diff options
Diffstat (limited to '')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt2701.c | 1048 |
1 files changed, 1048 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701.c b/drivers/clk/mediatek/clk-mt2701.c new file mode 100644 index 000000000..4dda8988b --- /dev/null +++ b/drivers/clk/mediatek/clk-mt2701.c @@ -0,0 +1,1048 @@ +/* + * Copyright (c) 2014 MediaTek Inc. + * Author: Shunli Wang <shunli.wang@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" +#include "clk-cpumux.h" + +#include <dt-bindings/clock/mt2701-clk.h> + +/* + * For some clocks, we don't care what their actual rates are. And these + * clocks may change their rate on different products or different scenarios. + * So we model these clocks' rate as 0, to denote it's not an actual rate. + */ +#define DUMMY_RATE 0 + +static DEFINE_SPINLOCK(mt2701_clk_lock); + +static const struct mtk_fixed_clk top_fixed_clks[] = { + FIXED_CLK(CLK_TOP_DPI, "dpi_ck", "clk26m", + 108 * MHZ), + FIXED_CLK(CLK_TOP_DMPLL, "dmpll_ck", "clk26m", + 400 * MHZ), + FIXED_CLK(CLK_TOP_VENCPLL, "vencpll_ck", "clk26m", + 295750000), + FIXED_CLK(CLK_TOP_HDMI_0_PIX340M, "hdmi_0_pix340m", "clk26m", + 340 * MHZ), + FIXED_CLK(CLK_TOP_HDMI_0_DEEP340M, "hdmi_0_deep340m", "clk26m", + 340 * MHZ), + FIXED_CLK(CLK_TOP_HDMI_0_PLL340M, "hdmi_0_pll340m", "clk26m", + 340 * MHZ), + FIXED_CLK(CLK_TOP_HADDS2_FB, "hadds2_fbclk", "clk26m", + 27 * MHZ), + FIXED_CLK(CLK_TOP_WBG_DIG_416M, "wbg_dig_ck_416m", "clk26m", + 416 * MHZ), + FIXED_CLK(CLK_TOP_DSI0_LNTC_DSI, "dsi0_lntc_dsi", "clk26m", + 143 * MHZ), + FIXED_CLK(CLK_TOP_HDMI_SCL_RX, "hdmi_scl_rx", "clk26m", + 27 * MHZ), + FIXED_CLK(CLK_TOP_AUD_EXT1, "aud_ext1", "clk26m", + DUMMY_RATE), + FIXED_CLK(CLK_TOP_AUD_EXT2, "aud_ext2", "clk26m", + DUMMY_RATE), + FIXED_CLK(CLK_TOP_NFI1X_PAD, "nfi1x_pad", "clk26m", + DUMMY_RATE), +}; + +static const struct mtk_fixed_factor top_fixed_divs[] = { + FACTOR(CLK_TOP_SYSPLL, "syspll_ck", "mainpll", 1, 1), + FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "mainpll", 1, 2), + FACTOR(CLK_TOP_SYSPLL_D3, "syspll_d3", "mainpll", 1, 3), + FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "mainpll", 1, 5), + FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "mainpll", 1, 7), + FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "syspll_d2", 1, 2), + FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "syspll_d2", 1, 4), + FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "syspll_d2", 1, 8), + FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "syspll_d2", 1, 16), + FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "syspll_d3", 1, 2), + FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "syspll_d3", 1, 4), + FACTOR(CLK_TOP_SYSPLL2_D8, "syspll2_d8", "syspll_d3", 1, 8), + FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "syspll_d5", 1, 2), + FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "syspll_d5", 1, 4), + FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "syspll_d7", 1, 2), + FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "syspll_d7", 1, 4), + + FACTOR(CLK_TOP_UNIVPLL, "univpll_ck", "univpll", 1, 1), + FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univpll", 1, 2), + FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univpll", 1, 3), + FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll", 1, 5), + FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univpll", 1, 