openwrt/target/linux/brcm63xx/patches-4.9/133-Documentation-add-BCM6348-pincontroller-binding-docu.patch

From 962c46bf7f43df730e2d3698930e77958cc6b191 Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Wed, 27 Jul 2016 11:35:45 +0200
Subject: [PATCH 04/16] Documentation: add BCM6348 pincontroller binding
 documentation

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

--- /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