diff options
| author | Tom Rini <trini@konsulko.com> | 2017-05-10 17:40:11 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-05-10 17:40:11 -0400 |
| commit | 1f5541c8818d3ecd243f9bbf58db9ea5f55a3195 (patch) | |
| tree | 83053c0f224f8fe641550492e95818033e5af7e2 /drivers/spi/rk_spi.h | |
| parent | 102d86552abc82818c22b39fdef4b3a280a60643 (diff) | |
| parent | 2085de57f3928d72b27338f68d4250d1fb302d04 (diff) | |
Merge git://git.denx.de/u-boot-rockchip
This adds a new firefly-rk3399 board, MIPI support for rk3399 and
rk3288, rk818 pmic support, mkimage improvements for rockchip and a few
other things.
Diffstat (limited to 'drivers/spi/rk_spi.h')
| -rw-r--r-- | drivers/spi/rk_spi.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/spi/rk_spi.h b/drivers/spi/rk_spi.h index f1ac81203fa..02aa9d04368 100644 --- a/drivers/spi/rk_spi.h +++ b/drivers/spi/rk_spi.h @@ -119,6 +119,13 @@ enum { }; #define ROCKCHIP_SPI_TIMEOUT_MS 1000 -#define ROCKCHIP_SPI_MAX_RATE 48000000 + +/* + * We limit the maximum bitrate to 50MBit/s (50MHz) due to an assumed + * hardware limitation... the Linux kernel source has the following + * comment: + * "sclk_out: spi master internal logic in rk3x can support 50Mhz" + */ +#define ROCKCHIP_SPI_MAX_RATE 50000000 #endif /* __RK_SPI_H */ |