| Message ID | 1480906577-38455-2-git-send-email-shawn.lin@rock-chips.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 12/05/2016 03:56 AM, Shawn Lin wrote: > Add binding document for the Rockchip serial flash controller. > > Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> > > Acked-by: Rob Herring <robh@kernel.org> > --- > > Changes in v3: > - rename sfc-no-dma to sfc-no-DMA > > Changes in v2: None > > .../devicetree/bindings/mtd/rockchip-sfc.txt | 31 ++++++++++++++++++++++ > 1 file changed, 31 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/rockchip-sfc.txt > > diff --git a/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt > new file mode 100644 > index 0000000..c6b4f58 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt > @@ -0,0 +1,31 @@ > +Rockchip Serial Flash Controller > + > +Required properties: > +- compatible : Should be > + "rockchip,rk1108-sfc", "rockchip,sfc" for ROCKCHIP RK1108. > +- address-cells : Should be 1. > +- size-cells : Should be 0. > +- clocks: Must contain two entries for each entry in clock-names. > +- clock-names: Shall be "sfc" for the transfer-clock, and "hsfc" for > + the peripheral clock. > +- interrupts : Should contain the interrupt for the device. > +- reg: Physical base address of the controller and length of memory mapped. > + > +Optional properties: Uhhh, I apologize for the miscommunication. > +- rockchip,sfc-no-DMA: Indicate the controller doesn't support dma transfer. I didn't mean this ^^^ DMA, that should be lowercase. I meant ^^^ this one. The property should be lowercase, the description should be uppercase. > + > +Example: > +nor_flash: sfc@301c0000 { > + compatible = "rockchip,rk1108-sfc", "rockchip,sfc"; > + #address-cells = <1>; > + #size-cells = <0>; > + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; > + clock-names = "sfc", "hsfc"; > + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0x301c0000 0x1000>; > + spi-nor@0 { > + compatible = "jedec,spi-nor"; > + spi-max-frequency = <12000000>; > + reg = <0>; > + }; > +}; >
On 2016/12/5 11:24, Marek Vasut wrote: > On 12/05/2016 03:56 AM, Shawn Lin wrote: >> Add binding document for the Rockchip serial flash controller. >> >> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com> >> >> Acked-by: Rob Herring <robh@kernel.org> >> --- >> >> Changes in v3: >> - rename sfc-no-dma to sfc-no-DMA >> >> Changes in v2: None >> >> .../devicetree/bindings/mtd/rockchip-sfc.txt | 31 ++++++++++++++++++++++ >> 1 file changed, 31 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/mtd/rockchip-sfc.txt >> >> diff --git a/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt >> new file mode 100644 >> index 0000000..c6b4f58 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt >> @@ -0,0 +1,31 @@ >> +Rockchip Serial Flash Controller >> + >> +Required properties: >> +- compatible : Should be >> + "rockchip,rk1108-sfc", "rockchip,sfc" for ROCKCHIP RK1108. >> +- address-cells : Should be 1. >> +- size-cells : Should be 0. >> +- clocks: Must contain two entries for each entry in clock-names. >> +- clock-names: Shall be "sfc" for the transfer-clock, and "hsfc" for >> + the peripheral clock. >> +- interrupts : Should contain the interrupt for the device. >> +- reg: Physical base address of the controller and length of memory mapped. >> + >> +Optional properties: > > Uhhh, I apologize for the miscommunication. > >> +- rockchip,sfc-no-DMA: Indicate the controller doesn't support dma transfer. > I didn't mean this ^^^ DMA, that should be lowercase. I meant ^^^ > this one. The property should be lowercase, the description > should be uppercase. Ah, got it. > >> + >> +Example: >> +nor_flash: sfc@301c0000 { >> + compatible = "rockchip,rk1108-sfc", "rockchip,sfc"; >> + #address-cells = <1>; >> + #size-cells = <0>; >> + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; >> + clock-names = "sfc", "hsfc"; >> + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>; >> + reg = <0x301c0000 0x1000>; >> + spi-nor@0 { >> + compatible = "jedec,spi-nor"; >> + spi-max-frequency = <12000000>; >> + reg = <0>; >> + }; >> +}; >> > >
diff --git a/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt new file mode 100644 index 0000000..c6b4f58 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/rockchip-sfc.txt @@ -0,0 +1,31 @@ +Rockchip Serial Flash Controller + +Required properties: +- compatible : Should be + "rockchip,rk1108-sfc", "rockchip,sfc" for ROCKCHIP RK1108. +- address-cells : Should be 1. +- size-cells : Should be 0. +- clocks: Must contain two entries for each entry in clock-names. +- clock-names: Shall be "sfc" for the transfer-clock, and "hsfc" for + the peripheral clock. +- interrupts : Should contain the interrupt for the device. +- reg: Physical base address of the controller and length of memory mapped. + +Optional properties: +- rockchip,sfc-no-DMA: Indicate the controller doesn't support dma transfer. + +Example: +nor_flash: sfc@301c0000 { + compatible = "rockchip,rk1108-sfc", "rockchip,sfc"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cru SCLK_SFC>, <&cru HCLK_SFC>; + clock-names = "sfc", "hsfc"; + interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x301c0000 0x1000>; + spi-nor@0 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <12000000>; + reg = <0>; + }; +};