7), + FACTOR(CLK_TOP_UNIVPLL_D26, "univpll_d26", "univpll", 1, 26), + FACTOR(CLK_TOP_UNIVPLL_D52, "univpll_d52", "univpll", 1, 52), + FACTOR(CLK_TOP_UNIVPLL_D108, "univpll_d108", "univpll", 1, 108), + FACTOR(CLK_TOP_USB_PHY48M, "usb_phy48m_ck", "univpll", 1, 26), + FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univpll_d2", 1, 2), + FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univpll_d2", 1, 4), + FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univpll_d2", 1, 8), + FACTOR(CLK_TOP_8BDAC, "8bdac_ck", "univpll_d2", 1, 1), + FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univpll_d3", 1, 2), + FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univpll_d3", 1, 4), + FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univpll_d3", 1, 8), + FACTOR(CLK_TOP_UNIVPLL2_D16, "univpll2_d16", "univpll_d3", 1, 16), + FACTOR(CLK_TOP_UNIVPLL2_D32, "univpll2_d32", "univpll_d3", 1, 32), + FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univpll_d5", 1, 2), + FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univpll_d5", 1, 4), + FACTOR(CLK_TOP_UNIVPLL3_D8, "univpll3_d8", "univpll_d5", 1, 8), + + FACTOR(CLK_TOP_MSDCPLL, "msdcpll_ck", "msdcpll", 1, 1), + FACTOR(CLK_TOP_MSDCPLL_D2, "msdcpll_d2", "msdcpll", 1, 2), + FACTOR(CLK_TOP_MSDCPLL_D4, "msdcpll_d4", "msdcpll", 1, 4), + FACTOR(CLK_TOP_MSDCPLL_D8, "msdcpll_d8", "msdcpll", 1, 8), + + FACTOR(CLK_TOP_MMPLL, "mmpll_ck", "mmpll", 1, 1), + FACTOR(CLK_TOP_MMPLL_D2, "mmpll_d2", "mmpll", 1, 2), + + FACTOR(CLK_TOP_DMPLL_D2, "dmpll_d2", "dmpll_ck", 1, 2), + FACTOR(CLK_TOP_DMPLL_D4, "dmpll_d4", "dmpll_ck", 1, 4), + FACTOR(CLK_TOP_DMPLL_X2, "dmpll_x2", "dmpll_ck", 1, 1), + + FACTOR(CLK_TOP_TVDPLL, "tvdpll_ck", "tvdpll", 1, 1), + FACTOR(CLK_TOP_TVDPLL_D2, "tvdpll_d2", "tvdpll", 1, 2), + FACTOR(CLK_TOP_TVDPLL_D4, "tvdpll_d4", "tvdpll", 1, 4), + + FACTOR(CLK_TOP_VDECPLL, "vdecpll_ck", "vdecpll", 1, 1), + FACTOR(CLK_TOP_TVD2PLL, "tvd2pll_ck", "tvd2pll", 1, 1), + FACTOR(CLK_TOP_TVD2PLL_D2, "tvd2pll_d2", "tvd2pll", 1, 2), + + FACTOR(CLK_TOP_MIPIPLL, "mipipll", "dpi_ck", 1, 1), + FACTOR(CLK_TOP_MIPIPLL_D2, "mipipll_d2", "dpi_ck", 1, 2), + FACTOR(CLK_TOP_MIPIPLL_D4, "mipipll_d4", "dpi_ck", 1, 4), + + FACTOR(CLK_TOP_HDMIPLL, "hdmipll_ck", "hdmitx_dig_cts", 1, 1), + FACTOR(CLK_TOP_HDMIPLL_D2, "hdmipll_d2", "hdmitx_dig_cts", 1, 2), + FACTOR(CLK_TOP_HDMIPLL_D3, "hdmipll_d3", "hdmitx_dig_cts", 1, 3), + + FACTOR(CLK_TOP_ARMPLL_1P3G, "armpll_1p3g_ck", "armpll", 1, 1), + + FACTOR(CLK_TOP_AUDPLL, "audpll", "audpll_sel", 1, 1), + FACTOR(CLK_TOP_AUDPLL_D4, "audpll_d4", "audpll_sel", 1, 4), + FACTOR(CLK_TOP_AUDPLL_D8, "audpll_d8", "audpll_sel", 1, 8), + FACTOR(CLK_TOP_AUDPLL_D16, "audpll_d16", "audpll_sel", 1, 16), + FACTOR(CLK_TOP_AUDPLL_D24, "audpll_d24", "audpll_sel", 1, 24), + + FACTOR(CLK_TOP_AUD1PLL_98M, "aud1pll_98m_ck", "aud1pll", 1, 3), + FACTOR(CLK_TOP_AUD2PLL_90M, "aud2pll_90m_ck", "aud2pll", 1, 3), + FACTOR(CLK_TOP_HADDS2PLL_98M, "hadds2pll_98m", "hadds2pll", 1, 3), + FACTOR(CLK_TOP_HADDS2PLL_294M, "hadds2pll_294m", "hadds2pll", 1, 1), + FACTOR(CLK_TOP_ETHPLL_500M, "ethpll_500m_ck", "ethpll", 1, 1), + FACTOR(CLK_TOP_CLK26M_D8, "clk26m_d8", "clk26m", 1, 8), + FACTOR(CLK_TOP_32K_INTERNAL, "32k_internal", "clk26m", 1, 793), + FACTOR(CLK_TOP_32K_EXTERNAL, "32k_external", "rtc32k", 1, 1), + FACTOR(CLK_TOP_AXISEL_D4, "axisel_d4", "axi_sel", 1, 4), +}; + +static const char * const