netdev - [PATCH net-next v2 3/5] net: lan966x: Add registers used to configure the PTP pin

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Date:   Wed, 27 Apr 2022 08:51:25 +0200
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>, <pabeni@...hat.com>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <UNGLinuxDriver@...rochip.com>, <richardcochran@...il.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next v2 3/5] net: lan966x: Add registers used to configure the PTP pin

Add registers that are used to configure the PTP pins. These registers
are used to enable the interrupts per PTP pin and to set the waveform
generated by the pin.

Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
 .../ethernet/microchip/lan966x/lan966x_regs.h | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h b/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
index 2f59285bef29..8265ad89f0bc 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
@@ -684,6 +684,24 @@ enum lan966x_target {
 /*      FDMA:FDMA:FDMA_ERRORS */
 #define FDMA_ERRORS               __REG(TARGET_FDMA, 0, 1, 8, 0, 1, 428, 412, 0, 1, 4)
 
+/*      PTP:PTP_CFG:PTP_PIN_INTR */
+#define PTP_PIN_INTR              __REG(TARGET_PTP, 0, 1, 512, 0, 1, 16, 0, 0, 1, 4)
+
+#define PTP_PIN_INTR_INTR_PTP                    GENMASK(7, 0)
+#define PTP_PIN_INTR_INTR_PTP_SET(x)\
+	FIELD_PREP(PTP_PIN_INTR_INTR_PTP, x)
+#define PTP_PIN_INTR_INTR_PTP_GET(x)\
+	FIELD_GET(PTP_PIN_INTR_INTR_PTP, x)
+
+/*      PTP:PTP_CFG:PTP_PIN_INTR_ENA */
+#define PTP_PIN_INTR_ENA          __REG(TARGET_PTP, 0, 1, 512, 0, 1, 16, 4, 0, 1, 4)
+
+#define PTP_PIN_INTR_ENA_INTR_ENA                GENMASK(7, 0)
+#define PTP_PIN_INTR_ENA_INTR_ENA_SET(x)\
+	FIELD_PREP(PTP_PIN_INTR_ENA_INTR_ENA, x)
+#define PTP_PIN_INTR_ENA_INTR_ENA_GET(x)\
+	FIELD_GET(PTP_PIN_INTR_ENA_INTR_ENA, x)
+
 /*      PTP:PTP_CFG:PTP_DOM_CFG */
 #define PTP_DOM_CFG               __REG(TARGET_PTP, 0, 1, 512, 0, 1, 16, 12, 0, 1, 4)
 
@@ -717,6 +735,12 @@ enum lan966x_target {
 #define PTP_PIN_CFG_PIN_SYNC_GET(x)\
 	FIELD_GET(PTP_PIN_CFG_PIN_SYNC, x)
 
+#define PTP_PIN_CFG_PIN_SELECT                   GENMASK(23, 21)
+#define PTP_PIN_CFG_PIN_SELECT_SET(x)\
+	FIELD_PREP(PTP_PIN_CFG_PIN_SELECT, x)
+#define PTP_PIN_CFG_PIN_SELECT_GET(x)\
+	FIELD_GET(PTP_PIN_CFG_PIN_SELECT, 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)
@@ -744,6 +768,22 @@ enum lan966x_target {
 #define PTP_TOD_NSEC_TOD_NSEC_GET(x)\
 	FIELD_GET(PTP_TOD_NSEC_TOD_NSEC, x)
 
+/*      PTP:PTP_PINS:WF_HIGH_PERIOD */
+#define PTP_WF_HIGH_PERIOD(g)     __REG(TARGET_PTP,\
+					0, 1, 0, g, 8, 64, 24, 0, 1, 4)
+
+#define PTP_WF_HIGH_PERIOD_PIN_WFH(x)            ((x) & GENMASK(29, 0))
+#define PTP_WF_HIGH_PERIOD_PIN_WFH_M             GENMASK(29, 0)
+#define PTP_WF_HIGH_PERIOD_PIN_WFH_X(x)          ((x) & GENMASK(29, 0))
+
+/*      PTP:PTP_PINS:WF_LOW_PERIOD */
+#define PTP_WF_LOW_PERIOD(g)      __REG(TARGET_PTP,\
+					0, 1, 0, g, 8, 64, 28, 0, 1, 4)
+
+#define PTP_WF_LOW_PERIOD_PIN_WFL(x)             ((x) & GENMASK(29, 0))
+#define PTP_WF_LOW_PERIOD_PIN_WFL_M              GENMASK(29, 0)
+#define PTP_WF_LOW_PERIOD_PIN_WFL_X(x)           ((x) & GENMASK(29, 0))
+
 /*      PTP:PTP_TS_FIFO:PTP_TWOSTEP_CTRL */
 #define PTP_TWOSTEP_CTRL          __REG(TARGET_PTP, 0, 1, 612, 0, 1, 12, 0, 0, 1, 4)
 
-- 
2.33.0