[PATCH v6 12/26] PM / devfreq: rockchip-dfi: Handle LPDDR4X

Sascha Hauer
2023-06-16T06:24:19Z

In the DFI driver LPDDR4X can be handled in the same way as LPDDR4. Add
the missing case.

Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230524083153.2046084-13-s.hauer@pengutronix.de
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/devfreq/event/rockchip-dfi.c | 1 +
include/soc/rockchip/rockchip_grf.h | 1 +
2 files changed, 2 insertions(+)

diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
index 16cd5365671f7..0a568c5551699 100644
--- a/drivers/devfreq/event/rockchip-dfi.c
+++ b/drivers/devfreq/event/rockchip-dfi.c
@@ -89,6 +89,7 @@ static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
dfi_regs + DDRMON_CTRL);
break;
case ROCKCHIP_DDRTYPE_LPDDR4:
+ case ROCKCHIP_DDRTYPE_LPDDR4X:
writel_relaxed(HIWORD_UPDATE(DDRMON_CTRL_LPDDR4, DDRMON_CTRL_DDR_TYPE_MASK),
dfi_regs + DDRMON_CTRL);
break;
diff --git a/include/soc/rockchip/rockchip_grf.h b/include/soc/rockchip/rockchip_grf.h
index dde1a9796ccb5..e46fd72aea8d1 100644
--- a/include/soc/rockchip/rockchip_grf.h
+++ b/include/soc/rockchip/rockchip_grf.h
@@ -12,6 +12,7 @@ enum {
ROCKCHIP_DDRTYPE_LPDDR2 = 5,
ROCKCHIP_DDRTYPE_LPDDR3 = 6,
ROCKCHIP_DDRTYPE_LPDDR4 = 7,
+ ROCKCHIP_DDRTYPE_LPDDR4X = 8,
};

#endif /* __SOC_ROCKCHIP_GRF_H */
--
2.39.2