Add serial driver data for Google Tensor gs101 SoC and a common
fifoszdt_serial_drv_data that can be used by platforms that specify the
samsung,uart-fifosize DT property.
A corresponding dt-bindings patch updates the yaml to ensure
samsung,uart-fifosize is a required property.
Reviewed-by: Sam Protsenko <semen.protsenko@xxxxxxxxxx>
Reviewed-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
---
drivers/tty/serial/samsung_tty.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c
index 3bd552841cd2..d0e33f98dde0 100644
--- a/drivers/tty/serial/samsung_tty.c
+++ b/drivers/tty/serial/samsung_tty.c
@@ -2492,14 +2492,25 @@ static const struct s3c24xx_serial_drv_data exynos850_serial_drv_data = {
.fifosize = { 256, 64, 64, 64 },
};
+/*
+ * Common drv_data struct for platforms that specify uart,fifosize in
+ * device tree.
+ */
+static const struct s3c24xx_serial_drv_data exynos_fifoszdt_serial_drv_data = {
+ EXYNOS_COMMON_SERIAL_DRV_DATA(),
+ .fifosize = { 0 },
+};
+
#define EXYNOS4210_SERIAL_DRV_DATA (&exynos4210_serial_drv_data)
#define EXYNOS5433_SERIAL_DRV_DATA (&exynos5433_serial_drv_data)
#define EXYNOS850_SERIAL_DRV_DATA (&exynos850_serial_drv_data)
+#define EXYNOS_FIFOSZDT_DRV_DATA (&exynos_fifoszdt_serial_drv_data)
#else
#define EXYNOS4210_SERIAL_DRV_DATA NULL
#define EXYNOS5433_SERIAL_DRV_DATA NULL
#define EXYNOS850_SERIAL_DRV_DATA NULL
+#define EXYNOS_FIFOSZDT_DRV_DATA NULL
#endif
#ifdef CONFIG_ARCH_APPLE
@@ -2583,6 +2594,9 @@ static const struct platform_device_id s3c24xx_serial_driver_ids[] = {
}, {
.name = "artpec8-uart",
.driver_data = (kernel_ulong_t)ARTPEC8_SERIAL_DRV_DATA,
+ }, {
+ .name = "gs101-uart",
+ .driver_data = (kernel_ulong_t)EXYNOS_FIFOSZDT_DRV_DATA,
},
{ },
};
@@ -2604,6 +2618,8 @@ static const struct of_device_id s3c24xx_uart_dt_match[] = {
.data = EXYNOS850_SERIAL_DRV_DATA },
{ .compatible = "axis,artpec8-uart",
.data = ARTPEC8_SERIAL_DRV_DATA },
+ { .compatible = "google,gs101-uart",
+ .data = EXYNOS_FIFOSZDT_DRV_DATA },
{},
};
MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match);
--
2.43.0.rc1.413.gea7ed67945-goog
