diff options
| author | Zhao Qiang <qiang.zhao@nxp.com> | 2016-06-06 14:29:59 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-06-07 15:56:30 -0700 |
| commit | bb8b2062aff321af1fc58781cc07fbbea01cceb3 (patch) | |
| tree | 9a0c0492e8be4bcfbd5495bc12cc5ae8e073de39 /drivers/soc/fsl/qe/ucc_fast.c | |
| parent | 68f047e3d62ebfac24ff9be551476cf30eafb00e (diff) | |
| download | linux-bb8b2062aff321af1fc58781cc07fbbea01cceb3.tar.bz2 | |
fsl/qe: setup clock source for TDM mode
Add tdm clock configuration in both qe clock system and ucc
fast controller.
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/soc/fsl/qe/ucc_fast.c')
| -rw-r--r-- | drivers/soc/fsl/qe/ucc_fast.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/soc/fsl/qe/ucc_fast.c b/drivers/soc/fsl/qe/ucc_fast.c index a7689310fe40..83d8d16e3a69 100644 --- a/drivers/soc/fsl/qe/ucc_fast.c +++ b/drivers/soc/fsl/qe/ucc_fast.c @@ -327,6 +327,42 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc ucc_fast_free(uccf); return -EINVAL; } + } else { + /* tdm Rx clock routing */ + if ((uf_info->rx_clock != QE_CLK_NONE) && + ucc_set_tdm_rxtx_clk(uf_info->tdm_num, uf_info->rx_clock, + COMM_DIR_RX)) { + pr_err("%s: illegal value for RX clock", __func__); + ucc_fast_free(uccf); + return -EINVAL; + } + + /* tdm Tx clock routing */ + if ((uf_info->tx_clock != QE_CLK_NONE) && + ucc_set_tdm_rxtx_clk(uf_info->tdm_num, uf_info->tx_clock, + COMM_DIR_TX)) { + pr_err("%s: illegal value for TX clock", __func__); + ucc_fast_free(uccf); + return -EINVAL; + } + + /* tdm Rx sync clock routing */ + if ((uf_info->rx_sync != QE_CLK_NONE) && + ucc_set_tdm_rxtx_sync(uf_info->tdm_num, uf_info->rx_sync, + COMM_DIR_RX)) { + pr_err("%s: illegal value for RX clock", __func__); + ucc_fast_free(uccf); + return -EINVAL; + } + + /* tdm Tx sync clock routing */ + if ((uf_info->tx_sync != QE_CLK_NONE) && + ucc_set_tdm_rxtx_sync(uf_info->tdm_num, uf_info->tx_sync, + COMM_DIR_TX)) { + pr_err("%s: illegal value for TX clock", __func__); + ucc_fast_free(uccf); + return -EINVAL; + } } /* Set interrupt mask register at UCC level. */ |