linux-kernel - [PATCH v5 15/16] mtd: nand: qcom: support for IPQ4019 QPIC NAND controller

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Date:   Thu, 17 Aug 2017 17:37:53 +0530
From:   Abhishek Sahu <absahu@...eaurora.org>
To:     Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Richard Weinberger <richard@....at>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org, Andy Gross <andy.gross@...aro.org>,
        Archit Taneja <architt@...eaurora.org>,
        Sricharan R <sricharan@...eaurora.org>,
        Abhishek Sahu <absahu@...eaurora.org>
Subject: [PATCH v5 15/16] mtd: nand: qcom: support for IPQ4019 QPIC NAND controller

Add the compatible string for IPQ4019 QPIC NAND controller
version 1.4.0 which uses BAM DMA.

Reviewed-by: Archit Taneja <architt@...eaurora.org>
Signed-off-by: Abhishek Sahu <absahu@...eaurora.org>
---

* Changes from v4: None

 drivers/mtd/nand/qcom_nandc.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
index 52d9fae..84fcdb3 100644
--- a/drivers/mtd/nand/qcom_nandc.c
+++ b/drivers/mtd/nand/qcom_nandc.c
@@ -2866,6 +2866,12 @@ static int qcom_nandc_remove(struct platform_device *pdev)
 	.dev_cmd_reg_start = 0x0,
 };
 
+static const struct qcom_nandc_props ipq4019_nandc_props = {
+	.ecc_modes = (ECC_BCH_4BIT | ECC_BCH_8BIT),
+	.is_bam = true,
+	.dev_cmd_reg_start = 0x0,
+};
+
 /*
  * data will hold a struct pointer containing more differences once we support
  * more controller variants
@@ -2875,6 +2881,10 @@ static int qcom_nandc_remove(struct platform_device *pdev)
 		.compatible = "qcom,ipq806x-nand",
 		.data = &ipq806x_nandc_props,
 	},
+	{
+		.compatible = "qcom,ipq4019-nand",
+		.data = &ipq4019_nandc_props,
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(of, qcom_nandc_of_match);
-- 
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