diff options
| author | Dmitry Torokhov <[email protected]> | 2021-05-04 11:46:00 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <[email protected]> | 2021-05-04 11:46:00 -0700 |
| commit | d0034a7a4ac7fae708146ac0059b9c47a1543f0d (patch) | |
| tree | ac3ac88066f0f80632aa754e3ae008994f2426a2 /drivers/mmc/core/host.c | |
| parent | 56cfe6f820a6315291eb5a1b82bb49633b993d3b (diff) | |
| parent | d12b64b9764ea17554fb230784ebf91287ed807e (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 5.13 merge window.
Diffstat (limited to 'drivers/mmc/core/host.c')
| -rw-r--r-- | drivers/mmc/core/host.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c index 96b2ca1f1b06..9b89a91b6b47 100644 --- a/drivers/mmc/core/host.c +++ b/drivers/mmc/core/host.c @@ -25,6 +25,7 @@ #include <linux/mmc/slot-gpio.h> #include "core.h" +#include "crypto.h" #include "host.h" #include "slot-gpio.h" #include "pwrseq.h" @@ -163,6 +164,50 @@ static void mmc_retune_timer(struct timer_list *t) mmc_retune_needed(host); } +static void mmc_of_parse_timing_phase(struct device *dev, const char *prop, + struct mmc_clk_phase *phase) +{ + int degrees[2] = {0}; + int rc; + + rc = device_property_read_u32_array(dev, prop, degrees, 2); + phase->valid = !rc; + if (phase->valid) { + phase->in_deg = degrees[0]; + phase->out_deg = degrees[1]; + } +} + +void +mmc_of_parse_clk_phase(struct mmc_host *host, struct mmc_clk_phase_map *map) +{ + struct device *dev = host->parent; + + mmc_of_parse_timing_phase(dev, "clk-phase-legacy", + &map->phase[MMC_TIMING_LEGACY]); + mmc_of_parse_timing_phase(dev, "clk-phase-mmc-hs", + &map->phase[MMC_TIMING_MMC_HS]); + mmc_of_parse_timing_phase(dev, "clk-phase-sd-hs", + &map->phase[MMC_TIMING_SD_HS]); + mmc_of_parse_timing_phase(dev, "clk-phase-uhs-sdr12", + &map->phase[MMC_TIMING_UHS_SDR12]); + mmc_of_parse_timing_phase(dev, "clk-phase-uhs-sdr25", + &map->phase[MMC_TIMING_UHS_SDR25]); + mmc_of_parse_timing_phase(dev, "clk-phase-uhs-sdr50", + &map->phase[MMC_TIMING_UHS_SDR50]); + mmc_of_parse_timing_phase(dev, "clk-phase-uhs-sdr104", + &map->phase[MMC_TIMING_UHS_SDR104]); + mmc_of_parse_timing_phase(dev, "clk-phase-uhs-ddr50", + &map->phase[MMC_TIMING_UHS_DDR50]); + mmc_of_parse_timing_phase(dev, "clk-phase-mmc-ddr52", + &map->phase[MMC_TIMING_MMC_DDR52]); + mmc_of_parse_timing_phase(dev, "clk-phase-mmc-hs200", + &map->phase[MMC_TIMING_MMC_HS200]); + mmc_of_parse_timing_phase(dev, "clk-phase-mmc-hs400", + &map->phase[MMC_TIMING_MMC_HS400]); +} +EXPORT_SYMBOL(mmc_of_parse_clk_phase); + /** * mmc_of_parse() - parse host's device-tree node * @host: host whose node should be parsed. |