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Message-ID: <20220131100122.423164-3-horatiu.vultur@microchip.com>
Date: Mon, 31 Jan 2022 11:01:17 +0100
From: Horatiu Vultur <horatiu.vultur@...rochip.com>
To: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <robh+dt@...nel.org>,
<UNGLinuxDriver@...rochip.com>, <linux@...linux.org.uk>,
<richardcochran@...il.com>, <f.fainelli@...il.com>,
<vivien.didelot@...il.com>, <vladimir.oltean@....com>,
<andrew@...n.ch>, Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next v2 2/7] net: lan966x: Add registers that are use for ptp functionality
Add the registers that will be used to configure the PHC in the HW.
Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
.../ethernet/microchip/lan966x/lan966x_main.c | 1 +
.../ethernet/microchip/lan966x/lan966x_regs.h | 103 ++++++++++++++++++
2 files changed, 104 insertions(+)
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 1f60fd125a1d..2853e8f7fb39 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -44,6 +44,7 @@ static const struct lan966x_main_io_resource lan966x_main_iomap[] = {
{ TARGET_ORG, 0, 1 }, /* 0xe2000000 */
{ TARGET_GCB, 0x4000, 1 }, /* 0xe2004000 */
{ TARGET_QS, 0x8000, 1 }, /* 0xe2008000 */
+ { TARGET_PTP, 0xc000, 1 }, /* 0xe200c000 */
{ TARGET_CHIP_TOP, 0x10000, 1 }, /* 0xe2010000 */
{ TARGET_REW, 0x14000, 1 }, /* 0xe2014000 */
{ TARGET_SYS, 0x28000, 1 }, /* 0xe2028000 */
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h b/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
index 797560172aca..37a5d7e63cb6 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
@@ -19,6 +19,7 @@ enum lan966x_target {
TARGET_DEV = 13,
TARGET_GCB = 27,
TARGET_ORG = 36,
+ TARGET_PTP = 41,
TARGET_QS = 42,
TARGET_QSYS = 46,
TARGET_REW = 47,
@@ -559,6 +560,108 @@ enum lan966x_target {
#define DEV_PCS1G_STICKY_LINK_DOWN_STICKY_GET(x)\
FIELD_GET(DEV_PCS1G_STICKY_LINK_DOWN_STICKY, x)
+/* PTP:PTP_CFG:PTP_DOM_CFG */
+#define PTP_DOM_CFG __REG(TARGET_PTP, 0, 1, 512, 0, 1, 16, 12, 0, 1, 4)
+
+#define PTP_DOM_CFG_ENA GENMASK(11, 9)
+#define PTP_DOM_CFG_ENA_SET(x)\
+ FIELD_PREP(PTP_DOM_CFG_ENA, x)
+#define PTP_DOM_CFG_ENA_GET(x)\
+ FIELD_GET(PTP_DOM_CFG_ENA, x)
+
+#define PTP_DOM_CFG_CLKCFG_DIS GENMASK(2, 0)
+#define PTP_DOM_CFG_CLKCFG_DIS_SET(x)\
+ FIELD_PREP(PTP_DOM_CFG_CLKCFG_DIS, x)
+#define PTP_DOM_CFG_CLKCFG_DIS_GET(x)\
+ FIELD_GET(PTP_DOM_CFG_CLKCFG_DIS, x)
+
+/* PTP:PTP_TOD_DOMAINS:CLK_PER_CFG */
+#define PTP_CLK_PER_CFG(g, r) __REG(TARGET_PTP, 0, 1, 528, g, 3, 28, 0, r, 2, 4)
+
+/* PTP:PTP_PINS:PTP_PIN_CFG */
+#define PTP_PIN_CFG(g) __REG(TARGET_PTP, 0, 1, 0, g, 8, 64, 0, 0, 1, 4)
+
+#define PTP_PIN_CFG_PIN_ACTION GENMASK(29, 27)
+#define PTP_PIN_CFG_PIN_ACTION_SET(x)\
+ FIELD_PREP(PTP_PIN_CFG_PIN_ACTION, x)
+#define PTP_PIN_CFG_PIN_ACTION_GET(x)\
+ FIELD_GET(PTP_PIN_CFG_PIN_ACTION, x)
+
