memory: renesas-rpc-if: Add regmap to struct rpcif_info

The RZ/G3E XSPI has different regmap compared to RPC-IF. Add regmap to
struct rpcif_info in order to support RZ/G3E XSPI.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20250424090000.136804-5-biju.das.jz@bp.renesas.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Author: bijudas

drivers/memory/renesas-rpc-if.c

@@ -32,6 +32,7 @@ static const struct regmap_access_table rpcif_volatile_table = {
 };
 
 struct rpcif_info {
+	const struct regmap_config *regmap_config;
 	enum rpcif_type type;
 	u8 strtim;
 };
@@ -588,8 +589,8 @@ static int rpcif_probe(struct platform_device *pdev)
 	rpc->base = devm_platform_ioremap_resource_byname(pdev, "regs");
 	if (IS_ERR(rpc->base))
 		return PTR_ERR(rpc->base);
-
-	rpc->regmap = devm_regmap_init(dev, NULL, rpc, &rpcif_regmap_config);
+	rpc->info = of_device_get_match_data(dev);
+	rpc->regmap = devm_regmap_init(dev, NULL, rpc, rpc->info->regmap_config);
 	if (IS_ERR(rpc->regmap)) {
 		dev_err(dev, "failed to init regmap for rpcif, error %ld\n",
 			PTR_ERR(rpc->regmap));
@@ -602,7 +603,6 @@ static int rpcif_probe(struct platform_device *pdev)
 		return PTR_ERR(rpc->dirmap);
 
 	rpc->size = resource_size(res);
-	rpc->info = of_device_get_match_data(dev);
 	rpc->rstc = devm_reset_control_array_get_exclusive(dev);
 	if (IS_ERR(rpc->rstc))
 		return PTR_ERR(rpc->rstc);
@@ -633,21 +633,25 @@ static void rpcif_remove(struct platform_device *pdev)
 }
 
 static const struct rpcif_info rpcif_info_r8a7796 = {
+	.regmap_config = &rpcif_regmap_config,
 	.type = RPCIF_RCAR_GEN3,
 	.strtim = 6,
 };
 
 static const struct rpcif_info rpcif_info_gen3 = {
+	.regmap_config = &rpcif_regmap_config,
 	.type = RPCIF_RCAR_GEN3,
 	.strtim = 7,
 };
 
 static const struct rpcif_info rpcif_info_rz_g2l = {
+	.regmap_config = &rpcif_regmap_config,
 	.type = RPCIF_RZ_G2L,
 	.strtim = 7,
 };
 
 static const struct rpcif_info rpcif_info_gen4 = {
+	.regmap_config = &rpcif_regmap_config,
 	.type = RPCIF_RCAR_GEN4,
 	.strtim = 15,
 };