openwrt/target/linux/ramips/patches-6.1/820-DT-Add-documentation-for-spi-rt2880.patch
Mieczyslaw Nalewaj ed57a9f6a8 kernel/ramips: Restore kernel patches for v6.1
This is an automatically generated commit which aids following Kernel patch history,
as git will see the move and copy as a rename thus defeating the purpose.

See: https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html
for the original discussion.

Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
2024-04-05 07:58:15 +02:00

45 lines
1.2 KiB
Diff

From da6015e7f19d749f135f7ac55c4ec47b06faa868 Mon Sep 17 00:00:00 2001
From: John Crispin <blogic@openwrt.org>
Date: Fri, 9 Aug 2013 20:12:59 +0200
Subject: [PATCH 41/53] DT: Add documentation for spi-rt2880
Describe the SPI master found on the MIPS based Ralink RT2880 SoC.
Signed-off-by: John Crispin <blogic@openwrt.org>
---
.../devicetree/bindings/spi/spi-rt2880.txt | 28 ++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt
@@ -0,0 +1,28 @@
+Ralink SoC RT2880 SPI master controller.
+
+This SPI controller is found on most wireless SoCs made by ralink.
+
+Required properties:
+- compatible : "ralink,rt2880-spi"
+- reg : The register base for the controller.
+- #address-cells : <1>, as required by generic SPI binding.
+- #size-cells : <0>, also as required by generic SPI binding.
+
+Child nodes as per the generic SPI binding.
+
+Example:
+
+ spi@b00 {
+ compatible = "ralink,rt2880-spi";
+ reg = <0xb00 0x100>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ m25p80@0 {
+ compatible = "m25p80";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ };
+ };
+