On 01/13/2017 06:37 AM, Bartosz Golaszewski wrote:
Add DT bindings for the TI DA850 AHCI SATA controller.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
---
.../devicetree/bindings/ata/ahci-da850.txt | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 Documentation/devicetree/bindings/ata/ahci-da850.txt
diff --git a/Documentation/devicetree/bindings/ata/ahci-da850.txt b/Documentation/devicetree/bindings/ata/ahci-da850.txt
new file mode 100644
index 0000000..d07c241
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/ahci-da850.txt
@@ -0,0 +1,21 @@
+Device tree binding for the TI DA850 AHCI SATA Controller
+---------------------------------------------------------
+
+Required properties:
+ - compatible: must be "ti,da850-ahci"
+ - reg: physical base addresses and sizes of the controller's register areas
+ - interrupts: interrupt specifier (refer to the interrupt binding)
+
+Optional properties:
+ - clocks: clock specifier (refer to the common clock binding)
+ - da850,clk_multiplier: the multiplier for the reference clock needed
+ for 1.5GHz PLL output
A clock multiplier property seems redundant if you are specifying a
clock. It should be possible to get the rate from the clock to determine
which multiplier is needed.
+
+Example:
+
+ sata: ahci@0x218000 {
+ compatible = "ti,da850-ahci";
+ reg = <0x218000 0x2000>, <0x22c018 0x4>;
+ interrupts = <67>;
+ da850,clk_multiplier = <7>;
+ };
--
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