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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2021-10-25 21:56:31 +0100
committerKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>2021-11-16 12:09:11 +0100
commitb04cc0d912eb80d3c438b11d96ca847c3e77e8ab (patch)
treecb487db4be63d5d18d0614b2142059b2b76bacbb /include/memory
parentmemory: renesas-rpc-if: Drop usage of RPCIF_DIRMAP_SIZE macro (diff)
downloadlinux-dev-b04cc0d912eb80d3c438b11d96ca847c3e77e8ab.tar.xz
linux-dev-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/memory')
-rw-r--r--include/memory/renesas-rpc-if.h8
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);