Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751449AbdFEXaM (ORCPT ); Mon, 5 Jun 2017 19:30:12 -0400 Received: from conuserg-10.nifty.com ([210.131.2.77]:32114 "EHLO conuserg-10.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751258AbdFEXZQ (ORCPT ); Mon, 5 Jun 2017 19:25:16 -0400 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com v55NMD5g004412 X-Nifty-SrcIP: [118.110.19.204] From: Masahiro Yamada To: linux-mtd@lists.infradead.org Cc: Enrico Jorns , Artem Bityutskiy , Dinh Nguyen , Boris Brezillon , Marek Vasut , Graham Moore , David Woodhouse , Masami Hiramatsu , Chuanxiao Dong , Jassi Brar , Masahiro Yamada , Cyrille Pitchen , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Brian Norris , Richard Weinberger , Rob Herring , Mark Rutland Subject: [PATCH v4 06/23] mtd: nand: denali_dt: add compatible strings for UniPhier SoC variants Date: Tue, 6 Jun 2017 08:21:45 +0900 Message-Id: <1496704922-12261-7-git-send-email-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1496704922-12261-1-git-send-email-yamada.masahiro@socionext.com> References: <1496704922-12261-1-git-send-email-yamada.masahiro@socionext.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3497 Lines: 99 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 --- 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