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uart: stm32: add support for STM32F4

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Change the clock accessors to a tuple of bus ID of the subsystem and enable
bits for the device - it is clearer to read than the opaque pointers.

Change-Id: I9ae73c222c04adac4cf2bc06e97f4ec199bdac3c
Signed-off-by: Ricardo Salveti <ricardo.salveti@linaro.org>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2016-10-28 10:16:51 -05:00
commit 2f9d83d340
3 changed files with 43 additions and 3 deletions
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14
drivers/serial/uart_stm32.h
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@ -84,7 +84,12 @@ union __cr1 {
uint32_t wake :1 __packed;
uint32_t m :1 __packed;
uint32_t ue :1 __packed;
#ifdef CONFIG_SOC_SERIES_SOC32F1X
uint32_t rsvd__14_15 :2 __packed;
#elif CONFIG_SOC_SERIES_SOC32F4X
uint32_t rsvd__14 :1 __packed;
uint32_t over8 :1 __packed;
#endif
uint32_t rsvd__16_31 :16 __packed;
} bit;
};
@ -123,7 +128,12 @@ union __cr3 {
uint32_t rtse :1 __packed;
uint32_t ctse :1 __packed;
uint32_t ctsie :1 __packed;
#ifdef CONFIG_SOC_SERIES_SOC32F1X
uint32_t rsvd__11_31 :21 __packed;
#elif CONFIG_SOC_SERIES_SOC32F4X
uint32_t onebit :1 __packed;
uint32_t rsvd__12_31 :20 __packed;
#endif
} bit;
};
@ -152,7 +162,11 @@ struct uart_stm32 {
struct uart_stm32_config {
struct uart_device_config uconf;
/* clock subsystem driving this peripheral */
#ifdef CONFIG_SOC_SERIES_STM32F1X
clock_control_subsys_t clock_subsys;
#elif CONFIG_SOC_SERIES_STM32F4X
struct stm32f4x_pclken pclken;
#endif
};
/* driver data */