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| author | Barry Song <Baohua.Song@csr.com> | 2013-08-07 13:35:38 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-12 11:29:53 -0700 |
| commit | 909102db44faf40bae96d8f9d23de79e1ca0853a (patch) | |
| tree | bb42958f670ab18e859a25dd2b1e5a3c48086527 /drivers/tty/serial/sirfsoc_uart.h | |
| parent | f7d2c0bbdb7b784cc035cacb7d36b379ba1c3bef (diff) | |
| download | lwn-909102db44faf40bae96d8f9d23de79e1ca0853a.tar.gz lwn-909102db44faf40bae96d8f9d23de79e1ca0853a.zip | |
serial: sirf: add support for Marco chip
the marco and coming new CSR multiple SoCs have SET/CLR pair for
INTEN registers to avoid some read-modify-write.
this patch adds support for this and make the driver support current
up and coming mp SoCs.
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/sirfsoc_uart.h')
| -rw-r--r-- | drivers/tty/serial/sirfsoc_uart.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/tty/serial/sirfsoc_uart.h b/drivers/tty/serial/sirfsoc_uart.h index 85328ba0c4e3..6216660e72cb 100644 --- a/drivers/tty/serial/sirfsoc_uart.h +++ b/drivers/tty/serial/sirfsoc_uart.h @@ -13,6 +13,7 @@ #define SIRFUART_DIVISOR 0x0050 #define SIRFUART_INT_EN 0x0054 #define SIRFUART_INT_STATUS 0x0058 +#define SIRFUART_INT_EN_CLR 0x0060 #define SIRFUART_TX_DMA_IO_CTRL 0x0100 #define SIRFUART_TX_DMA_IO_LEN 0x0104 #define SIRFUART_TX_FIFO_CTRL 0x0108 @@ -164,6 +165,8 @@ struct sirfsoc_uart_port { struct uart_port port; struct pinctrl *p; struct clk *clk; + /* for SiRFmarco, there are SET/CLR for UART_INT_EN */ + bool is_marco; }; /* Hardware Flow Control */ |