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Date:   Wed, 18 Sep 2019 09:04:36 +0100
From:   Gareth Williams <gareth.williams.jx@...esas.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Phil Edworthy <phil.edworthy@...esas.com>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Gareth Williams <gareth.williams.jx@...esas.com>
Subject: [PATCH v2 4/4] spi: dw: Add compatible string for Renesas RZ/N1 SPI Controller

From: Phil Edworthy <phil.edworthy@...esas.com>

The Renesas RZ/N1 SPI Controller is based on the Synopsys DW SSI, but has
additional registers for software CS control and DMA. This patch does not
address the changes required for DMA support, it simply adds the compatible
string. The CS registers are not needed as Linux can use gpios for the CS
signals.

Signed-off-by: Gareth Williams <gareth.williams.jx@...esas.com>
Signed-off-by: Phil Edworthy <phil.edworthy@...esas.com>
---
v2: no changes
---
 drivers/spi/spi-dw-mmio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index edb3cf6..3640b01 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -225,6 +225,7 @@ static const struct of_device_id dw_spi_mmio_of_match[] = {
 	{ .compatible = "mscc,ocelot-spi", .data = dw_spi_mscc_ocelot_init},
 	{ .compatible = "mscc,jaguar2-spi", .data = dw_spi_mscc_jaguar2_init},
 	{ .compatible = "amazon,alpine-dw-apb-ssi", .data = dw_spi_alpine_init},
+	{ .compatible = "renesas,rzn1-spi", },
 	{ /* end of table */}
 };
 MODULE_DEVICE_TABLE(of, dw_spi_mmio_of_match);
-- 
2.7.4

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