The RZ/G1C (a.k.a. R8A77470) comes with three SDHI interfaces,
SDHI0 and SDHI2 are compatible with the R-Car Gen2 SDHIs, SDHI1
is compatible with R-Car Gen3 SDHIs and it can be used as
eMMC as well. This patch adds driver compatibility, and makes
sure both drivers get compiled for the R8A77470.
Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
Reviewed-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
---
v2:
* New patch
---
drivers/mmc/host/Kconfig | 4 ++--
drivers/mmc/host/renesas_sdhi_internal_dmac.c | 6 ++++--
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index 694d082..fb654cd 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -622,9 +622,9 @@ config MMC_SDHI_SYS_DMAC
config MMC_SDHI_INTERNAL_DMAC
tristate "DMA for SDHI SD/SDIO controllers using on-chip bus mastering"
- depends on ARM64 || COMPILE_TEST
+ depends on ARM64 || ARCH_R8A77470 || COMPILE_TEST
depends on MMC_SDHI
- default MMC_SDHI if ARM64
+ default MMC_SDHI if (ARM64 || ARCH_R8A77470)
help
This provides DMA support for SDHI SD/SDIO controllers
using on-chip bus mastering. This supports the controllers
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index e5e5015..e729c39 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -113,6 +113,7 @@ static const struct renesas_sdhi_of_data of_rcar_gen3_compatible = {
};
static const struct of_device_id renesas_sdhi_internal_dmac_of_match[] = {
+ { .compatible = "renesas,sdhi-mmc-r8a77470", .data = &of_rcar_gen3_compatible, },
{ .compatible = "renesas,sdhi-r8a7795", .data = &of_rcar_r8a7795_compatible, },
{ .compatible = "renesas,sdhi-r8a7796", .data = &of_rcar_r8a7795_compatible, },
{ .compatible = "renesas,rcar-gen3-sdhi", .data = &of_rcar_gen3_compatible, },
@@ -288,7 +289,7 @@ static const struct tmio_mmc_dma_ops renesas_sdhi_internal_dmac_dma_ops = {
* Whitelist of specific R-Car Gen3 SoC ES versions to use this DMAC
* implementation as others may use a different implementation.
*/
-static const struct soc_device_attribute gen3_soc_whitelist[] = {
+static const struct soc_device_attribute soc_whitelist[] = {
/* specific ones */
{ .soc_id = "r8a7795", .revision = "ES1.*",
.data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) },
@@ -296,6 +297,7 @@ static const struct soc_device_attribute gen3_soc_whitelist[] = {
.data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) },
/* generic ones */
{ .soc_id = "r8a774a1" },
+ { .soc_id = "r8a77470" },
{ .soc_id = "r8a7795" },
{ .soc_id = "r8a7796" },
{ .soc_id = "r8a77965" },
@@ -307,7 +309,7 @@ static const struct soc_device_attribute gen3_soc_whitelist[] = {
static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev)
{
- const struct soc_device_attribute *soc = soc_device_match(gen3_soc_whitelist);
+ const struct soc_device_attribute *soc = soc_device_match(soc_whitelist);
struct device *dev = &pdev->dev;
if (!soc)
--
2.7.4