axi_parents[] = { + "clk26m", + "syspll1_d2", + "syspll_d5", + "syspll1_d4", + "univpll_d5", + "univpll2_d2", + "mmpll_d2", + "dmpll_d2" +}; + +static const char * const mem_parents[] = { + "clk26m", + "dmpll_ck" +}; + +static const char * const ddrphycfg_parents[] = { + "clk26m", + "syspll1_d8" +}; + +static const char * const mm_parents[] = { + "clk26m", + "vencpll_ck", + "syspll1_d2", + "syspll1_d4", + "univpll_d5", + "univpll1_d2", + "univpll2_d2", + "dmpll_ck" +}; + +static const char * const pwm_parents[] = { + "clk26m", + "univpll2_d4", + "univpll3_d2", + "univpll1_d4", +}; + +static const char * const vdec_parents[] = { + "clk26m", + "vdecpll_ck", + "syspll_d5", + "syspll1_d4", + "univpll_d5", + "univpll2_d2", + "vencpll_ck", + "msdcpll_d2", + "mmpll_d2" +}; + +static const char * const mfg_parents[] = { + "clk26m", + "mmpll_ck", + "dmpll_x2_ck", + "msdcpll_ck", + "clk26m", + "syspll_d3", + "univpll_d3", + "univpll1_d2" +}; + +static const char * const camtg_parents[] = { + "clk26m", + "univpll_d26", + "univpll2_d2", + "syspll3_d2", + "syspll3_d4", + "msdcpll_d2", + "mmpll_d2" +}; + +static const char * const uart_parents[] = { + "clk26m", + "univpll2_d8" +}; + +static const char * const spi_parents[] = { + "clk26m", + "syspll3_d2", + "syspll4_d2", + "univpll2_d4", + "univpll1_d8" +}; + +static const char * const usb20_parents[] = { + "clk26m", + "univpll1_d8", + "univpll3_d4" +}; + +static const char * const msdc30_parents[] = { + "clk26m", + "msdcpll_d2", + "syspll2_d2", + "syspll1_d4", + "univpll1_d4", + "univpll2_d4" +}; + +static const char * const audio_parents[] = { + "clk26m", + "syspll1_d16" +}; + +static const char * const aud_intbus_parents[] = { + "clk26m", + "syspll1_d4", + "syspll3_d2", + "syspll4_d2", + "univpll3_d2", + "univpll2_d4" +}; + +static const char * const pmicspi_parents[] = { + "clk26m", + "syspll1_d8", + "syspll2_d4", + "syspll4_d2", + "syspll3_d4", + "syspll2_d8", + "syspll1_d16", + "univpll3_d4", + "univpll_d26", + "dmpll_d2", + "dmpll_d4" +}; + +static const char * const scp_parents[] = { + "clk26m", + "syspll1_d8", + "dmpll_d2", + "dmpll_d4" +}; + +static const char * const dpi0_parents[] = { + "clk26m", + "mipipll", + "mipipll_d2", + "mipipll_d4", + "clk26m", + "tvdpll_ck", + "tvdpll_d2", + "tvdpll_d4" +}; + +static const char * const dpi1_parents[] = { + "clk26m", + "tvdpll_ck", + "tvdpll_d2", + "tvdpll_d4" +}; + +static const char * const tve_parents[] = { + "clk26m", + "mipipll", + "mipipll_d2", + "mipipll_d4", + "clk26m", + "tvdpll_ck", + "tvdpll_d2", + "tvdpll_d4" +}; + +static const char * const hdmi_parents[] = { + "clk26m", + "hdmipll_ck", + "hdmipll_d2", + "hdmipll_d3" +}; + +static const char * const apll_parents[] = { + "clk26m", + "audpll", + "audpll_d4", + "audpll_d8", + "audpll_d16", + "audpll_d24", + "clk26m", + "clk26m" +}; + +static const char * const rtc_parents[] = { + "32k_internal", + "32k_external", + "clk26m", + "univpll3_d8" +}; + +static const char * const nfi2x_parents[] = { + "clk26m", + "syspll2_d2", + "syspll_d7", + "univpll3_d2", + "syspll2_d4", + "univpll3_d4", + "syspll4_d4", + "clk26m" +}; + +static const char * const emmc_hclk_parents[] = { + "clk26m", + "syspll1_d2", + "syspll1_d4", + "syspll2_d2" +}; + +static const char * const flash_parents[] = { + "clk26m_d8", + "clk26m", + "syspll2_d8", + "syspll3_d4", + "univpll3_d4", + "syspll4_d2", + "syspll2_d4", + "univpll2_d4" +}; + +static const char * const