linux-kernel - [PATCH v2 2/3] spi: s3c64xx: Add spi port configuration for Tesla FSD SoC

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Message-Id: <20220120192438.25555-3-alim.akhtar@samsung.com>
Date:   Fri, 21 Jan 2022 00:54:37 +0530
From:   Alim Akhtar <alim.akhtar@...sung.com>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     devicetree@...r.kernel.org, linus.walleij@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski@...onical.com,
        linux-samsung-soc@...r.kernel.org, pankaj.dubey@...sung.com,
        broonie@...nel.org, andi@...zian.org, linux-spi@...r.kernel.org,
        Alim Akhtar <alim.akhtar@...sung.com>, linux-fsd@...la.com,
        Aswani Reddy <aswani.reddy@...sung.com>
Subject: [PATCH v2 2/3] spi: s3c64xx: Add spi port configuration for Tesla
 FSD SoC

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

Cc: linux-fsd@...la.com
Signed-off-by: Aswani Reddy <aswani.reddy@...sung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
---
 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