linux-kernel - [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA controller

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Date:   Mon, 13 Mar 2017 17:36:21 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Tejun Heo <tj@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Patrick Titiano <ptitiano@...libre.com>
Cc:     linux-ide@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 1/2] dt-bindings: ata: add DT bindings for ahci-dm816 SATA controller

Add DT bindings for the onboard SATA controller present on the DM816x
SoCs.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 Documentation/devicetree/bindings/ata/ahci-dm816.txt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/ata/ahci-dm816.txt

diff --git a/Documentation/devicetree/bindings/ata/ahci-dm816.txt b/Documentation/devicetree/bindings/ata/ahci-dm816.txt
new file mode 100644
index 0000000..b87ed5a
--- /dev/null
+++ b/Documentation/devicetree/bindings/ata/ahci-dm816.txt
@@ -0,0 +1,20 @@
+Device tree binding for the TI DM816 AHCI SATA Controller
+---------------------------------------------------------
+
+Required properties:
+  - compatible: must be "ti,dm816-ahci"
+  - reg: physical base address and size of the register region used by
+         the controller (as defined by the AHCI 1.1 standard)
+  - interrupts: interrupt specifier (refer to the interrupt binding)
+  - clocks: clock specifiers (refer to the clock binding); two clocks
+            must be specified: the functional clock and an external
+            reference clock
+
+Example:
+
+	sata: sata@...40000 {
+		compatible = "ti,dm816-ahci";
+		reg = <0x4a140000 0xffff>;
+		interrupts = <16>;
+		clocks = <&sysclk5_ck>, <&sata_refclk>;
+	};
-- 
2.9.3