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