+#define PTP_PIN_CFG_PIN_SYNC GENMASK(26, 25)
+#define PTP_PIN_CFG_PIN_SYNC_SET(x)\
+ FIELD_PREP(PTP_PIN_CFG_PIN_SYNC, x)
+#define PTP_PIN_CFG_PIN_SYNC_GET(x)\
+ FIELD_GET(PTP_PIN_CFG_PIN_SYNC, x)
+
+#define PTP_PIN_CFG_PIN_DOM GENMASK(17, 16)
+#define PTP_PIN_CFG_PIN_DOM_SET(x)\
+ FIELD_PREP(PTP_PIN_CFG_PIN_DOM, x)
+#define PTP_PIN_CFG_PIN_DOM_GET(x)\
+ FIELD_GET(PTP_PIN_CFG_PIN_DOM, x)
+
+/* PTP:PTP_PINS:PTP_TOD_SEC_MSB */
+#define PTP_TOD_SEC_MSB(g) __REG(TARGET_PTP, 0, 1, 0, g, 8, 64, 4, 0, 1, 4)
+
+#define PTP_TOD_SEC_MSB_TOD_SEC_MSB GENMASK(15, 0)
+#define PTP_TOD_SEC_MSB_TOD_SEC_MSB_SET(x)\
+ FIELD_PREP(PTP_TOD_SEC_MSB_TOD_SEC_MSB, x)
+#define PTP_TOD_SEC_MSB_TOD_SEC_MSB_GET(x)\
+ FIELD_GET(PTP_TOD_SEC_MSB_TOD_SEC_MSB, x)
+
+/* PTP:PTP_PINS:PTP_TOD_SEC_LSB */
+#define PTP_TOD_SEC_LSB(g) __REG(TARGET_PTP, 0, 1, 0, g, 8, 64, 8, 0, 1, 4)
+
+/* PTP:PTP_PINS:PTP_TOD_NSEC */
+#define PTP_TOD_NSEC(g) __REG(TARGET_PTP, 0, 1, 0, g, 8, 64, 12, 0, 1, 4)
+
+#define PTP_TOD_NSEC_TOD_NSEC GENMASK(29, 0)
+#define PTP_TOD_NSEC_TOD_NSEC_SET(x)\
+ FIELD_PREP(PTP_TOD_NSEC_TOD_NSEC, x)
+#define PTP_TOD_NSEC_TOD_NSEC_GET(x)\
+ FIELD_GET(PTP_TOD_NSEC_TOD_NSEC, x)
+
+/* PTP:PTP_TS_FIFO:PTP_TWOSTEP_CTRL */
+#define PTP_TWOSTEP_CTRL __REG(TARGET_PTP, 0, 1, 612, 0, 1, 12, 0, 0, 1, 4)
+
+#define PTP_TWOSTEP_CTRL_NXT BIT(11)
+#define PTP_TWOSTEP_CTRL_NXT_SET(x)\
+ FIELD_PREP(PTP_TWOSTEP_CTRL_NXT, x)
+#define PTP_TWOSTEP_CTRL_NXT_GET(x)\
+ FIELD_GET(PTP_TWOSTEP_CTRL_NXT, x)
+
+#define PTP_TWOSTEP_CTRL_VLD BIT(10)
+#define PTP_TWOSTEP_CTRL_VLD_SET(x)\
+ FIELD_PREP(PTP_TWOSTEP_CTRL_VLD, x)
+#define PTP_TWOSTEP_CTRL_VLD_GET(x)\
+ FIELD_GET(PTP_TWOSTEP_CTRL_VLD, x)
+
+#define PTP_TWOSTEP_CTRL_STAMP_TX BIT(9)
+#define PTP_TWOSTEP_CTRL_STAMP_TX_SET(x)\
+ FIELD_PREP(PTP_TWOSTEP_CTRL_STAMP_TX, x)
+#define PTP_TWOSTEP_CTRL_STAMP_TX_GET(x)\
+ FIELD_GET(PTP_TWOSTEP_CTRL_STAMP_TX, x)
+
+#define PTP_TWOSTEP_CTRL_STAMP_PORT GENMASK(8, 1)
+#define PTP_TWOSTEP_CTRL_STAMP_PORT_SET(x)\
+ FIELD_PREP(PTP_TWOSTEP_CTRL_STAMP_PORT, x)
+#define PTP_TWOSTEP_CTRL_STAMP_PORT_GET(x)\
+ FIELD_GET(PTP_TWOSTEP_CTRL_STAMP_PORT, x)
+
+#define PTP_TWOSTEP_CTRL_OVFL BIT(0)
+#define PTP_TWOSTEP_CTRL_OVFL_SET(x)\
+ FIELD_PREP(PTP_TWOSTEP_CTRL_OVFL, x)
+#define PTP_TWOSTEP_CTRL_OVFL_GET(x)\
+ FIELD_GET(PTP_TWOSTEP_CTRL_OVFL, x)
+
+/* PTP:PTP_TS_FIFO:PTP_TWOSTEP_STAMP */
+#define PTP_TWOSTEP_STAMP __REG(TARGET_PTP, 0, 1, 612, 0, 1, 12, 4, 0, 1, 4)
+
+#define PTP_TWOSTEP_STAMP_STAMP_NSEC GENMASK(31, 2)
+#define PTP_TWOSTEP_STAMP_STAMP_NSEC_SET(x)\
+ FIELD_PREP(PTP_TWOSTEP_STAMP_STAMP_NSEC, x)
+#define PTP_TWOSTEP_STAMP_STAMP_NSEC_GET(x)\
+ FIELD_GET(PTP_TWOSTEP_STAMP_STAMP_NSEC, x)
+
/* DEVCPU_QS:XTR:XTR_GRP_CFG */
#define QS_XTR_GRP_CFG(r) __REG(TARGET_QS, 0, 1, 0, 0, 1, 36, 0, r, 2, 4)
--
2.33.0
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