diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-4.4/001-4.12-05-spi-bcm63xx-hsspi-document-device-tree-bindings.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.4/001-4.12-05-spi-bcm63xx-hsspi-document-device-tree-bindings.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-4.4/001-4.12-05-spi-bcm63xx-hsspi-document-device-tree-bindings.patch b/target/linux/brcm63xx/patches-4.4/001-4.12-05-spi-bcm63xx-hsspi-document-device-tree-bindings.patch new file mode 100644 index 0000000000..8f77f4eb24 --- /dev/null +++ b/target/linux/brcm63xx/patches-4.4/001-4.12-05-spi-bcm63xx-hsspi-document-device-tree-bindings.patch @@ -0,0 +1,51 @@ +From ff759cc25db31bbb3469abb16a0306f110c4c7fa Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Thu, 10 Sep 2015 14:52:32 +0200 +Subject: [PATCH 2/3] dt-bindings: spi: document bcm63xx HS SPI devicetree + bindings + +Add documentation for the bindings of the high speed SPI controller found +on newer bcm63xx SoCs. + +Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> +--- + .../devicetree/bindings/spi/spi-bcm63xx-hsspi.txt | 33 ++++++++++++++++++++++ + 1 file changed, 33 insertions(+) + create mode 100644 Documentation/devicetree/bindings/spi/spi-bcm63xx-hsspi.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/spi/spi-bcm63xx-hsspi.txt +@@ -0,0 +1,33 @@ ++Binding for Broadcom BCM6328 High Speed SPI controller ++ ++Required properties: ++- compatible: must contain of "brcm,bcm6328-hsspi". ++- reg: Base address and size of the controllers memory area. ++- interrupts: Interrupt for the SPI block. ++- clocks: phandles of the SPI clock and the PLL clock. ++- clock-names: must be "hsspi", "pll". ++- #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@10001000 { ++ compatible = "brcm,bcm6328-hsspi"; ++ reg = <0x10001000 0x600>; ++ ++ interrupts = <29>; ++ ++ clocks = <&clkctl 9>, <&hsspi_pll>; ++ clock-names = "hsspi", "pll"; ++ ++ num-cs = <2>; ++ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ }; |