[PATCH 3/3] ata: qcom: Add device tree bindings information
From: Kumar Gala <hidden>
Date: 2014-06-12 19:13:33
Also in:
linux-arm-msm, linux-devicetree, linux-ide, lkml
Subsystem:
arm/qualcomm mailing list, libata subsystem (serial and parallel ata drivers), open firmware and flattened device tree bindings, the rest · Maintainers:
Damien Le Moal, Niklas Cassel, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add device tree binding for Qualcomm AHCI SATA controller and specifically the sata controller on the IPQ806x family of SoCs. Signed-off-by: Kumar Gala <redacted> --- .../devicetree/bindings/ata/qcom-sata.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/ata/qcom-sata.txt
diff --git a/Documentation/devicetree/bindings/ata/qcom-sata.txt b/Documentation/devicetree/bindings/ata/qcom-sata.txt
new file mode 100644
index 0000000..5e74e41
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/qcom-sata.txt@@ -0,0 +1,40 @@ +* Qualcomm AHCI SATA Controller + +SATA nodes are defined to describe on-chip Serial ATA controllers. +Each SATA controller should have its own node. + +Required properties: +- compatible : compatible list, contains "qcom,msm-ahci" +- interrupts : <interrupt mapping for SATA IRQ> +- reg : <registers mapping> +- phys : Must contain exactly one entry as specified + in phy-bindings.txt +- phy-names : Must be "sata-phy" + +Required properties for "qcom,ipq806x-ahci" compatible: +- clocks : Must contain an entry for each entry in clock-names. +- clock-names : Shall be: + "slave_iface" - Fabric port AHB clock for SATA + "iface" - AHB clock + "core" - core clock + "rxoob" - RX out-of-band clock + "pmalive" - Power Module Alive clock + +Example: + sata at 29000000 { + compatible = "qcom,ipq806x-ahci", "qcom,msm-ahci"; + reg = <0x29000000 0x180>; + + interrupts = <0 209 0x0>; + + clocks = <&gcc SFAB_SATA_S_H_CLK>, + <&gcc SATA_H_CLK>, + <&gcc SATA_A_CLK>, + <&gcc SATA_RXOOB_CLK>, + <&gcc SATA_PMALIVE_CLK>; + clock-names = "slave_iface", "iface", "core", + "rxoob", "pmalive"; + + phys = <&sata_phy>; + phy-names = "sata-phy"; + };
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