* [PATCH 3/3] ata: qcom: Add device tree bindings information
[not found] <1402600404-19214-1-git-send-email-galak@codeaurora.org>
@ 2014-06-12 19:13 ` Kumar Gala
0 siblings, 0 replies; only message in thread
From: Kumar Gala @ 2014-06-12 19:13 UTC (permalink / raw)
To: Tejun Heo, Rob Herring, Pawel Moll, Mark Rutland, Ian Campbell
Cc: Kumar Gala, linux-ide, linux-arm-msm, linux-kernel, devicetree,
linux-arm-kernel
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 <galak@codeaurora.org>
---
.../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@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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