| Message ID | 1547553487-9936-3-git-send-email-yogeshnarayan.gaur@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | spi: spi-mem: Add driver for NXP FlexSPI controller | expand |
Hi Rob / Shawn, Can you please apply patches [1] [2]. -- Regards, Yogesh Gaur [1] https://patchwork.ozlabs.org/patch/1025136/ [2] https://patchwork.ozlabs.org/patch/1025137/ > -----Original Message----- > From: Yogesh Narayan Gaur > Sent: Tuesday, January 15, 2019 5:30 PM > To: linux-mtd@lists.infradead.org; bbrezillon@kernel.org; > marek.vasut@gmail.com; broonie@kernel.org; linux-spi@vger.kernel.org; > devicetree@vger.kernel.org > Cc: robh@kernel.org; mark.rutland@arm.com; shawnguo@kernel.org; linux- > arm-kernel@lists.infradead.org; computersforpeace@gmail.com; > frieder.schrempf@kontron.de; linux-kernel@vger.kernel.org; Yogesh Narayan > Gaur <yogeshnarayan.gaur@nxp.com> > Subject: [PATCH v8 2/5] dt-bindings: spi: add binding file for NXP FlexSPI > controller > > Add binding file for NXP FlexSPI controller > > Signed-off-by: Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> > Reviewed-by: Rob Herring <robh@kernel.org> > --- > Changes for v8: > - None > Changes for v7: > - None > Changes for v6: > - None > Changes for v5: > - None > Changes for v4: > - Incorporated Rob review comments. > Changes for v3: > - Removed node property 'big-endian'. > Changes for v2: > - Incorporated Rob review comments. > > .../devicetree/bindings/spi/spi-nxp-fspi.txt | 39 +++++++++++++++++++ > 1 file changed, 39 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > > diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > new file mode 100644 > index 000000000000..2cd67eb727d4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt > @@ -0,0 +1,39 @@ > +* NXP Flex Serial Peripheral Interface (FSPI) > + > +Required properties: > + - compatible : Should be "nxp,lx2160a-fspi" > + - reg : First contains the register location and length, > + Second contains the memory mapping address and length > + - reg-names : Should contain the resource reg names: > + - fspi_base: configuration register address space > + - fspi_mmap: memory mapped address space > + - interrupts : Should contain the interrupt for the device > + > +Required SPI slave node properties: > + - reg : There are two buses (A and B) with two chip selects each. > + This encodes to which bus and CS the flash is connected: > + - <0>: Bus A, CS 0 > + - <1>: Bus A, CS 1 > + - <2>: Bus B, CS 0 > + - <3>: Bus B, CS 1 > + > +Example showing the usage of two SPI NOR slave devices on bus A: > + > +fspi0: spi@20c0000 { > + compatible = "nxp,lx2160a-fspi"; > + reg = <0x0 0x20c0000 0x0 0x10000>, <0x0 0x20000000 0x0 > 0x10000000>; > + reg-names = "fspi_base", "fspi_mmap"; > + interrupts = <0 25 0x4>; /* Level high type */ > + clocks = <&clockgen 4 3>, <&clockgen 4 3>; > + clock-names = "fspi_en", "fspi"; > + > + mt35xu512aba0: flash@0 { > + reg = <0>; > + .... > + }; > + > + mt35xu512aba1: flash@1 { > + reg = <1>; > + .... > + }; > +}; > -- > 2.17.1
On Tue, 22 Jan 2019 09:00:14 +0000 Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> wrote: > Hi Rob / Shawn, > > Can you please apply patches [1] [2]. No, DT bindings should go through Mark's tree. Just wait a bit please.
Hi Boris, > -----Original Message----- > From: Boris Brezillon [mailto:bbrezillon@kernel.org] > Sent: Tuesday, January 22, 2019 2:47 PM > To: Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> > Cc: robh@kernel.org; shawnguo@kernel.org; mark.rutland@arm.com; > devicetree@vger.kernel.org; linux-kernel@vger.kernel.org; > frieder.schrempf@kontron.de; linux-spi@vger.kernel.org; > marek.vasut@gmail.com; broonie@kernel.org; linux-mtd@lists.infradead.org; > computersforpeace@gmail.com; linux-arm-kernel@lists.infradead.org > Subject: Re: [PATCH v8 2/5] dt-bindings: spi: add binding file for NXP FlexSPI > controller > > On Tue, 22 Jan 2019 09:00:14 +0000 > Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> wrote: > > > Hi Rob / Shawn, > > > > Can you please apply patches [1] [2]. > > No, DT bindings should go through Mark's tree. Just wait a bit please. Ok, thanks. -- Regards Yogesh Gaur
diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt new file mode 100644 index 000000000000..2cd67eb727d4 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt @@ -0,0 +1,39 @@ +* NXP Flex Serial Peripheral Interface (FSPI) + +Required properties: + - compatible : Should be "nxp,lx2160a-fspi" + - reg : First contains the register location and length, + Second contains the memory mapping address and length + - reg-names : Should contain the resource reg names: + - fspi_base: configuration register address space + - fspi_mmap: memory mapped address space + - interrupts : Should contain the interrupt for the device + +Required SPI slave node properties: + - reg : There are two buses (A and B) with two chip selects each. + This encodes to which bus and CS the flash is connected: + - <0>: Bus A, CS 0 + - <1>: Bus A, CS 1 + - <2>: Bus B, CS 0 + - <3>: Bus B, CS 1 + +Example showing the usage of two SPI NOR slave devices on bus A: + +fspi0: spi@20c0000 { + compatible = "nxp,lx2160a-fspi"; + reg = <0x0 0x20c0000 0x0 0x10000>, <0x0 0x20000000 0x0 0x10000000>; + reg-names = "fspi_base", "fspi_mmap"; + interrupts = <0 25 0x4>; /* Level high type */ + clocks = <&clockgen 4 3>, <&clockgen 4 3>; + clock-names = "fspi_en", "fspi"; + + mt35xu512aba0: flash@0 { + reg = <0>; + .... + }; + + mt35xu512aba1: flash@1 { + reg = <1>; + .... + }; +};