Unverified Commit 78d94353 authored by Mark Brown's avatar Mark Brown
Browse files

Add add SPI-NAND Flash controller driver for EN7581 

Merge series from Lorenzo Bianconi <lorenzo@kernel.org>:

Introduce support for SPI-NAND driver of the Airoha NAND Flash Interface
found on Airoha ARM EN7581 SoCs.
parents 52267fe8 8bd0d557

Documentation/devicetree/bindings/spi/airoha,en7581-snand.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/airoha,en7581-snand.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: SPI-NAND flash controller for Airoha ARM SoCs



maintainers:

  - Lorenzo Bianconi <lorenzo@kernel.org>



allOf:

  - $ref: spi-controller.yaml#



properties:

  compatible:

    const: airoha,en7581-snand



  reg:

    items:

      - description: spi base address

      - description: nfi2spi base address



  clocks:

    maxItems: 1



  clock-names:

    items:

      - const: spi



required:

  - compatible

  - reg

  - clocks

  - clock-names



unevaluatedProperties: false



examples:

  - |

    #include <dt-bindings/clock/en7523-clk.h>



    soc {

      #address-cells = <2>;

      #size-cells = <2>;



      spi@1fa10000 {

        compatible = "airoha,en7581-snand";

        reg = <0x0 0x1fa10000 0x0 0x140>,

              <0x0 0x1fa11000 0x0 0x160>;



        clocks = <&scuclk EN7523_CLK_SPI>;

        clock-names = "spi";



        #address-cells = <1>;

        #size-cells = <0>;



        flash@0 {

          compatible = "spi-nand";

          reg = <0>;

          spi-tx-bus-width = <1>;

          spi-rx-bus-width = <2>;

        };

      };

    };

MAINTAINERS

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@@ -653,6 +653,15 @@ S: Supported 
F:	fs/aio.c

F:	include/linux/*aio*.h









AIROHA SPI SNFI DRIVER









M:	Lorenzo Bianconi <lorenzo@kernel.org>









M:	Ray Liu <ray.liu@airoha.com>









L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)









L:	linux-spi@vger.kernel.org









S:	Maintained









F:	Documentation/devicetree/bindings/spi/airoha,en7581-snand.yaml









F:	drivers/spi/spi-airoha.c

















AIRSPY MEDIA DRIVER









L:	linux-media@vger.kernel.org









S:	Orphan
































drivers/spi/Kconfig



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@@ -57,6 +57,16 @@ config SPI_MEM

















comment "SPI Master Controller Drivers"



















config SPI_AIROHA_SNFI









	tristate "Airoha SPI NAND Flash Interface"









	depends on ARCH_AIROHA || COMPILE_TEST









	depends on SPI_MASTER









	select REGMAP_MMIO









	help









	  This enables support for SPI-NAND mode on the Airoha NAND









	  Flash Interface found on Airoha ARM SoCs. This controller









	  is implemented as a SPI-MEM controller.



















config SPI_ALTERA









	tristate "Altera SPI Controller platform driver"









	select SPI_ALTERA_CORE
































drivers/spi/Makefile



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@@ -14,6 +14,7 @@ obj-$(CONFIG_SPI_SPIDEV)		+= spidev.o







obj-$(CONFIG_SPI_LOOPBACK_TEST)		+= spi-loopback-test.o



















# SPI master controller drivers (bus)









obj-$(CONFIG_SPI_AIROHA_SNFI)		+= spi-airoha-snfi.o









obj-$(CONFIG_SPI_ALTERA)		+= spi-altera-platform.o









obj-$(CONFIG_SPI_ALTERA_CORE)		+= spi-altera-core.o









obj-$(CONFIG_SPI_ALTERA_DFL)		+= spi-altera-dfl.o
































drivers/spi/spi-airoha-snfi.c
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