[PATCH v4 12/21] PM / devfreq: rockchip-dfi: Handle LPDDR4X

Sascha Hauer s.hauer at pengutronix.de
Fri May 5 04:38:47 PDT 2023


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

Signed-off-by: Sascha Hauer <s.hauer at 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 92ee61c96a1a9..dc48d9c26f599 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 dc77bb762a05a..7150a3362b142 100644
--- a/include/soc/rockchip/rockchip_grf.h
+++ b/include/soc/rockchip/rockchip_grf.h
@@ -11,5 +11,6 @@
 #define ROCKCHIP_DDRTYPE_LPDDR2	5
 #define ROCKCHIP_DDRTYPE_LPDDR3	6
 #define ROCKCHIP_DDRTYPE_LPDDR4	7
+#define ROCKCHIP_DDRTYPE_LPDDR4X	8
 
 #endif /* __SOC_ROCKCHIP_GRF_H */
-- 
2.39.2




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