Hello Rob, > -----Original Message----- > From: Rob Herring [mailto:robh@xxxxxxxxxx] > Sent: Friday, October 26, 2018 4:59 AM > To: Hayashibara, Keiji/林原 啓二 <hayashibara.keiji@xxxxxxxxxxxxx> > Cc: broonie@xxxxxxxxxx; mark.rutland@xxxxxxx; Yamada, Masahiro/山田 真弘 <yamada.masahiro@xxxxxxxxxxxxx>; > linux-spi@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; > stable@xxxxxxxxxxxxxxx; masami.hiramatsu@xxxxxxxxxx; jaswinder.singh@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx > Subject: Re: [PATCH] spi: uniphier: fix incorrect property items > > On Wed, Oct 24, 2018 at 06:34:29PM +0900, Keiji Hayashibara wrote: > > This commit fixes incorrect property because it was different from the > > actual. > > The parameters of '#address-cells' and '#size-cells' were removed, and > > 'interrupts', 'pinctrl-names' and 'pinctrl-0' were added. > > > > Fixes: 4dcd5c2781f3 ("spi: add DT bindings for UniPhier SPI > > controller") > > Signed-off-by: Keiji Hayashibara <hayashibara.keiji@xxxxxxxxxxxxx> > > --- > > Documentation/devicetree/bindings/spi/spi-uniphier.txt | 14 > > ++++++++------ > > 1 file changed, 8 insertions(+), 6 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/spi/spi-uniphier.txt > > b/Documentation/devicetree/bindings/spi/spi-uniphier.txt > > index 504a4ec..b04e66a 100644 > > --- a/Documentation/devicetree/bindings/spi/spi-uniphier.txt > > +++ b/Documentation/devicetree/bindings/spi/spi-uniphier.txt > > @@ -5,18 +5,20 @@ UniPhier SoCs have SCSSI which supports SPI single channel. > > Required properties: > > - compatible: should be "socionext,uniphier-scssi" > > - reg: address and length of the spi master registers > > - - #address-cells: must be <1>, see spi-bus.txt > > - - #size-cells: must be <0>, see spi-bus.txt > > How is removing these correct? They are needed if you have any child devices. They are necessary when the child device is connected. I removed it because it was specified in spi-bus.txt, but I will leave them in next patch. > > > - - clocks: A phandle to the clock for the device. > > - - resets: A phandle to the reset control for the device. > > + - interrupts: a single interrupt specifier > > + - pinctrl-names: should be "default" > > + - pinctrl-0: pin control state for the default mode > > + - clocks: a phandle to the clock for the device > > + - resets: a phandle to the reset control for the device > > > > Example: > > > > spi0: spi@54006000 { > > compatible = "socionext,uniphier-scssi"; > > reg = <0x54006000 0x100>; > > - #address-cells = <1>; > > - #size-cells = <0>; > > + interrupts = <0 39 4>; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_spi0>; > > clocks = <&peri_clk 11>; > > resets = <&peri_rst 11>; > > }; > > -- > > 2.7.4 > > Thank you. --- Best Regards, Keiji Hayashibara