From 03a740fb682c5ae9bf49ebad284986e9afc63958 Mon Sep 17 00:00:00 2001 From: Suneel Garapati Date: Tue, 9 Jun 2015 14:23:49 +0530 Subject: [PATCH] devicetree:bindings: add devicetree bindings for ceva ahci adds bindings for CEVA AHCI SATA controller. optional property broken-gen2 is useful incase of hardware speed limitation. Signed-off-by: Suneel Garapati Signed-off-by: Tejun Heo --- .../devicetree/bindings/ata/ahci-ceva.txt | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 Documentation/devicetree/bindings/ata/ahci-ceva.txt diff --git a/Documentation/devicetree/bindings/ata/ahci-ceva.txt b/Documentation/devicetree/bindings/ata/ahci-ceva.txt new file mode 100644 index 000000000000..7ca8b976c13a --- /dev/null +++ b/Documentation/devicetree/bindings/ata/ahci-ceva.txt @@ -0,0 +1,20 @@ +Binding for CEVA AHCI SATA Controller + +Required properties: + - reg: Physical base address and size of the controller's register area. + - compatible: Compatibility string. Must be 'ceva,ahci-1v84'. + - clocks: Input clock specifier. Refer to common clock bindings. + - interrupts: Interrupt specifier. Refer to interrupt binding. + +Optional properties: + - ceva,broken-gen2: limit to gen1 speed instead of gen2. + +Examples: + ahci@fd0c0000 { + compatible = "ceva,ahci-1v84"; + reg = <0xfd0c0000 0x200>; + interrupt-parent = <&gic>; + interrupts = <0 133 4>; + clocks = <&clkc SATA_CLK_ID>; + ceva,broken-gen2; + }; -- GitLab