1// Copyright 2018 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include <ddk/debug.h>
6#include <ddk/device.h>
7#include <ddk/protocol/platform-bus.h>
8#include <ddk/protocol/platform-defs.h>
9#include <soc/aml-s905d2/s905d2-hw.h>
10
11#include "astro.h"
12
13static const pbus_mmio_t clk_mmios[] = {
14    // CLK Registers
15    {
16        .base = S905D2_HIU_BASE,
17        .length = S905D2_HIU_LENGTH,
18    },
19    // CLK MSR block
20    {
21        .base = S905D2_MSR_CLK_BASE,
22        .length = S905D2_MSR_CLK_LENGTH,
23    },
24};
25
26static const pbus_dev_t clk_dev = {
27    .name = "astro-clk",
28    .vid = PDEV_VID_AMLOGIC,
29    .pid = PDEV_PID_AMLOGIC_S905D2,
30    .did = PDEV_DID_AMLOGIC_G12A_CLK,
31    .mmios = clk_mmios,
32    .mmio_count = countof(clk_mmios),
33};
34
35zx_status_t aml_clk_init(aml_bus_t* bus) {
36    zx_status_t status = pbus_protocol_device_add(&bus->pbus, ZX_PROTOCOL_CLK, &clk_dev);
37    if (status != ZX_OK) {
38        zxlogf(ERROR, "aml_clk_init: pbus_protocol_device_add failed, st = %d\n", status);
39        return status;
40    }
41
42    return ZX_OK;
43}
44