mmc: renesas_sdhi: Add RZ/V2M compatible string

The SDHI/eMMC IPs found with the RZ/V2M (a.k.a. r9a09g011), are
very similar to the ones found in R-Car Gen3, but they are not
exactly the same, and as a result need an SoC specific compatible
string for fine tuning driver support.

Signed-off-by: Fabrizio Castro <fabrizio.castro.jz@renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20221213230129.549968-4-fabrizio.castro.jz@renesas.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 29f5621..f38003f 100644 (file)
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -210,6 +210,11 @@ static const struct renesas_sdhi_quirks sdhi_quirks_r8a77990 = {
        .manual_tap_correction = true,
 };
 
+static const struct renesas_sdhi_quirks sdhi_quirks_r9a09g011 = {
+       .fixed_addr_mode = true,
+       .hs400_disabled = true,
+};
+
 /*
  * Note for r8a7796 / r8a774a1: we can't distinguish ES1.1 and 1.2 as of now.
  * So, we want to treat them equally and only have a match for ES1.2 to enforce
@@ -251,6 +256,11 @@ static const struct renesas_sdhi_of_data_with_quirks of_r8a77990_compatible = {
        .quirks = &sdhi_quirks_r8a77990,
 };
 
+static const struct renesas_sdhi_of_data_with_quirks of_r9a09g011_compatible = {
+       .of_data = &of_data_rcar_gen3,
+       .quirks = &sdhi_quirks_r9a09g011,
+};
+
 static const struct renesas_sdhi_of_data_with_quirks of_rcar_gen3_compatible = {
        .of_data = &of_data_rcar_gen3,
 };
@@ -274,6 +284,7 @@ static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = {
        { .compatible = "renesas,sdhi-r8a77970", .data = &of_r8a77970_compatible, },
        { .compatible = "renesas,sdhi-r8a77990", .data = &of_r8a77990_compatible, },
        { .compatible = "renesas,sdhi-r8a77995", .data = &of_rcar_gen3_nohs400_compatible, },
+       { .compatible = "renesas,sdhi-r9a09g011", .data = &of_r9a09g011_compatible, },
        { .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, },
        { .compatible = "renesas,rcar-gen4-sdhi", .data = &of_rcar_gen3_compatible, },
        {},