| Message ID | c31b9ed0f2c711f53ad88c96f2d0a1bd22d9de58.1550184473.git.sean.wang@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Bluetooth: mediatek: add support for MediaTek MT7663U and MT7668U UART devices | expand |
Hi Rob, > Update binding document with adding support of MT7663U and MT7668U UART > devices to mediatek-bluetooth. > > Signed-off-by: Sean Wang <sean.wang@mediatek.com> > --- > .../bindings/net/mediatek-bluetooth.txt | 64 +++++++++++++++++++ > 1 file changed, 64 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt > index 14ceb2a5b4e8..41a7dcc80f5b 100644 > --- a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt > +++ b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt > @@ -33,3 +33,67 @@ Example: > clock-names = "ref"; > }; > }; > + > +MediaTek UART based Bluetooth Devices > +================================== > + > +This device is a serial attached device to UART device and thus it must be a > +child node of the serial node with UART. > + > +Please refer to the following documents for generic properties: > + > + Documentation/devicetree/bindings/serial/slave-device.txt > + > +Required properties: > + > +- compatible: Must be > + "mediatek,mt7663u-bluetooth": for MT7663U device > + "mediatek,mt7668u-bluetooth": for MT7668U device > +- vcc-supply: Main voltage regulator > +- pinctrl-names: Should be "default", "runtime" > +- pinctrl-0: Should contain UART RXD low when the device is powered up to > + enter proper bootstrap mode. > +- pinctrl-1: Should contain UART mode pin ctrl > + > +Optional properties: > + > +- reset-gpios: GPIO used to reset the device whose initial state keeps low, > + if the GPIO is missing, then board-level design should be > + guaranteed. > +- current-speed: Current baud rate of the device whose defaults to 921600 > + > +Example: > + > + uart1_pins_boot: uart1-default { > + pins-dat { > + pinmux = <MT7623_PIN_81_URXD1_FUNC_GPIO81>; > + output-low; > + }; > + }; > + > + uart1_pins_runtime: uart1-runtime { > + pins-dat { > + pinmux = <MT7623_PIN_81_URXD1_FUNC_URXD1>, > + <MT7623_PIN_82_UTXD1_FUNC_UTXD1>; > + }; > + }; > + > + uart1: serial@11003000 { > + compatible = "mediatek,mt7623-uart", > + "mediatek,mt6577-uart"; > + reg = <0 0x11003000 0 0x400>; > + interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>; > + clocks = <&pericfg CLK_PERI_UART1_SEL>, > + <&pericfg CLK_PERI_UART1>; > + clock-names = "baud", "bus"; > + > + bluetooth { > + compatible = "mediatek,mt7663u-bluetooth"; > + vcc-supply = <®_5v>; > + reset-gpios = <&pio 24 GPIO_ACTIVE_LOW>; > + pinctrl-names = "default", "runtime"; > + pinctrl-0 = <&uart1_pins_boot>; > + pinctrl-1 = <&uart1_pins_runtime>; > + current-speed = <921600>; > + }; > + }; can you ACK this please. Regards Marcel
On Fri, 15 Feb 2019 07:19:33 +0800, <sean.wang@mediatek.com> wrote: > From: Sean Wang <sean.wang@mediatek.com> > > Update binding document with adding support of MT7663U and MT7668U UART > devices to mediatek-bluetooth. > > Signed-off-by: Sean Wang <sean.wang@mediatek.com> > --- > .../bindings/net/mediatek-bluetooth.txt | 64 +++++++++++++++++++ > 1 file changed, 64 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt index 14ceb2a5b4e8..41a7dcc80f5b 100644 --- a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt +++ b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt @@ -33,3 +33,67 @@ Example: clock-names = "ref"; }; }; + +MediaTek UART based Bluetooth Devices +================================== + +This device is a serial attached device to UART device and thus it must be a +child node of the serial node with UART. + +Please refer to the following documents for generic properties: + + Documentation/devicetree/bindings/serial/slave-device.txt + +Required properties: + +- compatible: Must be + "mediatek,mt7663u-bluetooth": for MT7663U device + "mediatek,mt7668u-bluetooth": for MT7668U device +- vcc-supply: Main voltage regulator +- pinctrl-names: Should be "default", "runtime" +- pinctrl-0: Should contain UART RXD low when the device is powered up to + enter proper bootstrap mode. +- pinctrl-1: Should contain UART mode pin ctrl + +Optional properties: + +- reset-gpios: GPIO used to reset the device whose initial state keeps low, + if the GPIO is missing, then board-level design should be + guaranteed. +- current-speed: Current baud rate of the device whose defaults to 921600 + +Example: + + uart1_pins_boot: uart1-default { + pins-dat { + pinmux = <MT7623_PIN_81_URXD1_FUNC_GPIO81>; + output-low; + }; + }; + + uart1_pins_runtime: uart1-runtime { + pins-dat { + pinmux = <MT7623_PIN_81_URXD1_FUNC_URXD1>, + <MT7623_PIN_82_UTXD1_FUNC_UTXD1>; + }; + }; + + uart1: serial@11003000 { + compatible = "mediatek,mt7623-uart", + "mediatek,mt6577-uart"; + reg = <0 0x11003000 0 0x400>; + interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>; + clocks = <&pericfg CLK_PERI_UART1_SEL>, + <&pericfg CLK_PERI_UART1>; + clock-names = "baud", "bus"; + + bluetooth { + compatible = "mediatek,mt7663u-bluetooth"; + vcc-supply = <®_5v>; + reset-gpios = <&pio 24 GPIO_ACTIVE_LOW>; + pinctrl-names = "default", "runtime"; + pinctrl-0 = <&uart1_pins_boot>; + pinctrl-1 = <&uart1_pins_runtime>; + current-speed = <921600>; + }; + };