diff options
Diffstat (limited to 'drivers/misc/k3_avs.c')
| -rw-r--r-- | drivers/misc/k3_avs.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/misc/k3_avs.c b/drivers/misc/k3_avs.c index d7312175f1a..d922b8808ba 100644 --- a/drivers/misc/k3_avs.c +++ b/drivers/misc/k3_avs.c @@ -194,6 +194,29 @@ static int match_opp(struct vd_data *vd, u32 freq) } /** + * k3_check_opp: Check for presence of opp efuse + * @opp_id: opp id to check if voltage is present + * + * Checks to see if an opp has voltage. k3_avs probe will populate + * votlage data if efuse is present. Returns 0 if data is valid. + */ +int k3_check_opp(int opp_id) +{ + struct vd_data *vd; + struct k3_avs_privdata *priv = k3_avs_priv; + int volt; + + vd = priv->vd_config->vds; + volt = vd->opps[opp_id].volt; + + if (volt) + return 0; + + printf("No efuse found for opp_%d\n", opp_id); + return -EINVAL; +} + +/** * k3_avs_notify_freq: Notify clock rate change towards AVS subsystem * @dev_id: Device ID for the clock to be changed * @clk_id: Clock ID for the clock to be changed |