[PATCH v3 2/3] spi: s3c64xx: Add spi port configuration for Tesla FSD SoC

From: Alim Akhtar <alim.akhtar@samsung.com>
To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org, linus.walleij@linaro.org,
	robh+dt@kernel.org, krzysztof.kozlowski@canonical.com,
	linux-samsung-soc@vger.kernel.org, pankaj.dubey@samsung.com,
	broonie@kernel.org, andi@etezian.org, linux-spi@vger.kernel.org,
	Alim Akhtar <alim.akhtar@samsung.com>,
	linux-fsd@tesla.com, Aswani Reddy <aswani.reddy@samsung.com>
Subject: [PATCH v3 2/3] spi: s3c64xx: Add spi port configuration for Tesla FSD SoC
Date: Tue, 25 Jan 2022 08:46:03 +0530	[thread overview]
Message-ID: <20220125031604.76009-3-alim.akhtar@samsung.com> (raw)
In-Reply-To: <20220125031604.76009-1-alim.akhtar@samsung.com>

Add compatible and port configuration for spi controller
for Tesla Full Self-Driving SoC.

Cc: linux-fsd@tesla.com
Signed-off-by: Aswani Reddy <aswani.reddy@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Andi Shyti <andi@etezian.org>
---
 drivers/spi/spi-s3c64xx.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 386550fca81c..423518bf0270 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1440,6 +1440,16 @@ static const struct s3c64xx_spi_port_config exynos5433_spi_port_config = {
 	.quirks		= S3C64XX_SPI_QUIRK_CS_AUTO,
 };
 
+static struct s3c64xx_spi_port_config fsd_spi_port_config = {
+	.fifo_lvl_mask	= { 0x7f, 0x7f, 0x7f, 0x7f, 0x7f},
+	.rx_lvl_offset	= 15,
+	.tx_st_done	= 25,
+	.high_speed	= true,
+	.clk_from_cmu	= true,
+	.clk_ioclk	= false,
+	.quirks		= S3C64XX_SPI_QUIRK_CS_AUTO,
+};
+
 static const struct platform_device_id s3c64xx_spi_driver_ids[] = {
 	{
 		.name		= "s3c2443-spi",
@@ -1470,6 +1480,9 @@ static const struct of_device_id s3c64xx_spi_dt_match[] = {
 	{ .compatible = "samsung,exynos5433-spi",
 			.data = (void *)&exynos5433_spi_port_config,
 	},
+	{ .compatible = "tesla,fsd-spi",
+			.data = (void *)&fsd_spi_port_config,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, s3c64xx_spi_dt_match);
-- 
2.25.1


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