system/dev/board/vim/vim-clk.cpp

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <ddk/debug.h>
#include <ddk/device.h>
#include <ddk/platform-defs.h>
#include <ddk/protocol/platform/bus.h>
#include <soc/aml-s912/s912-hw.h>

#include "vim.h"

namespace vim {
static const pbus_mmio_t clk_mmios[] = {
    {
        .base = S912_HIU_BASE,
        .length = S912_HIU_LENGTH,
    },
};

zx_status_t Vim::ClkInit() {

    pbus_dev_t clk_dev = {};
    clk_dev.name = "vim-clk";
    clk_dev.vid = PDEV_VID_AMLOGIC;
    clk_dev.pid = PDEV_PID_AMLOGIC_S912;
    clk_dev.did = PDEV_DID_AMLOGIC_AXG_CLK;
    clk_dev.mmio_list = clk_mmios;
    clk_dev.mmio_count = countof(clk_mmios);

    zx_status_t status = pbus_.ProtocolDeviceAdd(ZX_PROTOCOL_CLK, &clk_dev);
    if (status != ZX_OK) {
        zxlogf(ERROR, "ClkInit: pbus_protocol_device_add failed, st = %d\n", status);
        return status;
    }

    return ZX_OK;
}
} //namespace vim