[PATCH 06/13] Documentation: add BCM6358 pincontroller binding documentation

[Jonas Gorski <jonas.gorski-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

Add binding documentation for the pincontrol core found in BCM6358 SoCs.

Signed-off-by: Jonas Gorski <jonas.gorski-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 .../bindings/pinctrl/brcm,bcm6358-pinctrl.txt      | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.txt

diff --git a/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.txt
new file mode 100644
index 0000000..d1e1874
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.txt
@@ -0,0 +1,44 @@
+* Broadcom BCM6358 pin controller
+
+Required properties:
+- compatible: Must be "brcm,bcm6358-pinctrl".
+- reg: Register specifiers of dirout, dat registers.
+- reg-names: Must be "dirout", "dat".
+- brcm,gpiomode: Phandle to the shared gpiomode register.
+- gpio-controller: Identifies this node as a gpio-controller.
+- #gpio-cells: Must be <2>.
+
+Example:
+
+pinctrl: pin-controller@fffe0080 {
+	compatible = "brcm,bcm6358-pinctrl";
+	reg = <0xfffe0080 0x8>,
+	      <0xfffe0088 0x8>,
+	      <0xfffe0098 0x4>;
+	reg-names = "dirout", "dat";
+	brcm,gpiomode = <&gpiomode>;
+
+	gpio-controller;
+	#gpio-cells = <2>;
+};
+
+gpiomode: syscon@fffe0098 {
+	compatible = "brcm,bcm6358-gpiomode", "syscon";
+	reg = <0xfffe0098 0x4>;
+	native-endian;
+};
+
+Available pins/groups and functions:
+
+name		pins		functions
+-----------------------------------------------------------
+ebi_cs_grp	30-31		ebi_cs
+uart1_grp	28-31		uart1
+spi_cs_grp	32-33		spi_cs
+async_modem_grp	12-15		async_modem
+legacy_led_grp	9-15		legacy_led
+serial_led_grp	6-7		serial_led
+led_grp		0-3		led
+utopia_grp	12-15, 22-31	utopia
+pwm_syn_clk_grp	8		pwm_syn_clk
+sys_irq_grp	5		sys_irq
-- 
2.1.4

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