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Commit 91300dd6 authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Boris Brezillon
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mtd: nand: denali_dt: add compatible strings for UniPhier SoC variants 



Add two compatible strings for UniPhier SoC family.

"socionext,uniphier-denali-nand-v5a" is used on UniPhier sLD3, LD4,
Pro4, sLD8.

"socionext,uniphier-denali-nand-v5b" is used on UniPhier Pro5, PXs2,
LD6b, LD11, LD20.

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarBoris Brezillon <boris.brezillon@free-electrons.com>
parent 0615e7ad

Documentation/devicetree/bindings/mtd/denali-nand.txt

+6 −0
Original line number Diff line number Diff line
@@ -3,6 +3,8 @@ 
Required properties:

  - compatible : should be one of the following:

      "altr,socfpga-denali-nand"            - for Altera SOCFPGA

      "socionext,uniphier-denali-nand-v5a"  - for Socionext UniPhier (v5a)

      "socionext,uniphier-denali-nand-v5b"  - for Socionext UniPhier (v5b)

  - reg : should contain registers location and length for data and reg.

  - reg-names: Should contain the reg names "nand_data" and "denali_reg"

  - interrupts : The interrupt number.
@@ -10,8 +12,12 @@ Required properties: 
Optional properties:

  - nand-ecc-step-size: see nand.txt for details.  If present, the value must be

      512        for "altr,socfpga-denali-nand"

      1024       for "socionext,uniphier-denali-nand-v5a"

      1024       for "socionext,uniphier-denali-nand-v5b"

  - nand-ecc-strength: see nand.txt for details.  Valid values are:

      8, 15      for "altr,socfpga-denali-nand"

      8, 16, 24  for "socionext,uniphier-denali-nand-v5a"

      8, 16      for "socionext,uniphier-denali-nand-v5b"

  - nand-ecc-maximize: see nand.txt for details



The device tree may optionally contain sub-nodes describing partitions of the

drivers/mtd/nand/denali_dt.c

+25 −0
Original line number Diff line number Diff line
@@ -42,11 +42,36 @@ static const struct denali_dt_data denali_socfpga_data = { 
	.ecc_caps = &denali_socfpga_ecc_caps,

};



NAND_ECC_CAPS_SINGLE(denali_uniphier_v5a_ecc_caps, denali_calc_ecc_bytes,

		     1024, 8, 16, 24);

static const struct denali_dt_data denali_uniphier_v5a_data = {

	.caps = DENALI_CAP_HW_ECC_FIXUP |

		DENALI_CAP_DMA_64BIT,

	.ecc_caps = &denali_uniphier_v5a_ecc_caps,

};



NAND_ECC_CAPS_SINGLE(denali_uniphier_v5b_ecc_caps, denali_calc_ecc_bytes,

		     1024, 8, 16);

static const struct denali_dt_data denali_uniphier_v5b_data = {

	.revision = 0x0501,

	.caps = DENALI_CAP_HW_ECC_FIXUP |

		DENALI_CAP_DMA_64BIT,

	.ecc_caps = &denali_uniphier_v5b_ecc_caps,

};



static const struct of_device_id denali_nand_dt_ids[] = {

	{

		.compatible = "altr,socfpga-denali-nand",

		.data = &denali_socfpga_data,

	},

	{

		.compatible = "socionext,uniphier-denali-nand-v5a",

		.data = &denali_uniphier_v5a_data,

	},

	{

		.compatible = "socionext,uniphier-denali-nand-v5b",

		.data = &denali_uniphier_v5b_data,

	},

	{ /* sentinel */ }

};

MODULE_DEVICE_TABLE(of, denali_nand_dt_ids);