From mboxrd@z Thu Jan 1 00:00:00 1970 From: maitysanchayan@gmail.com (maitysanchayan at gmail.com) Date: Sun, 6 Sep 2015 15:58:13 +0530 Subject: [PATCH v9 4/4] nvmem: Add DT binding documentation for Vybrid OCOTP driver In-Reply-To: <20150906081334.GK30746@tiger> References: <24fcfdc695907103e8f4602b7dc6b8fa38e85ec1.1439384645.git.maitysanchayan@gmail.com> <20150906081334.GK30746@tiger> Message-ID: <20150906102813.GA13499@Sanchayan-Arch> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 15-09-06 16:13:35, Shawn Guo wrote: > On Wed, Aug 12, 2015 at 06:49:21PM +0530, Sanchayan Maity wrote: > > Add the devicetree bindings for the Freescale Vybrid On-Chip > > OTP driver. > > > > Signed-off-by: Sanchayan Maity > > Acked-by: Srinivas Kandagatla > > --- > > .../devicetree/bindings/nvmem/vf610-ocotp.txt | 21 +++++++++++++++++++++ > > 1 file changed, 21 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt > > > > diff --git a/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt b/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt > > new file mode 100644 > > index 0000000..b29f65f > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/nvmem/vf610-ocotp.txt > > @@ -0,0 +1,21 @@ > > +On-Chip OTP Memory for Freescale Vybrid > > + > > +Required Properties: > > + compatible: > > + - "fsl,vf610-ocotp" for VF5xx/VF6xx > > + #address-cells : Should be 1 > > + #size-cells : Should be 1 > > + reg : Address and length of OTP controller and fuse map registers > > + clocks : ipg clock we associate with the OCOTP peripheral > > + clock-names : Must contain "ocotp" as matching entry > > I'm not sure "ocotp" is a good name for describing a clock from OCOTP > internal point of view. "ipg" might be better. But I would suggest you > drop clock-names property completely, if "ipg" is the only clock you > need to describe here. The clock-names is necessary only when there are > multiple clocks to distinguish. > > With clock-names dropped, the driver works by passing NULL as the second > parameter to devm_clk_get() call. Ok. Will drop the clock-names property retest and try sending it by tomorrow. - Sanchayan. > > Shawn > > > + > > +Example for Vybrid VF5xx/VF6xx: > > + > > + ocotp: ocotp at 400a5000 { > > + compatible = "fsl,vf610-ocotp"; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + reg = <0x400a5000 0xCF0>; > > + clocks = <&clks VF610_CLK_OCOTP>; > > + clock-names = "ocotp"; > > + }; > > -- > > 2.5.0 > >