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[v8,2/4] phy: Add ethernet serdes configuration option

Message ID 20201203103015.3735373-3-steen.hegelund@microchip.com
State Not Applicable
Headers show
Series Adding the Sparx5 Serdes driver | expand

Commit Message

Steen Hegelund Dec. 3, 2020, 10:30 a.m. UTC 
Provide a new ethernet phy configuration structure, that
allow PHYs used for ethernet to be configured with
speed, media type and clock information.

Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
---
 include/linux/phy/phy-ethernet-serdes.h | 30 +++++++++++++++++++++++++
 include/linux/phy/phy.h                 |  4 ++++
 2 files changed, 34 insertions(+)
 create mode 100644 include/linux/phy/phy-ethernet-serdes.h
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Patch

diff --git a/include/linux/phy/phy-ethernet-serdes.h b/include/linux/phy/phy-ethernet-serdes.h
new file mode 100644
index 000000000000..d2462fadf179
--- /dev/null
+++ b/include/linux/phy/phy-ethernet-serdes.h
@@ -0,0 +1,30 @@ 
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+/*
+ * Microchip Sparx5 Ethernet SerDes driver
+ *
+ * Copyright (c) 2020 Microschip Inc
+ */
+#ifndef __PHY_ETHERNET_SERDES_H_
+#define __PHY_ETHERNET_SERDES_H_
+
+#include <linux/types.h>
+
+enum ethernet_media_type {
+	ETH_MEDIA_DEFAULT,
+	ETH_MEDIA_SR,
+	ETH_MEDIA_DAC,
+};
+
+/**
+ * struct phy_configure_opts_eth_serdes - Ethernet SerDes This structure is used
+ * to represent the configuration state of a Ethernet Serdes PHY.
+ * @speed: Speed of the serdes interface in Mbps
+ * @media_type: Specifies which media the serdes will be using
+ */
+struct phy_configure_opts_eth_serdes {
+	u32                        speed;
+	enum ethernet_media_type   media_type;
+};
+
+#endif
+
diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index e435bdb0bab3..78ecb375cede 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -18,6 +18,7 @@ 
 
 #include <linux/phy/phy-dp.h>
 #include <linux/phy/phy-mipi-dphy.h>
+#include <linux/phy/phy-ethernet-serdes.h>
 
 struct phy;
 
@@ -49,11 +50,14 @@  enum phy_mode {
  *
  * @mipi_dphy:	Configuration set applicable for phys supporting
  *		the MIPI_DPHY phy mode.
+ * @eth_serdes: Configuration set applicable for phys supporting
+ *		the ethernet serdes.
  * @dp:		Configuration set applicable for phys supporting
  *		the DisplayPort protocol.
  */
 union phy_configure_opts {
 	struct phy_configure_opts_mipi_dphy	mipi_dphy;
+	struct phy_configure_opts_eth_serdes	eth_serdes;
 	struct phy_configure_opts_dp		dp;
 };