrl { compatible = "brcm,bcm4708-pinmux"; - reg = <0x1c0 0x24>; - reg-names = "cru_gpio_control"; + offset = <0xc0>; spi-pins { function = "spi"; |