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openwrt/target/linux/bcm63xx/patches-4.19/135-Documentation-add-BCM6358-pincontroller-binding-docu.patch
Adrian Schmutzler e7bfda2c24 brcm63xx: rename target to bcm63xx
This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-02-14 14:10:51 +01:00

62 lines
1.8 KiB
Diff

From c7c8fa7f5b5ee9bea751fa7bdae8ff4acde8f26e Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jonas.gorski@gmail.com>
Date: Wed, 27 Jul 2016 11:36:00 +0200
Subject: [PATCH 06/16] Documentation: add BCM6358 pincontroller binding
documentation
Add binding documentation for the pincontrol core found in BCM6358 SoCs.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
---
.../bindings/pinctrl/brcm,bcm6358-pinctrl.txt | 44 ++++++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6358-pinctrl.txt
--- /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