From: Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> To: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>, "boris.brezillon@bootlin.com" <boris.brezillon@bootlin.com>, "marek.vasut@gmail.com" <marek.vasut@gmail.com>, "broonie@kernel.org" <broonie@kernel.org>, "linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org> Cc: "robh@kernel.org" <robh@kernel.org>, "mark.rutland@arm.com" <mark.rutland@arm.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>, "computersforpeace@gmail.com" <computersforpeace@gmail.com>, "frieder.schrempf@kontron.de" <frieder.schrempf@kontron.de>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> Subject: [PATCH v7 2/5] dt-bindings: spi: add binding file for NXP FlexSPI controller Date: Tue, 15 Jan 2019 09:50:33 +0000 [thread overview] Message-ID: <1547545697-4042-3-git-send-email-yogeshnarayan.gaur@nxp.com> (raw) In-Reply-To: <1547545697-4042-1-git-send-email-yogeshnarayan.gaur@nxp.com> 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 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
WARNING: multiple messages have this Message-ID (diff)
From: Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> To: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>, "boris.brezillon@bootlin.com" <boris.brezillon@bootlin.com>, "marek.vasut@gmail.com" <marek.vasut@gmail.com>, "broonie@kernel.org" <broonie@kernel.org>, "linux-spi@vger.kernel.org" <linux-spi@vger.kernel.org>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org> Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>, "robh@kernel.org" <robh@kernel.org>, Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "frieder.schrempf@kontron.de" <frieder.schrempf@kontron.de>, "computersforpeace@gmail.com" <computersforpeace@gmail.com>, "shawnguo@kernel.org" <shawnguo@kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: [PATCH v7 2/5] dt-bindings: spi: add binding file for NXP FlexSPI controller Date: Tue, 15 Jan 2019 09:50:33 +0000 [thread overview] Message-ID: <1547545697-4042-3-git-send-email-yogeshnarayan.gaur@nxp.com> (raw) In-Reply-To: <1547545697-4042-1-git-send-email-yogeshnarayan.gaur@nxp.com> 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 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-01-15 9:50 UTC|newest] Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-01-15 9:50 [PATCH v7 0/5] spi: spi-mem: Add driver for NXP FlexSPI controller Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` [PATCH v7 1/5] " Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 10:35 ` Schrempf Frieder 2019-01-15 10:35 ` Schrempf Frieder 2019-01-15 10:35 ` Schrempf Frieder 2019-01-15 9:50 ` Yogesh Narayan Gaur [this message] 2019-01-15 9:50 ` [PATCH v7 2/5] dt-bindings: spi: add binding file " Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` [PATCH v7 3/5] arm64: dts: lx2160a: add FlexSPI node property Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` [PATCH v7 4/5] arm64: defconfig: enable NXP FlexSPI driver Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` [PATCH v7 5/5] MAINTAINERS: add maintainers for the " Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur 2019-01-15 9:50 ` Yogesh Narayan Gaur
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