This commit introduces generic compatible strings to use as fallback,
so that devices compatible with the generic implementation may avoid
changing the driver.

Signed-off-by: Fabrizio Castro <[email protected]>
Signed-off-by: Ramesh Shanmugasundaram <[email protected]>
---
 drivers/soc/renesas/rcar-rst.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c
index 3316b02..f7a0d54 100644
--- a/drivers/soc/renesas/rcar-rst.c
+++ b/drivers/soc/renesas/rcar-rst.c
@@ -25,8 +25,16 @@ static const struct rst_config rcar_rst_gen2 __initconst = {
        .modemr = 0x60,
 };
 
+static const struct rst_config rcar_rst_gen3 __initconst = {
+       .modemr = 0x60,
+};
+
 static const struct of_device_id rcar_rst_matches[] __initconst = {
-       /* RZ/G is handled like R-Car Gen2 */
+       /* generic compatible strings */
+       { .compatible = "renesas,rcar-gen1-rst", .data = &rcar_rst_gen1 },
+       { .compatible = "renesas,rcar-gen2-rst", .data = &rcar_rst_gen2 },
+       { .compatible = "renesas,rcar-gen3-rst", .data = &rcar_rst_gen3 },
+       /* RZ/G */
        { .compatible = "renesas,r8a7743-rst", .data = &rcar_rst_gen2 },
        { .compatible = "renesas,r8a7745-rst", .data = &rcar_rst_gen2 },
        /* R-Car Gen1 */
@@ -38,11 +46,11 @@ static const struct of_device_id rcar_rst_matches[] 
__initconst = {
        { .compatible = "renesas,r8a7792-rst", .data = &rcar_rst_gen2 },
        { .compatible = "renesas,r8a7793-rst", .data = &rcar_rst_gen2 },
        { .compatible = "renesas,r8a7794-rst", .data = &rcar_rst_gen2 },
-       /* R-Car Gen3 is handled like R-Car Gen2 */
-       { .compatible = "renesas,r8a7795-rst", .data = &rcar_rst_gen2 },
-       { .compatible = "renesas,r8a7796-rst", .data = &rcar_rst_gen2 },
-       { .compatible = "renesas,r8a77970-rst", .data = &rcar_rst_gen2 },
-       { .compatible = "renesas,r8a77995-rst", .data = &rcar_rst_gen2 },
+       /* R-Car Gen3 */
+       { .compatible = "renesas,r8a7795-rst", .data = &rcar_rst_gen3 },
+       { .compatible = "renesas,r8a7796-rst", .data = &rcar_rst_gen3 },
+       { .compatible = "renesas,r8a77970-rst", .data = &rcar_rst_gen3 },
+       { .compatible = "renesas,r8a77995-rst", .data = &rcar_rst_gen3 },
        { /* sentinel */ }
 };
 
-- 
2.7.4

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