| Message ID | 1561527388-4829-2-git-send-email-qii.wang@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add MediaTek I3C master controller driver | expand |
On Wed, 26 Jun 2019 13:36:27 +0800 Qii Wang <qii.wang@mediatek.com> wrote: > Document MediaTek I3C master DT bindings. > > Signed-off-by: Qii Wang <qii.wang@mediatek.com> > --- > .../devicetree/bindings/i3c/mtk,i3c-master.txt | 47 ++++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > > diff --git a/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > new file mode 100644 > index 0000000..3fd4f17 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > @@ -0,0 +1,47 @@ > +Bindings for MediaTek I3C master block > +===================================== > + > +Required properties: > +-------------------- > +- compatible: shall be "mediatek,i3c-master" > +- reg: physical base address of the controller and apdma base, length of > + memory mapped region. > +- reg-names: should be "main" for controller and "dma" for apdma. > +- interrupts: interrupt number to the cpu. Depending on the interrupt controller, each interrupt cell might contain more than just the interrupt number. > +- clocks: clock name from clock manager. This property does not contain clock names but clk references. > +- clock-names: must include "main" and "dma". > + > +Mandatory properties defined by the generic binding (see > +Documentation/devicetree/bindings/i3c/i3c.txt for more details): > + > +- #address-cells: shall be set to 3 > +- #size-cells: shall be set to 0 > + > +Optional properties defined by the generic binding (see > +Documentation/devicetree/bindings/i3c/i3c.txt for more details): > + > +- i2c-scl-hz > +- i3c-scl-hz > + > +I3C device connected on the bus follow the generic description (see > +Documentation/devicetree/bindings/i3c/i3c.txt for more details). > + > +Example: > + > + i3c0: i3c@1100d000 { > + compatible = "mediatek,i3c-master"; > + reg = <0x1100d000 0x100>, > + <0x11000300 0x80>; > + reg-names = "main", "dma"; > + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; > + clocks = <&i3c0_ck>, <&ap_dma_ck>; > + clock-names = "main", "dma"; > + #address-cells = <1>; > + #size-cells = <0>; > + i2c-scl-hz = <100000>; > + > + nunchuk: nunchuk@52 { > + compatible = "nintendo,nunchuk"; > + reg = <0x52 0x80000010 0>; reg is wrong here, should be reg = <0x52 0x0 0x10>; While at it, can you send a patch to fix the example in the cadence binding doc? > + }; > + };
On Wed, 2019-06-26 at 18:23 +0200, Boris Brezillon wrote: > On Wed, 26 Jun 2019 13:36:27 +0800 > Qii Wang <qii.wang@mediatek.com> wrote: > > > Document MediaTek I3C master DT bindings. > > > > Signed-off-by: Qii Wang <qii.wang@mediatek.com> > > --- > > .../devicetree/bindings/i3c/mtk,i3c-master.txt | 47 ++++++++++++++++++++ > > 1 file changed, 47 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > > > > diff --git a/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > > new file mode 100644 > > index 0000000..3fd4f17 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > > @@ -0,0 +1,47 @@ > > +Bindings for MediaTek I3C master block > > +===================================== > > + > > +Required properties: > > +-------------------- > > +- compatible: shall be "mediatek,i3c-master" > > +- reg: physical base address of the controller and apdma base, length of > > + memory mapped region. > > +- reg-names: should be "main" for controller and "dma" for apdma. > > +- interrupts: interrupt number to the cpu. > > Depending on the interrupt controller, each interrupt cell might > contain more than just the interrupt number. > ok, I will modify it as "the interrupt line connected to this I3C master" > > +- clocks: clock name from clock manager. > > This property does not contain clock names but clk references. > ok, I will modify it as "shall reference the i3c and apdma clocks" > > +- clock-names: must include "main" and "dma". > > + > > +Mandatory properties defined by the generic binding (see > > +Documentation/devicetree/bindings/i3c/i3c.txt for more details): > > + > > +- #address-cells: shall be set to 3 > > +- #size-cells: shall be set to 0 > > + > > +Optional properties defined by the generic binding (see > > +Documentation/devicetree/bindings/i3c/i3c.txt for more details): > > + > > +- i2c-scl-hz > > +- i3c-scl-hz > > + > > +I3C device connected on the bus follow the generic description (see > > +Documentation/devicetree/bindings/i3c/i3c.txt for more details). > > + > > +Example: > > + > > + i3c0: i3c@1100d000 { > > + compatible = "mediatek,i3c-master"; > > + reg = <0x1100d000 0x100>, > > + <0x11000300 0x80>; > > + reg-names = "main", "dma"; > > + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; > > + clocks = <&i3c0_ck>, <&ap_dma_ck>; > > + clock-names = "main", "dma"; > > + #address-cells = <1>; > > + #size-cells = <0>; > > + i2c-scl-hz = <100000>; > > + > > + nunchuk: nunchuk@52 { > > + compatible = "nintendo,nunchuk"; > > + reg = <0x52 0x80000010 0>; > > reg is wrong here, should be > > reg = <0x52 0x0 0x10>; > > While at it, can you send a patch to fix the example in the cadence > binding doc? > ok, I will do it. Thanks for your review. > > + }; > > + }; >
