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[v3,6/7] tty: serial: samsung: Add Exynos850 SoC data

Message ID 20210811114827.27322-7-semen.protsenko@linaro.org
State Accepted
Commit 9a4d22f7955ee365f7829859f599a01b3ffd850b
Headers show
Series Add minimal support for Exynos850 SoC | expand

Commit Message

Sam Protsenko Aug. 11, 2021, 11:48 a.m. UTC 
Add serial driver data for Exynos850 SoC. This driver data is basically
reusing EXYNOS_COMMON_SERIAL_DRV_DATA, which is common for all Exynos
chips, but also enables USI init, which was added in previous commit:
"tty: serial: samsung: Init USI to keep clocks running".

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
---
Changes in v3:
  - Added Reviewed-by tag by Krzysztof

Changes in v2:
  - Fixed default fifo sizes

 drivers/tty/serial/samsung_tty.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)
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Patch

diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 130bdc978e93..a069e7bb858f 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2813,11 +2813,19 @@  static struct s3c24xx_serial_drv_data exynos5433_serial_drv_data = {
 	.fifosize = { 64, 256, 16, 256 },
 };
 
+static struct s3c24xx_serial_drv_data exynos850_serial_drv_data = {
+	EXYNOS_COMMON_SERIAL_DRV_DATA_USI(1),
+	.fifosize = { 256, 64, 64, 64 },
+};
+
 #define EXYNOS4210_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos4210_serial_drv_data)
 #define EXYNOS5433_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos5433_serial_drv_data)
+#define EXYNOS850_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos850_serial_drv_data)
+
 #else
 #define EXYNOS4210_SERIAL_DRV_DATA ((kernel_ulong_t)NULL)
 #define EXYNOS5433_SERIAL_DRV_DATA ((kernel_ulong_t)NULL)
+#define EXYNOS850_SERIAL_DRV_DATA ((kernel_ulong_t)NULL)
 #endif
 
 #ifdef CONFIG_ARCH_APPLE
@@ -2873,6 +2881,9 @@  static const struct platform_device_id s3c24xx_serial_driver_ids[] = {
 	}, {
 		.name		= "s5l-uart",
 		.driver_data	= S5L_SERIAL_DRV_DATA,
+	}, {
+		.name		= "exynos850-uart",
+		.driver_data	= EXYNOS850_SERIAL_DRV_DATA,
 	},
 	{ },
 };
@@ -2896,6 +2907,8 @@  static const struct of_device_id s3c24xx_uart_dt_match[] = {
 		.data = (void *)EXYNOS5433_SERIAL_DRV_DATA },
 	{ .compatible = "apple,s5l-uart",
 		.data = (void *)S5L_SERIAL_DRV_DATA },
+	{ .compatible = "samsung,exynos850-uart",
+		.data = (void *)EXYNOS850_SERIAL_DRV_DATA },
 	{},
 };
 MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match);