| Message ID | 20231108171149.258656-4-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | Under Review |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | Add set_iofv() callback | expand |
On 08/11/2023 18:11, Biju Das wrote: > Add support for overriding IO fixed values to control the pin state > based on the flash type. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.c > + > + regmap_update_bits(rpc->regmap, RPCIF_CMNCR, RPCIF_CMNCR_IOFV(3), > + RPCIF_CMNCR_IO0FV(val & 0x3) | > + RPCIF_CMNCR_IO2FV((val >> 4) & 0x3) | > + RPCIF_CMNCR_IO3FV((val >> 6) & 0x3)); > + > + pm_runtime_put(dev); > + > + return 0; > +} > +EXPORT_SYMBOL(rpcif_set_iofv); EXPORT_SYMBOL+GPL Best regards, Krzysztof
diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 9695b2d3ae59..17bc604cdfff 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -325,6 +325,26 @@ static void rpcif_rzg2l_timing_adjust_sdr(struct rpcif_priv *rpc) regmap_write(rpc->regmap, RPCIF_PHYADD, 0x80000032); } +int rpcif_set_iofv(struct device *dev, u32 val) +{ + struct rpcif_priv *rpc = dev_get_drvdata(dev); + int ret; + + ret = pm_runtime_resume_and_get(dev); + if (ret) + return ret; + + regmap_update_bits(rpc->regmap, RPCIF_CMNCR, RPCIF_CMNCR_IOFV(3), + RPCIF_CMNCR_IO0FV(val & 0x3) | + RPCIF_CMNCR_IO2FV((val >> 4) & 0x3) | + RPCIF_CMNCR_IO3FV((val >> 6) & 0x3)); + + pm_runtime_put(dev); + + return 0; +} +EXPORT_SYMBOL(rpcif_set_iofv); + int rpcif_hw_init(struct device *dev, bool hyperflash) { struct rpcif_priv *rpc = dev_get_drvdata(dev); diff --git a/include/memory/renesas-rpc-if.h b/include/memory/renesas-rpc-if.h index b8fa30fd6b50..124ca9c16a39 100644 --- a/include/memory/renesas-rpc-if.h +++ b/include/memory/renesas-rpc-if.h @@ -71,6 +71,7 @@ struct rpcif { int rpcif_sw_init(struct rpcif *rpc, struct device *dev); int rpcif_hw_init(struct device *dev, bool hyperflash); +int rpcif_set_iofv(struct device *dev, u32 val); void rpcif_prepare(struct device *dev, const struct rpcif_op *op, u64 *offs, size_t *len); int rpcif_manual_xfer(struct device *dev);
Add support for overriding IO fixed values to control the pin state based on the flash type. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- drivers/memory/renesas-rpc-if.c | 20 ++++++++++++++++++++ include/memory/renesas-rpc-if.h | 1 + 2 files changed, 21 insertions(+)