diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.9/001-4.12-02-spi-bcm63xx-document-device-tree-bindings.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.9/001-4.12-02-spi-bcm63xx-document-device-tree-bindings.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.9/001-4.12-02-spi-bcm63xx-document-device-tree-bindings.patch b/target/linux/brcm63xx/patches-4.9/001-4.12-02-spi-bcm63xx-document-device-tree-bindings.patch new file mode 100644 index 0000000000..524c50e610 --- /dev/null +++ b/target/linux/brcm63xx/patches-4.9/001-4.12-02-spi-bcm63xx-document-device-tree-bindings.patch @@ -0,0 +1,50 @@ +From 0a0c39044332a75eaf4a3c5654079df953b0d839 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jogo@openwrt.org> +Date: Mon, 7 Sep 2015 21:00:38 +0200 +Subject: [PATCH 3/8] spi/bcm63xx: document device tree bindings + +Add documentation for the bindings of the low speed SPI controller found +on most bcm63xx SoCs. + +Signed-off-by: Jonas Gorski <jogo@openwrt.org> +--- + .../devicetree/bindings/spi/spi-bcm63xx.txt | 33 ++++++++++++++++++++++ + 1 file changed, 33 insertions(+) + create mode 100644 Documentation/devicetree/bindings/spi/spi-bcm63xx.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/spi/spi-bcm63xx.txt +@@ -0,0 +1,33 @@ ++Binding for Broadcom BCM6348/BCM6358 SPI controller ++ ++Required properties: ++- compatible: must contain one of "brcm,bcm6348-spi", "brcm,bcm6358-spi". ++- reg: Base address and size of the controllers memory area. ++- interrupts: Interrupt for the SPI block. ++- clocks: phandle of the SPI clock. ++- clock-names: has to be "spi". ++- #address-cells: <1>, as required by generic SPI binding. ++- #size-cells: <0>, also as required by generic SPI binding. ++ ++Optional properties: ++- num-cs: some controllers have less than 8 cs signals. Defaults to 8 ++ if absent. ++ ++Child nodes as per the generic SPI binding. ++ ++Example: ++ ++ spi@10000800 { ++ compatible = "brcm,bcm6368-spi", "brcm,bcm6358-spi"; ++ reg = <0x10000800 0x70c>; ++ ++ interrupts = <1>; ++ ++ clocks = <&clkctl 9>; ++ clock-names = "spi"; ++ ++ num-cs = <5>; ++ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ }; |