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| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2021-10-25 21:56:31 +0100 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-11-16 12:09:11 +0100 |
| commit | b04cc0d912eb80d3c438b11d96ca847c3e77e8ab (patch) | |
| tree | cb487db4be63d5d18d0614b2142059b2b76bacbb /include | |
| parent | 5da9b59b23d8112709034a07338e03dcc65fa11f (diff) | |
| download | lwn-b04cc0d912eb80d3c438b11d96ca847c3e77e8ab.tar.gz lwn-b04cc0d912eb80d3c438b11d96ca847c3e77e8ab.zip | |
memory: renesas-rpc-if: Add support for RZ/G2L
SPI Multi I/O Bus Controller on RZ/G2L SoC is almost identical to
the RPC-IF interface found on R-Car Gen3 SoC's.
This patch adds a new compatible string for the RZ/G2L family so
that the timing values on RZ/G2L can be adjusted.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20211025205631.21151-8-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/memory/renesas-rpc-if.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/memory/renesas-rpc-if.h b/include/memory/renesas-rpc-if.h index 77c694a19149..7c93f5177532 100644 --- a/include/memory/renesas-rpc-if.h +++ b/include/memory/renesas-rpc-if.h @@ -57,6 +57,11 @@ struct rpcif_op { } data; }; +enum rpcif_type { + RPCIF_RCAR_GEN3, + RPCIF_RZ_G2L, +}; + struct rpcif { struct device *dev; void __iomem *base; @@ -64,6 +69,7 @@ struct rpcif { struct regmap *regmap; struct reset_control *rstc; size_t size; + enum rpcif_type type; enum rpcif_data_dir dir; u8 bus_size; void *buffer; @@ -78,7 +84,7 @@ struct rpcif { }; int rpcif_sw_init(struct rpcif *rpc, struct device *dev); -void rpcif_hw_init(struct rpcif *rpc, bool hyperflash); +int rpcif_hw_init(struct rpcif *rpc, bool hyperflash); void rpcif_prepare(struct rpcif *rpc, const struct rpcif_op *op, u64 *offs, size_t *len); int rpcif_manual_xfer(struct rpcif *rpc); |