654bc380ec
keep default as 3.14, mt7621 gic need to be ported to 3.18 Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 44349
45 lines
1.2 KiB
Diff
45 lines
1.2 KiB
Diff
From 6ed8d03e5f4283b60dffea5c10ff1484141824e7 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Fri, 9 Aug 2013 20:12:59 +0200
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Subject: [PATCH 49/57] DT: Add documentation for spi-rt2880
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Describe the SPI master found on the MIPS based Ralink RT2880 SoC.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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.../devicetree/bindings/spi/spi-rt2880.txt | 28 ++++++++++++++++++++
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1 file changed, 28 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt
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@@ -0,0 +1,28 @@
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+Ralink SoC RT2880 SPI master controller.
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+
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+This SPI controller is found on most wireless SoCs made by ralink.
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+
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+Required properties:
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+- compatible : "ralink,rt2880-spi"
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+- reg : The register base for the controller.
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+- #address-cells : <1>, as required by generic SPI binding.
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+- #size-cells : <0>, also as required by generic SPI binding.
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+
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+Child nodes as per the generic SPI binding.
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+
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+Example:
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+
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+ spi@b00 {
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+ compatible = "ralink,rt2880-spi";
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+ reg = <0xb00 0x100>;
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+
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ m25p80@0 {
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+ compatible = "m25p80";
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+ reg = <0>;
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+ spi-max-frequency = <10000000>;
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+ };
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+ };
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+
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