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/platform-defs.h>
8 #include <ddk/protocol/platform/bus.h>
9 #include <soc/aml-s912/s912-hw.h>
10
11 #include "vim.h"
12
13 static const pbus_mmio_t clk_mmios[] = {
14 {
15 .base = S912_HIU_BASE,
16 .length = S912_HIU_LENGTH,
17 },
18 };
19
20 static const pbus_dev_t clk_dev = {
21 .name = "vim-clk",
22 .vid = PDEV_VID_AMLOGIC,
23 .pid = PDEV_PID_AMLOGIC_S912,
24 .did = PDEV_DID_AMLOGIC_AXG_CLK,
25 .mmio_list = clk_mmios,
26 .mmio_count = countof(clk_mmios),
27 };
28
vim_clk_init(vim_bus_t * bus)29 zx_status_t vim_clk_init(vim_bus_t* bus) {
30 zx_status_t status = pbus_protocol_device_add(&bus->pbus, ZX_PROTOCOL_CLK, &clk_dev);
31 if (status != ZX_OK) {
32 zxlogf(ERROR, "vim_clk_init: pbus_protocol_device_add failed, st = %d\n", status);
33 return status;
34 }
35
36 return ZX_OK;
37 }
38