[PATCH 04/13] Documentation: add BCM6348 pincontroller binding documentation
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: 2016-08-19 10:53:36
Also in:
linux-gpio
Subsystem:
open firmware and flattened device tree bindings, pin control subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Walleij, Linus Torvalds
Add binding documentation for the pincontrol core found in BCM6348 SoCs. Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> --- .../bindings/pinctrl/brcm,bcm6348-pinctrl.txt | 32 ++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6348-pinctrl.txt
diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6348-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6348-pinctrl.txt
new file mode 100644
index 0000000..3df7f30
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6348-pinctrl.txt@@ -0,0 +1,32 @@ +* Broadcom BCM6348 pin controller + +Required properties: +- compatible: Must be "brcm,bcm6348-pinctrl". +- reg: register Specifiers of dirout, dat, mode registers. +- reg-names: Must be "dirout", "dat", "mode". +- gpio-controller: Identifies this node as a GPIO controller. +- #gpio-cells: Must be <2>. + +Example: + +pinctrl: pin-controller@fffe0080 { + compatible = "brcm,bcm6348-pinctrl"; + reg = <0xfffe0080 0x8>, + <0xfffe0088 0x8>, + <0xfffe0098 0x4>; + reg-names = "dirout", "dat", "mode"; + + gpio-controller; + #gpio-cells = <2>; +}; + +Available pins/groups and functions: + +name pins functions +----------------------------------------------------------- +group0 32-36 ext_mii, utopia, diag +group1 22-31 ext_ephy, mii_snoop, mii_pccard, + spi_master_uart, utopia, diag +group2 16-21 pci, diag +group3 8-15 ext_mii, utopia +group4 0-7 ext_ephy, mii_snoop, legacy_led, diag
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2.1.4