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68 lines
2.4 KiB
Diff
68 lines
2.4 KiB
Diff
From b263e0bb9d4585ca3ec04d7257ca5308d21333bb Mon Sep 17 00:00:00 2001
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From: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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Date: Sun, 16 Oct 2016 22:59:05 +0200
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Subject: [PATCH 1/3] Documentation: dt: net: add ath9k wireless device binding
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Add documentation how devicetree can be used to configure ath9k based
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devices.
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Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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Acked-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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---
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.../devicetree/bindings/net/wireless/qca,ath9k.txt | 48 ++++++++++++++++++++++
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1 file changed, 48 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt
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@@ -0,0 +1,48 @@
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+* Qualcomm Atheros ath9k wireless devices
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+
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+This node provides properties for configuring the ath9k wireless device. The
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+node is expected to be specified as a child node of the PCI controller to
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+which the wireless chip is connected.
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+
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+Required properties:
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+- compatible: For PCI and PCIe devices this should be an identifier following
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+ the format as defined in "PCI Bus Binding to Open Firmware"
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+ Revision 2.1. One of the possible formats is "pciVVVV,DDDD"
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+ where VVVV is the PCI vendor ID and DDDD is PCI device ID.
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+ Typically QCA's PCI vendor ID 168c is used while the PCI device
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+ ID depends on the chipset - see the following (possibly
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+ incomplete) list:
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+ - 0023 for AR5416
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+ - 0024 for AR5418
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+ - 0027 for AR9160
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+ - 0029 for AR9220 and AR9223
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+ - 002a for AR9280 and AR9283
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+ - 002b for AR9285
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+ - 002c for AR2427
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+ - 002d for AR9227
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+ - 002e for AR9287
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+ - 0030 for AR9380, AR9381 and AR9382
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+ - 0032 for AR9485
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+ - 0033 for AR9580 and AR9590
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+ - 0034 for AR9462
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+ - 0036 for AR9565
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+ - 0037 for AR9485
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+- reg: Address and length of the register set for the device.
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+
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+Optional properties:
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+- qca,no-eeprom: Indicates that there is no physical EEPROM connected to the
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+ ath9k wireless chip (in this case the calibration /
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+ EEPROM data will be loaded from userspace using the
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+ kernel firmware loader).
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+- mac-address: See ethernet.txt in the parent directory
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+- local-mac-address: See ethernet.txt in the parent directory
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+
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+
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+In this example, the node is defined as child node of the PCI controller:
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+&pci0 {
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+ wifi@168c,002d {
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+ compatible = "pci168c,002d";
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+ reg = <0x7000 0 0 0 0x1000>;
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+ qca,no-eeprom;
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+ };
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+};
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