| // 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 <hw/reg.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <threads.h> |
| |
| #include <zircon/assert.h> |
| #include <zircon/threads.h> |
| |
| #include <ddk/binding.h> |
| #include <ddk/debug.h> |
| #include <ddk/device.h> |
| #include <ddk/protocol/clk.h> |
| #include <ddk/protocol/platform-bus.h> |
| #include <ddk/protocol/platform-defs.h> |
| #include <ddk/protocol/platform-device.h> |
| |
| #include <dev/clk/meson-lib/meson.h> |
| #include <soc/aml-meson/gxl-clk.h> |
| |
| #define GXL_HHI_GCLK_MPEG0 0x50 |
| #define GXL_HHI_GCLK_MPEG1 0x51 |
| #define GXL_HHI_GCLK_MPEG2 0x52 |
| #define GXL_HHI_GCLK_OTHER 0x54 |
| |
| static meson_clk_gate_t gxl_clk_gates[] = { |
| // MPEG0 Domain Clocks |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 0}, // CLK_GXL_DDR |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 1}, // CLK_GXL_DOS |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 5}, // CLK_GXL_ISA |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 6}, // CLK_GXL_PL301 |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 7}, // CLK_GXL_PERIPHS |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 8}, // CLK_GXL_SPICC |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 9}, // CLK_GXL_I2C |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 10}, // CLK_GXL_SANA |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 11}, // CLK_GXL_SMART_CARD |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 12}, // CLK_GXL_RNG0 |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 13}, // CLK_GXL_UART0 |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 14}, // CLK_GXL_SDHC |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 15}, // CLK_GXL_STREAM |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 16}, // CLK_GXL_ASYNC_FIFO |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 17}, // CLK_GXL_SDIO |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 18}, // CLK_GXL_ABUF |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 19}, // CLK_GXL_HIU_IFACE |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 22}, // CLK_GXL_BT656 |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 23}, // CLK_GXL_ASSIST_MISC |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 24}, // CLK_GXL_EMMC_A |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 25}, // CLK_GXL_EMMC_B |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 26}, // CLK_GXL_EMMC_C |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 27}, // CLK_GXL_DMA |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 28}, // CLK_GXL_ACODEC |
| {.reg = GXL_HHI_GCLK_MPEG0, .bit = 30}, // CLK_GXL_SPI |
| |
| // MPEG1 Domain Clocks |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 0}, // CLK_GXL_PCLK_TVFE |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 2}, // CLK_GXL_I2S_SPDIF |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 3}, // CLK_GXL_ETH |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 4}, // CLK_GXL_DEMUX |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 6}, // CLK_GXL_AIU_GLUE |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 7}, // CLK_GXL_IEC958 |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 8}, // CLK_GXL_I2S_OUT |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 9}, // CLK_GXL_AMCLK |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 10}, // CLK_GXL_AIFIFO2 |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 11}, // CLK_GXL_MIXER |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 12}, // CLK_GXL_MIXER_IFACE |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 13}, // CLK_GXL_ADC |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 14}, // CLK_GXL_BLKMV |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 15}, // CLK_GXL_AIU_TOP |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 16}, // CLK_GXL_UART1 |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 20}, // CLK_GXL_G2D |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 21}, // CLK_GXL_USB0 |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 22}, // CLK_GXL_USB1 |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 23}, // CLK_GXL_RESET |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 24}, // CLK_GXL_NAND |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 25}, // CLK_GXL_DOS_PARSER |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 26}, // CLK_GXL_USB_GENERAL |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 28}, // CLK_GXL_VDIN1 |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 29}, // CLK_GXL_AHB_ARB0 |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 30}, // CLK_GXL_EFUSE |
| {.reg = GXL_HHI_GCLK_MPEG1, .bit = 31}, // CLK_GXL_BOOT_ROM |
| |
| // MPEG2 Domain Clocks |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 1}, // CLK_GXL_AHB_DATA_BUS |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 2}, // CLK_GXL_AHB_CTRL_BUS |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 3}, // CLK_GXL_HDCP22_PCLK |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 4}, // CLK_GXL_HDMITX_PCLK |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 5}, // CLK_GXL_PDM_PCLK |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 6}, // CLK_GXL_BT656_PCLK |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 8}, // CLK_GXL_USB1_TO_DDR |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 9}, // CLK_GXL_USB0_TO_DDR |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 10}, // CLK_GXL_AIU_PCLK |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 11}, // CLK_GXL_MMC_PCLK |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 12}, // CLK_GXL_DVIN |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 15}, // CLK_GXL_UART2 |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 22}, // CLK_GXL_SARADC |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 25}, // CLK_GXL_VPU_INTR |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 26}, // CLK_GXL_SEC_AHB_AHB3_BRIDGE |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 27}, // CLK_GXL_APB3_AO |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 28}, // CLK_GXL_MCLK_TVFE |
| {.reg = GXL_HHI_GCLK_MPEG2, .bit = 30}, // CLK_GXL_CLK81_GIC |
| |
| // Other Domain Clocks |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 1}, // CLK_GXL_VCLK2_VENCI0 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 2}, // CLK_GXL_VCLK2_VENCI1 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 3}, // CLK_GXL_VCLK2_VENCP0 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 4}, // CLK_GXL_VCLK2_VENCP1 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 5}, // CLK_GXL_VCLK2_VENCT0 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 6}, // CLK_GXL_VCLK2_VENCT1 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 7}, // CLK_GXL_VCLK2_OTHER |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 8}, // CLK_GXL_VCLK2_ENCI |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 9}, // CLK_GXL_VCLK2_ENCP |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 10}, // CLK_GXL_DAC_CLK |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 14}, // CLK_GXL_AOCLK_GATE |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 16}, // CLK_GXL_IEC958_GATE |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 20}, // CLK_GXL_ENC480P |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 21}, // CLK_GXL_RNG1 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 22}, // CLK_GXL_VCLK2_ENCT |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 23}, // CLK_GXL_VCLK2_ENCL |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 24}, // CLK_GXL_VCLK2_VENCLMMC |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 25}, // CLK_GXL_VCLK2_VENCL |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 26}, // CLK_GXL_VCLK2_OTHER1 |
| {.reg = GXL_HHI_GCLK_OTHER, .bit = 31}, // CLK_GXL_EDP |
| }; |
| |
| static_assert(CLK_GXL_COUNT == countof(gxl_clk_gates), |
| "gxl_clk_gates[] and gxl_clk_gate_idx count mismatch"); |
| |
| static const char meson_gxl_clk_name[] = "meson-gxl-clk"; |
| |
| static zx_status_t meson_gxl_clk_bind(void* ctx, zx_device_t* parent) { |
| return meson_clk_init(meson_gxl_clk_name, gxl_clk_gates, |
| countof(gxl_clk_gates), parent); |
| } |
| |
| static zx_driver_ops_t meson_gxl_clk_driver_ops = { |
| .version = DRIVER_OPS_VERSION, |
| .bind = meson_gxl_clk_bind, |
| }; |
| |
| ZIRCON_DRIVER_BEGIN(meson_gxl_clk, meson_gxl_clk_driver_ops, "zircon", "0.1", 3) |
| BI_ABORT_IF(NE, BIND_PROTOCOL, ZX_PROTOCOL_PLATFORM_DEV), |
| BI_ABORT_IF(NE, BIND_PLATFORM_DEV_VID, PDEV_VID_AMLOGIC), |
| BI_MATCH_IF(EQ, BIND_PLATFORM_DEV_DID, PDEV_DID_AMLOGIC_GXL_CLK), |
| ZIRCON_DRIVER_END(meson_gxl_clk) |
