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Groups > linux.kernel > #1658239
| From | Masahiro Yamada <yamada.masahiro@socionext.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v4 06/23] mtd: nand: denali_dt: add compatible strings for UniPhier SoC variants |
| Date | 2017-06-06 01:40 +0200 |
| Message-ID | <tP9Lj-Vk-1@gated-at.bofh.it> (permalink) |
| References | <tP9BD-S3-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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: Masahiro Yamada <yamada.masahiro@socionext.com>
---
Changes in v4:
- Adjusted to generic helpers for ECC engine caps
Changes in v3: None
Changes in v2:
- Change the compatible strings
- Fix the ecc_strength_capability
- Override revision number for the newer one
.../devicetree/bindings/mtd/denali-nand.txt | 6 +++++
drivers/mtd/nand/denali_dt.c | 31 ++++++++++++++++++++++
2 files changed, 37 insertions(+)
diff --git a/Documentation/devicetree/bindings/mtd/denali-nand.txt b/Documentation/devicetree/bindings/mtd/denali-nand.txt
index b7742a7..504291d 100644
--- a/Documentation/devicetree/bindings/mtd/denali-nand.txt
+++ b/Documentation/devicetree/bindings/mtd/denali-nand.txt
@@ -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
diff --git a/drivers/mtd/nand/denali_dt.c b/drivers/mtd/nand/denali_dt.c
index 8c09bbe..38800ae 100644
--- a/drivers/mtd/nand/denali_dt.c
+++ b/drivers/mtd/nand/denali_dt.c
@@ -45,11 +45,42 @@ static const struct denali_dt_data denali_socfpga_data = {
},
};
+static const int denali_uniphier_strengths[] = {8, 16, 24};
+static const struct denali_dt_data denali_uniphier_v5a_data = {
+ .caps = DENALI_CAP_HW_ECC_FIXUP |
+ DENALI_CAP_DMA_64BIT,
+ .stepinfo = {
+ .stepsize = 1024,
+ .strengths = denali_uniphier_strengths,
+ .nstrengths = ARRAY_SIZE(denali_uniphier_strengths),
+ },
+};
+
+static const struct denali_dt_data denali_uniphier_v5b_data = {
+ .revision = 0x0501,
+ .caps = DENALI_CAP_HW_ECC_FIXUP |
+ DENALI_CAP_DMA_64BIT,
+ .stepinfo = {
+ .stepsize = 1024,
+ .strengths = denali_uniphier_strengths,
+ /* no support for strength=24 */
+ .nstrengths = ARRAY_SIZE(denali_uniphier_strengths) - 1,
+ },
+};
+
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);
--
2.7.4
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[PATCH v4 00/23] mtd: nand: denali: Denali NAND IP patch bomb Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:30 +0200
[PATCH v4 11/23] mtd: nand: denali: rework interrupt handling Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:30 +0200
[PATCH v4 04/23] mtd: nand: denali: avoid hard-coding ECC step, strength, bytes Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:30 +0200
Re: [PATCH v4 04/23] mtd: nand: denali: avoid hard-coding ECC step, strength, bytes Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-07 00:10 +0200
Re: [PATCH v4 04/23] mtd: nand: denali: avoid hard-coding ECC step, strength, bytes Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-07 05:10 +0200
Re: [PATCH v4 04/23] mtd: nand: denali: avoid hard-coding ECC step, strength, bytes Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-07 09:10 +0200
Re: [PATCH v4 04/23] mtd: nand: denali: avoid hard-coding ECC step, strength, bytes Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-07 09:30 +0200
Re: [PATCH v4 04/23] mtd: nand: denali: avoid hard-coding ECC step, strength, bytes Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-07 09:50 +0200
[PATCH v4 03/23] mtd: nand: add generic helpers to check, match, maximize ECC settings Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:30 +0200
Re: [PATCH v4 03/23] mtd: nand: add generic helpers to check, match, maximize ECC settings Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-06 23:50 +0200
Re: [PATCH v4 03/23] mtd: nand: add generic helpers to check, match, maximize ECC settings Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-07 03:50 +0200
Re: [PATCH v4 03/23] mtd: nand: add generic helpers to check, match, maximize ECC settings Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-07 08:20 +0200
[PATCH v4 05/23] mtd: nand: denali: remove Toshiba and Hynix specific fixup code Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:30 +0200
[PATCH v4 15/23] mtd: nand: denali: fix bank reset function to detect the number of chips Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:30 +0200
[PATCH v4 06/23] mtd: nand: denali_dt: add compatible strings for UniPhier SoC variants Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:40 +0200
[PATCH v4 16/23] mtd: nand: denali: use interrupt instead of polling for bank reset Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:40 +0200
[PATCH v4 13/23] mtd: nand: denali: fix NAND_CMD_PARAM handling Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-06 01:40 +0200
Re: [PATCH v4 00/23] mtd: nand: denali: Denali NAND IP patch bomb Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-07 00:10 +0200
Re: [PATCH v4 00/23] mtd: nand: denali: Denali NAND IP patch bomb Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-06-07 03:30 +0200
Re: [PATCH v4 00/23] mtd: nand: denali: Denali NAND IP patch bomb Boris Brezillon <boris.brezillon@free-electrons.com> - 2017-06-07 09:30 +0200
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