linux-kernel - [PATCH 1/2] dt-bindings: serial: Add MediaTek BTIF controller bindings

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Message-ID: <6b2ad0dc976259563562e7ab23abdacf68c94aa5.1501692369.git.sean.wang@mediatek.com>
Date:   Thu, 3 Aug 2017 01:05:22 +0800
From:   <sean.wang@...iatek.com>
To:     <robh+dt@...nel.org>, <gregkh@...uxfoundation.org>,
        <jslaby@...e.com>, <andriy.shevchenko@...ux.intel.com>,
        <jan.kiszka@...mens.com>, <heikki.krogerus@...ux.intel.com>,
        <hpeter@...il.com>, <vigneshr@...com>, <matthias.bgg@...il.com>
CC:     <devicetree@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
        <linux-serial@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH 1/2] dt-bindings: serial: Add MediaTek BTIF controller bindings

From: Sean Wang <sean.wang@...iatek.com>

Document the devicetree bindings for MediaTek BTIF controller
which could be found on MT7622 and MT7623 SoC.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 .../devicetree/bindings/serial/mtk-btif.txt        | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/serial/mtk-btif.txt

diff --git a/Documentation/devicetree/bindings/serial/mtk-btif.txt b/Documentation/devicetree/bindings/serial/mtk-btif.txt
new file mode 100644
index 0000000..80c1f5a
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/mtk-btif.txt
@@ -0,0 +1,26 @@
+Device-Tree bindings for MediaTek BTIF controller found on those
+MediaTek SoCs with Bluetooth feature
+
+Required properties:
+- compatible: Should be one of:
+	- "mediatek,mt7622-btif" : for MT7622 SoC
+	- "mediatek,mt7623-btif" : for MT7623 SoC
+- reg: The base address of the BTIF register bank;
+- interrupts: A single interrupt specifier;
+- clocks: list of clock specifiers, corresponding to
+	  entries in clock-names property;
+- clock-names: should contain "main" entries.
+
+Optional properties:
+- mediatek,loopback: Boolean; if defined, indicates that BTIF controller
+	running on the loopback mode.
+
+Example:
+
+	btif: btif@...0c000 {
+		compatible = "mediatek,mt7623-btif";
+		reg = <0 0x1100c000 0 0x1000>;
+		interrupts = <GIC_SPI 50 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&pericfg CLK_PERI_BTIF>;
+		clock-names = "main";
+	};
-- 
2.7.4