[PATCH 1/2] dt-bindings: serial: Add MediaTek BTIF controller bindings
From: robh@kernel.org (Rob Herring)
Date: 2017-08-10 16:27:59
Also in:
linux-devicetree, linux-mediatek, linux-serial, lkml
On Thu, Aug 03, 2017 at 01:05:22AM +0800, sean.wang at mediatek.com wrote:
quoted hunk ↗ jump to hunk
From: Sean Wang <sean.wang@mediatek.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@mediatek.com> --- .../devicetree/bindings/serial/mtk-btif.txt | 26 ++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/mtk-btif.txtdiff --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.
I don't think this belongs in DT, but should be a module param or sysfs control.
+
+Example:
+
+ btif: btif at 1100c000 {bluetooth at ...
+ 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