diff options
author | Richard Cochran <richardcochran@gmail.com> | 2012-10-29 04:45:19 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-11-01 12:21:32 -0400 |
commit | 00ab94eeaf6c1ad38ad7368c5148fed31403c8a2 (patch) | |
tree | e76e94fe6e4ff9ac7b48dfedd0584bf2bb5164de /drivers/net/ethernet/ti | |
parent | 78ca0b287314ad6b7b06161b3ff9b13e8a8bcce0 (diff) |
cpts: specify the input clock frequency via DT
This patch adds a way to configure the CPTS input clock scaling factors
via the device tree.
Signed-off-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/ti')
-rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index f16579123c1b..c04627cd60dd 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c | |||
@@ -854,6 +854,20 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, | |||
854 | } | 854 | } |
855 | data->cpts_active_slave = prop; | 855 | data->cpts_active_slave = prop; |
856 | 856 | ||
857 | if (of_property_read_u32(node, "cpts_clock_mult", &prop)) { | ||
858 | pr_err("Missing cpts_clock_mult property in the DT.\n"); | ||
859 | ret = -EINVAL; | ||
860 | goto error_ret; | ||
861 | } | ||
862 | data->cpts_clock_mult = prop; | ||
863 | |||
864 | if (of_property_read_u32(node, "cpts_clock_shift", &prop)) { | ||
865 | pr_err("Missing cpts_clock_shift property in the DT.\n"); | ||
866 | ret = -EINVAL; | ||
867 | goto error_ret; | ||
868 | } | ||
869 | data->cpts_clock_shift = prop; | ||
870 | |||
857 | data->slave_data = kzalloc(sizeof(struct cpsw_slave_data) * | 871 | data->slave_data = kzalloc(sizeof(struct cpsw_slave_data) * |
858 | data->slaves, GFP_KERNEL); | 872 | data->slaves, GFP_KERNEL); |
859 | if (!data->slave_data) { | 873 | if (!data->slave_data) { |