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target/linux/brcm63xx/patches-4.14/139-Documentation-add-BCM6368-pincontroller-binding-docu.patch Normal file
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From 30594cf9bfff176a9e4b14c50dcd8b9d0cc3edec Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Wed, 27 Jul 2016 11:36:51 +0200
Subject: [PATCH 10/16] Documentation: add BCM6368 pincontroller binding
documentation
Add binding documentation for the pincontrol core found in BCM6368 SoCs.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
.../bindings/pinctrl/brcm,bcm6368-pinctrl.txt | 67 ++++++++++++++++++++++
1 file changed, 67 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.txt
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6368-pinctrl.txt
@@ -0,0 +1,67 @@
+* Broadcom BCM6368 pin controller
+
+Required properties:
+- compatible: Must be "brcm,bcm6368-pinctrl".
+- reg: Register specifiers of dirout, dat, mode registers.
+- reg-names: Must be "dirout", "dat", "mode".
+- brcm,gpiobasemode: Phandle to the gpio basemode register.
+- gpio-controller: Identifies this node as a GPIO controller.
+- #gpio-cells: Must be <2>.
+
+Example:
+
+pinctrl: pin-controller@10000080 {
+ compatible = "brcm,bcm6368-pinctrl";
+ reg = <0x10000080 0x08>,
+ <0x10000088 0x08>,
+ <0x10000098 0x04>;
+ reg-names = "dirout", "dat", "mode";
+ brcm,gpiobasemode = <&gpiobasemode>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+};
+
+gpiobasemode: syscon@100000b8 {
+ compatible = "brcm,bcm6368-gpiobasemode", "syscon";
+ reg = <0x100000b8 4>;
+ native-endian;
+};
+
+Available pins/groups and functions:
+
+name pins functions
+-----------------------------------------------------------
+gpio0 0 analog_afe0
+gpio1 1 analog_afe1
+gpio2 2 sys_irq
+gpio3 3 serial_led_data
+gpio4 4 serial_led_clk
+gpio5 5 inet_led
+gpio6 6 ephy0_led
+gpio7 7 ephy1_led
+gpio8 8 ephy2_led
+gpio9 9 ephy3_led
+gpio10 10 robosw_led_data
+gpio11 11 robosw_led_clk
+gpio12 12 robosw_led0
+gpio13 13 robosw_led1
+gpio14 14 usb_device_led
+gpio15 15 -
+gpio16 16 pci_req1
+gpio17 17 pci_gnt1
+gpio18 18 pci_intb
+gpio19 19 pci_req0
+gpio20 20 pci_gnt0
+gpio21 21 -
+gpio22 22 pcmcia_cd1
+gpio23 23 pcmcia_cd2
+gpio24 24 pcmcia_vs1
+gpio25 25 pcmcia_vs2
+gpio26 26 ebi_cs2
+gpio27 27 ebi_cs3
+gpio28 28 spi_cs2
+gpio29 29 spi_cs3
+gpio30 30 spi_cs4
+gpio31 31 spi_cs5
+uart1_grp 30-33 uart1