On Wed, 26 Jun 2019 13:36:27 +0800 Qii Wang <qii.wang@mediatek.com> wrote: > Document MediaTek I3C master DT bindings. > You forgot to Cc the DT maintainers/ML. > Signed-off-by: Qii Wang <qii.wang@mediatek.com> > --- > .../devicetree/bindings/i3c/mtk,i3c-master.txt | 47 ++++++++++++++++++++ > 1 file changed, 47 insertions(+) > create mode 100644 Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > > diff --git a/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > new file mode 100644 > index 0000000..3fd4f17 > --- /dev/null > +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt > @@ -0,0 +1,47 @@ > +Bindings for MediaTek I3C master block > +===================================== > + > +Required properties: > +-------------------- > +- compatible: shall be "mediatek,i3c-master" > +- reg: physical base address of the controller and apdma base, length of > + memory mapped region. > +- reg-names: should be "main" for controller and "dma" for apdma. > +- interrupts: interrupt number to the cpu. > +- clocks: clock name from clock manager. > +- clock-names: must include "main" and "dma". > + > +Mandatory properties defined by the generic binding (see > +Documentation/devicetree/bindings/i3c/i3c.txt for more details): > + > +- #address-cells: shall be set to 3 > +- #size-cells: shall be set to 0 > + > +Optional properties defined by the generic binding (see > +Documentation/devicetree/bindings/i3c/i3c.txt for more details): > + > +- i2c-scl-hz > +- i3c-scl-hz > + > +I3C device connected on the bus follow the generic description (see > +Documentation/devicetree/bindings/i3c/i3c.txt for more details). > + > +Example: > + > + i3c0: i3c@1100d000 { > + compatible = "mediatek,i3c-master"; > + reg = <0x1100d000 0x100>, > + <0x11000300 0x80>; > + reg-names = "main", "dma"; > + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; > + clocks = <&i3c0_ck>, <&ap_dma_ck>; > + clock-names = "main", "dma"; > + #address-cells = <1>; > + #size-cells = <0>; > + i2c-scl-hz = <100000>; > + > + nunchuk: nunchuk@52 { > + compatible = "nintendo,nunchuk"; > + reg = <0x52 0x80000010 0>; > + }; > + };
diff --git a/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt new file mode 100644 index 0000000..3fd4f17 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt @@ -0,0 +1,47 @@ +Bindings for MediaTek I3C master block +===================================== + +Required properties: +-------------------- +- compatible: shall be "mediatek,i3c-master" +- reg: physical base address of the controller and apdma base, length of + memory mapped region. +- reg-names: should be "main" for controller and "dma" for apdma. +- interrupts: interrupt number to the cpu. +- clocks: clock name from clock manager. +- clock-names: must include "main" and "dma". + +Mandatory properties defined by the generic binding (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details): + +- #address-cells: shall be set to 3 +- #size-cells: shall be set to 0 + +Optional properties defined by the generic binding (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details): + +- i2c-scl-hz +- i3c-scl-hz + +I3C device connected on the bus follow the generic description (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details). + +Example: + + i3c0: i3c@1100d000 { + compatible = "mediatek,i3c-master"; + reg = <0x1100d000 0x100>, + <0x11000300 0x80>; + reg-names = "main", "dma"; + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_LOW>; + clocks = <&i3c0_ck>, <&ap_dma_ck>; + clock-names = "main", "dma"; + #address-cells = <1>; + #size-cells = <0>; + i2c-scl-hz = <100000>; + + nunchuk: nunchuk@52 { + compatible = "nintendo,nunchuk"; + reg = <0x52 0x80000010 0>; + }; + };
Document MediaTek I3C master DT bindings. Signed-off-by: Qii Wang <qii.wang@mediatek.com> --- .../devicetree/bindings/i3c/mtk,i3c-master.txt | 47 ++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 Documentation/devicetree/bindings/i3c/mtk,i3c-master.txt