linux-imx

/*

 * Copyright (c) 2014, Sony Mobile Communications AB.

 * Copyright (c) 2013, The Linux Foundation. All rights reserved.

 * Author: Bjorn Andersson <bjorn.andersson@sonymobile.com>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and

 * only version 2 as published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 */

​

#include <linux/module.h>

#include <linux/platform_device.h>

#include <linux/of_platform.h>

#include <linux/io.h>

#include <linux/interrupt.h>

#include <linux/mfd/qcom_rpm.h>

#include <linux/mfd/syscon.h>

#include <linux/regmap.h>

#include <linux/clk.h>

​

#include <dt-bindings/mfd/qcom-rpm.h>

​

struct qcom_rpm_resource {

    unsigned target_id;

    unsigned status_id;

    unsigned select_id;

    unsigned size;

};

​

struct qcom_rpm_data {

    u32 version;

    const struct qcom_rpm_resource *resource_table;

    unsigned int n_resources;

    unsigned int req_ctx_off;

    unsigned int req_sel_off;

    unsigned int ack_ctx_off;

    unsigned int ack_sel_off;

    unsigned int req_sel_size;

    unsigned int ack_sel_size;

};

​

struct qcom_rpm {

    struct device *dev;

    struct regmap *ipc_regmap;

    unsigned ipc_offset;

    unsigned ipc_bit;

    struct clk *ramclk;

​

    struct completion ack;

    struct mutex lock;

​

    void __iomem *status_regs;

    void __iomem *ctrl_regs;

    void __iomem *req_regs;

​

    u32 ack_status;

​

    const struct qcom_rpm_data *data;