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serial: samsung: Add the support for Exynos5433 SoC

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This patch adds new s3c24xx_serial_drv_data structure for Exynos5433 SoC
because Exynos5433 has different fifo size from existing Exynos4 SoC.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-serial@vger.kernel.org
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Acked-by: Geunsik Lim <geunsik.lim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chanwoo Choi 2014-12-02 17:49:54 +09:00 committed by Greg Kroah-Hartman
parent 2ce3c10c0c
commit 31ec77aca7
1 changed files with 36 additions and 20 deletions
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56
drivers/tty/serial/samsung.c
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@ -1757,32 +1757,43 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
#endif #endif
#if defined(CONFIG_ARCH_EXYNOS) #if defined(CONFIG_ARCH_EXYNOS)
#define EXYNOS_COMMON_SERIAL_DRV_DATA \
.info = &(struct s3c24xx_uart_info) { \
.name = "Samsung Exynos UART", \
.type = PORT_S3C6400, \
.has_divslot = 1, \
.rx_fifomask = S5PV210_UFSTAT_RXMASK, \
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT, \
.rx_fifofull = S5PV210_UFSTAT_RXFULL, \
.tx_fifofull = S5PV210_UFSTAT_TXFULL, \
.tx_fifomask = S5PV210_UFSTAT_TXMASK, \
.tx_fifoshift = S5PV210_UFSTAT_TXSHIFT, \
.def_clk_sel = S3C2410_UCON_CLKSEL0, \
.num_clks = 1, \
.clksel_mask = 0, \
.clksel_shift = 0, \
}, \
.def_cfg = &(struct s3c2410_uartcfg) { \
.ucon = S5PV210_UCON_DEFAULT, \
.ufcon = S5PV210_UFCON_DEFAULT, \
.has_fracval = 1, \
} \
static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = { static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
.info = &(struct s3c24xx_uart_info) { EXYNOS_COMMON_SERIAL_DRV_DATA,
.name = "Samsung Exynos4 UART",
.type = PORT_S3C6400,
.has_divslot = 1,
.rx_fifomask = S5PV210_UFSTAT_RXMASK,
.rx_fifoshift = S5PV210_UFSTAT_RXSHIFT,
.rx_fifofull = S5PV210_UFSTAT_RXFULL,
.tx_fifofull = S5PV210_UFSTAT_TXFULL,
.tx_fifomask = S5PV210_UFSTAT_TXMASK,
.tx_fifoshift = S5PV210_UFSTAT_TXSHIFT,
.def_clk_sel = S3C2410_UCON_CLKSEL0,
.num_clks = 1,
.clksel_mask = 0,
.clksel_shift = 0,
},
.def_cfg = &(struct s3c2410_uartcfg) {
.ucon = S5PV210_UCON_DEFAULT,
.ufcon = S5PV210_UFCON_DEFAULT,
.has_fracval = 1,
},
.fifosize = { 256, 64, 16, 16 }, .fifosize = { 256, 64, 16, 16 },
}; };
static struct s3c24xx_serial_drv_data exynos5433_serial_drv_data = {
EXYNOS_COMMON_SERIAL_DRV_DATA,
.fifosize = { 64, 256, 16, 256 },
};
#define EXYNOS4210_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos4210_serial_drv_data) #define EXYNOS4210_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos4210_serial_drv_data)
#define EXYNOS5433_SERIAL_DRV_DATA ((kernel_ulong_t)&exynos5433_serial_drv_data)
#else #else
#define EXYNOS4210_SERIAL_DRV_DATA (kernel_ulong_t)NULL #define EXYNOS4210_SERIAL_DRV_DATA (kernel_ulong_t)NULL
#define EXYNOS5433_SERIAL_DRV_DATA (kernel_ulong_t)NULL
#endif #endif
static struct platform_device_id s3c24xx_serial_driver_ids[] = { static struct platform_device_id s3c24xx_serial_driver_ids[] = {
@ -1804,6 +1815,9 @@ static struct platform_device_id s3c24xx_serial_driver_ids[] = {
}, { }, {
.name = "exynos4210-uart", .name = "exynos4210-uart",
.driver_data = EXYNOS4210_SERIAL_DRV_DATA, .driver_data = EXYNOS4210_SERIAL_DRV_DATA,
}, {
.name = "exynos5433-uart",
.driver_data = EXYNOS5433_SERIAL_DRV_DATA,
}, },
{ }, { },
}; };
@ -1823,6 +1837,8 @@ static const struct of_device_id s3c24xx_uart_dt_match[] = {
.data = (void *)S5PV210_SERIAL_DRV_DATA }, .data = (void *)S5PV210_SERIAL_DRV_DATA },
{ .compatible = "samsung,exynos4210-uart", { .compatible = "samsung,exynos4210-uart",
.data = (void *)EXYNOS4210_SERIAL_DRV_DATA }, .data = (void *)EXYNOS4210_SERIAL_DRV_DATA },
{ .compatible = "samsung,exynos5433-uart",
.data = (void *)EXYNOS5433_SERIAL_DRV_DATA },
{}, {},
}; };
MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match); MODULE_DEVICE_TABLE(of, s3c24xx_uart_dt_match);