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50 lines
1.5 KiB
50 lines
1.5 KiB
7 years ago
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From 962c46bf7f43df730e2d3698930e77958cc6b191 Mon Sep 17 00:00:00 2001
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From: Jonas Gorski <jonas.gorski@gmail.com>
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Date: Wed, 27 Jul 2016 11:35:45 +0200
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Subject: [PATCH 04/16] Documentation: add BCM6348 pincontroller binding
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documentation
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Add binding documentation for the pincontrol core found in BCM6348 SoCs.
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Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
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---
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.../bindings/pinctrl/brcm,bcm6348-pinctrl.txt | 32 ++++++++++++++++++++++
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1 file changed, 32 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/pinctrl/brcm,bcm6348-pinctrl.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/pinctrl/brcm,bcm6348-pinctrl.txt
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@@ -0,0 +1,32 @@
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+* Broadcom BCM6348 pin controller
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+
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+Required properties:
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+- compatible: Must be "brcm,bcm6348-pinctrl".
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+- reg: register Specifiers of dirout, dat, mode registers.
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+- reg-names: Must be "dirout", "dat", "mode".
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+- gpio-controller: Identifies this node as a GPIO controller.
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+- #gpio-cells: Must be <2>.
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+
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+Example:
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+
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+pinctrl: pin-controller@fffe0080 {
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+ compatible = "brcm,bcm6348-pinctrl";
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+ reg = <0xfffe0080 0x8>,
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+ <0xfffe0088 0x8>,
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+ <0xfffe0098 0x4>;
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+ reg-names = "dirout", "dat", "mode";
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+
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+ gpio-controller;
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+ #gpio-cells = <2>;
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+};
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+
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+Available pins/groups and functions:
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+
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+name pins functions
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+-----------------------------------------------------------
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+group0 32-36 ext_mii, utopia, diag
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+group1 22-31 ext_ephy, mii_snoop, mii_pccard,
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+ spi_master_uart, utopia, diag
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+group2 16-21 pci, diag
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+group3 8-15 ext_mii, utopia
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+group4 0-7 ext_ephy, mii_snoop, legacy_led, diag
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