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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c 
 kernel/include/linux/platform_data/mlxreg.h
....@@ -1,40 +1,28 @@
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+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
12 /*
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- * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
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- * Copyright (c) 2017 Vadim Pasternak <vadimp@mellanox.com>
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- *
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- * Redistribution and use in source and binary forms, with or without
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- * modification, are permitted provided that the following conditions are met:
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- *
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- * 1. Redistributions of source code must retain the above copyright
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- *    notice, this list of conditions and the following disclaimer.
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- * 2. Redistributions in binary form must reproduce the above copyright
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- *    notice, this list of conditions and the following disclaimer in the
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- *    documentation and/or other materials provided with the distribution.
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- * 3. Neither the names of the copyright holders nor the names of its
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- *    contributors may be used to endorse or promote products derived from
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- *    this software without specific prior written permission.
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- *
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- * Alternatively, this software may be distributed under the terms of the
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- * GNU General Public License ("GPL") version 2 as published by the Free
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- * Software Foundation.
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- *
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- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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- * POSSIBILITY OF SUCH DAMAGE.
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+ * Copyright (C) 2017-2020 Mellanox Technologies Ltd.
324  */
335 
346 #ifndef __LINUX_PLATFORM_DATA_MLXREG_H
357 #define __LINUX_PLATFORM_DATA_MLXREG_H
368 
379 #define MLXREG_CORE_LABEL_MAX_SIZE	32
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+#define MLXREG_CORE_WD_FEATURE_NOWAYOUT		BIT(0)
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+#define MLXREG_CORE_WD_FEATURE_START_AT_BOOT	BIT(1)
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+
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+/**
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+ * enum mlxreg_wdt_type - type of HW watchdog
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+ *
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+ * TYPE1 HW watchdog implementation exist in old systems.
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+ * All new systems have TYPE2 HW watchdog.
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+ * TYPE3 HW watchdog can exist on all systems with new CPLD.
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+ * TYPE3 is selected by WD capability bit.
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+ */
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+enum mlxreg_wdt_type {
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+	MLX_WDT_TYPE1,
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+	MLX_WDT_TYPE2,
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+	MLX_WDT_TYPE3,
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+};
3826 
3927 /**
4028  * struct mlxreg_hotplug_device - I2C device data:
....@@ -61,22 +49,28 @@
6149  * @reg: attribute register;
6250  * @mask: attribute access mask;
6351  * @bit: attribute effective bit;
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+ * @capability: attribute capability register;
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+ * @reg_prsnt: attribute presence register;
6454  * @mode: access mode;
6555  * @np - pointer to node platform associated with attribute;
6656  * @hpdev - hotplug device data;
6757  * @health_cntr: dynamic device health indication counter;
6858  * @attached: true if device has been attached after good health indication;
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+ * @regnum: number of registers occupied by multi-register attribute;
6960  */
7061 struct mlxreg_core_data {
7162 	char label[MLXREG_CORE_LABEL_MAX_SIZE];
7263 	u32 reg;
7364 	u32 mask;
7465 	u32 bit;
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+	u32 capability;
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+	u32 reg_prsnt;
7568 	umode_t	mode;
7669 	struct device_node *np;
7770 	struct mlxreg_hotplug_device hpdev;
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-	u8 health_cntr;
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+	u32 health_cntr;
7972 	bool attached;
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+	u8 regnum;
8074 };
8175 
8276 /**
....@@ -86,6 +80,7 @@
8680  * @aggr_mask: group aggregation mask;
8781  * @reg: group interrupt status register;
8882  * @mask: group interrupt mask;
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+ * @capability: group capability register;
8984  * @cache: last status value for elements fro the same group;
9085  * @count: number of available elements in the group;
9186  * @ind: element's index inside the group;
....@@ -97,6 +92,7 @@
9792 	u32 aggr_mask;
9893 	u32 reg;
9994 	u32 mask;
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+	u32 capability;
10096 	u32 cache;
10197 	u8 count;
10298 	u8 ind;
....@@ -107,14 +103,22 @@
107103 /**
108104  * struct mlxreg_core_platform_data - platform data:
109105  *
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- * @led_data: led private data;
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+ * @data: instance private data;
111107  * @regmap: register map of parent device;
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- * @counter: number of led instances;
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+ * @counter: number of instances;
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+ * @features: supported features of device;
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+ * @version: implementation version;
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+ * @identity: device identity name;
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+ * @capability: device capability register;
113113  */
114114 struct mlxreg_core_platform_data {
115115 	struct mlxreg_core_data *data;
116116 	void *regmap;
117117 	int counter;
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+	u32 features;
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+	u32 version;
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+	char identity[MLXREG_CORE_LABEL_MAX_SIZE];
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+	u32 capability;
118122 };
119123 
120124 /**