netdev - [net-next 4/5] net: ethernet: renesas: rcar_gen4

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Message-ID: <20231117164332.354443-5-niklas.soderlund+renesas@ragnatech.se>
Date: Fri, 17 Nov 2023 17:43:31 +0100
From: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
To: "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Richard Cochran <richardcochran@...il.com>,
	netdev@...r.kernel.org
Cc: linux-renesas-soc@...r.kernel.org,
	Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Subject: [net-next 4/5] net: ethernet: renesas: rcar_gen4_ptp: Add V4H clock setting

The gPTP clock is different between R-Car S4 and R-Car V4H. In
preparation of adding R-Car V4H support define the clock setting.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
---
 drivers/net/ethernet/renesas/rcar_gen4_ptp.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/renesas/rcar_gen4_ptp.h b/drivers/net/ethernet/renesas/rcar_gen4_ptp.h
index 35664d1dc472..b83a209e9845 100644
--- a/drivers/net/ethernet/renesas/rcar_gen4_ptp.h
+++ b/drivers/net/ethernet/renesas/rcar_gen4_ptp.h
@@ -9,8 +9,12 @@
 
 #include <linux/ptp_clock_kernel.h>
 
-#define PTPTIVC_INIT			0x19000000	/* 320MHz */
-#define RCAR_GEN4_PTP_CLOCK_S4		PTPTIVC_INIT
+#define PTPTIVC_INIT_200MHZ		0x28000000	/* 200MHz */
+#define PTPTIVC_INIT_320MHZ		0x19000000	/* 320MHz */
+
+#define RCAR_GEN4_PTP_CLOCK_S4		PTPTIVC_INIT_320MHZ
+#define RCAR_GEN4_PTP_CLOCK_V4H		PTPTIVC_INIT_200MHZ
+
 #define RCAR_GEN4_GPTP_OFFSET_S4	0x00018000
 
 enum rcar_gen4_ptp_reg_layout {
-- 
2.42.1