linux-kernel - [PATCH v3 2/4] phy: Add ethernet serdes configuration option

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20201119143527.1881404-3-steen.hegelund@microchip.com>
Date:   Thu, 19 Nov 2020 15:35:25 +0100
From:   Steen Hegelund <steen.hegelund@...rochip.com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>
CC:     Steen Hegelund <steen.hegelund@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Lars Povlsen <lars.povlsen@...rochip.com>,
        Bjarni Jonasson <bjarni.jonasson@...rochip.com>,
        Microsemi List <microsemi@...ts.bootlin.com>,
        Microchip UNG Driver List <UNGLinuxDriver@...rochip.com>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 2/4] phy: Add ethernet serdes configuration option

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@...rochip.com>
Signed-off-by: Steen Hegelund <steen.hegelund@...rochip.com>
---
 include/linux/phy/phy-ethernet-serdes.h | 33 +++++++++++++++++++++++++
 include/linux/phy/phy.h                 |  4 +++
 2 files changed, 37 insertions(+)
 create mode 100644 include/linux/phy/phy-ethernet-serdes.h

diff --git a/include/linux/phy/phy-ethernet-serdes.h b/include/linux/phy/phy-ethernet-serdes.h
new file mode 100644
index 000000000000..b800ff22d93f
--- /dev/null
+++ b/include/linux/phy/phy-ethernet-serdes.h
@@ -0,0 +1,33 @@
+/* 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/phy.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
+ * @clk: Specifies the serdes clock in MHz. Default: 0 will provide the highest
+ * supported clock.
+ */
+struct phy_configure_opts_eth_serdes {
+	u32                        speed;
+	enum ethernet_media_type   media_type;
+	u32                        clk;
+};
+
+#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;
 };
 
-- 
2.29.2