| Message ID | 958f8a0ef0b557fdfcc02a1e86536e1f97a16e22.1522736996.git.sean.wang@mediatek.com |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | add support for Bluetooth on MT7622 SoC | expand |
On Tue, Apr 03, 2018 at 03:15:51PM +0800, sean.wang@mediatek.com wrote: > From: Sean Wang <sean.wang@mediatek.com> > > Add binding document for a SoC built-in device using MediaTek protocol. > Which could be found on MT7622 SoC or other similar MediaTek SoCs. > > Signed-off-by: Sean Wang <sean.wang@mediatek.com> > --- > .../devicetree/bindings/net/mediatek-bluetooth.txt | 35 ++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > create mode 100644 Documentation/devicetree/bindings/net/mediatek-bluetooth.txt Reviewed-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt new file mode 100644 index 0000000..1335429 --- /dev/null +++ b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt @@ -0,0 +1,35 @@ +MediaTek SoC built-in Bluetooth Devices +================================== + +This device is a serial attached device to BTIF device and thus it must be a +child node of the serial node with BTIF. The dt-bindings details for BTIF +device can be known via Documentation/devicetree/bindings/serial/8250.txt. + +Required properties: + +- compatible: Must be one of + "mediatek,mt7622-bluetooth"": for MT7622 SoC +- clocks: Should be the clock specifiers corresponding to the entry in + clock-names property. +- clock-names: Should contain "ref" entries. +- power-domains: Phandle to the power domain that the device is part of + +Example: + + btif: serial@1100c000 { + compatible = "mediatek,mt7622-btif", + "mediatek,mtk-btif"; + reg = <0 0x1100c000 0 0x1000>; + interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_LOW>; + clocks = <&pericfg CLK_PERI_BTIF_PD>; + clock-names = "main"; + reg-shift = <2>; + reg-io-width = <4>; + + bluetooth { + compatible = "mediatek,mt7622-bluetooth"; + power-domains = <&scpsys MT7622_POWER_DOMAIN_WB>; + clocks = <&clk25m>; + clock-names = "ref"; + }; + };