-----Original Message-----
From: Sascha Hauer <s.hauer@pengutronix.de>
Sent: Wednesday, October 18, 2023 3:17 PM
To: linux-rockchip@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org;
linux-pm@vger.kernel.org; Heiko Stuebner [off-list ref]; Chanwoo Choi
[off-list ref]; Kyungmin Park [off-list ref]; MyungJoo
Ham [off-list ref]; Will Deacon [off-list ref]; Mark
Rutland [off-list ref]; kernel@pengutronix.de; Michael Riesch
[off-list ref]; Robin Murphy [off-list ref];
Vincent Legoll [off-list ref]; Rob Herring
[off-list ref]; Krzysztof Kozlowski
[off-list ref]; Conor Dooley [off-list ref];
devicetree@vger.kernel.org; Sebastian Reichel
[off-list ref]; Sascha Hauer [off-list ref];
Jonathan Cameron [off-list ref]; Chanwoo Choi
[off-list ref]
Subject: [PATCH v8 12/26] PM / devfreq: rockchip-dfi: Handle LPDDR4X

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 <redacted>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
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 8ce0191552ef1..bdf421b248df9 100644

--- a/drivers/devfreq/event/rockchip-dfi.c
+++ b/drivers/devfreq/event/rockchip-dfi.c

@@ -90,6 +90,7 @@ 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