di_parents[] = { + "clk26m", + "tvd2pll_ck", + "tvd2pll_d2", + "clk26m" +}; + +static const char * const nr_osd_parents[] = { + "clk26m", + "vencpll_ck", + "syspll1_d2", + "syspll1_d4", + "univpll_d5", + "univpll1_d2", + "univpll2_d2", + "dmpll_ck" +}; + +static const char * const hdmirx_bist_parents[] = { + "clk26m", + "syspll_d3", + "clk26m", + "syspll1_d16", + "syspll4_d2", + "syspll1_d4", + "vencpll_ck", + "clk26m" +}; + +static const char * const intdir_parents[] = { + "clk26m", + "mmpll_ck", + "syspll_d2", + "univpll_d2" +}; + +static const char * const asm_parents[] = { + "clk26m", + "univpll2_d4", + "univpll2_d2", + "syspll_d5" +}; + +static const char * const ms_card_parents[] = { + "clk26m", + "univpll3_d8", + "syspll4_d4" +}; + +static const char * const ethif_parents[] = { + "clk26m", + "syspll1_d2", + "syspll_d5", + "syspll1_d4", + "univpll_d5", + "univpll1_d2", + "dmpll_ck", + "dmpll_d2" +}; + +static const char * const hdmirx_parents[] = { + "clk26m", + "univpll_d52" +}; + +static const char * const cmsys_parents[] = { + "clk26m", + "syspll1_d2", + "univpll1_d2", + "univpll_d5", + "syspll_d5", + "syspll2_d2", + "syspll1_d4", + "syspll3_d2", + "syspll2_d4", + "syspll1_d8", + "clk26m", + "clk26m", + "clk26m", + "clk26m", + "clk26m" +}; + +static const char * const clk_8bdac_parents[] = { + "32k_internal", + "8bdac_ck", + "clk26m", + "clk26m" +}; + +static const char * const aud2dvd_parents[] = { + "a1sys_hp_ck", + "a2sys_hp_ck" +}; + +static const char * const padmclk_parents[] = { + "clk26m", + "univpll_d26", + "univpll_d52", + "univpll_d108", + "univpll2_d8", + "univpll2_d16", + "univpll2_d32" +}; + +static const char * const aud_mux_parents[] = { + "clk26m", + "aud1pll_98m_ck", + "aud2pll_90m_ck", + "hadds2pll_98m", + "audio_ext1_ck", + "audio_ext2_ck" +}; + +static const char * const aud_src_parents[] = { + "aud_mux1_sel", + "aud_mux2_sel" +}; + +static const char * const cpu_parents[] = { + "clk26m", + "armpll", + "mainpll", + "mmpll" +}; + +static const struct mtk_composite cpu_muxes[] __initconst = { + MUX(CLK_INFRA_CPUSEL, "infra_cpu_sel", cpu_parents, 0x0000, 2, 2), +}; + +static const struct mtk_composite top_muxes[] = { + MUX_GATE_FLAGS(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, + 0x0040, 0, 3, 7, CLK_IS_CRITICAL), + MUX_GATE_FLAGS(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, + 0x0040, 8, 1, 15, CLK_IS_CRITICAL), + MUX_GATE_FLAGS(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", + ddrphycfg_parents, 0x0040, 16, 1, 23, CLK_IS_CRITICAL), + MUX_GATE(CLK_TOP_MM_SEL, "mm_sel", mm_parents, + 0x0040, 24, 3, 31), + + MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents, + 0x0050, 0, 2, 7), + MUX_GATE(CLK_TOP_VDEC_SEL, "vdec_sel", vdec_parents, + 0x0050, 8, 4, 15), + MUX_GATE(CLK_TOP_MFG_SEL, "mfg_sel", mfg_parents, + 0x0050, 16, 3, 23), + MUX_GATE(CLK_TOP_CAMTG_SEL, "camtg_sel", camtg_parents, + 0x0050, 24, 3, 31), + MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents, + 0x0060, 0, 1, 7), + + MUX_GATE(CLK_TOP_SPI0_SEL, "spi0_sel", spi_parents, + 0x0060, 8, 3, 15), + MUX_GATE(CLK_TOP_USB20_SEL, "usb20_sel", usb20_parents, + 0x0060, 16, 2, 23), + MUX_GATE(CLK_TOP_MSDC30_0_SEL, "msdc30_0_sel", msdc30_parents, + 0x0060, 24, 3, 31), + + MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_parents, + 0x0070, 0, 3, 7), + MUX_GATE(CLK_TOP_MSDC30_2_SEL, "msdc30_2_sel", msdc30_parents, + 0x0070, 8, 3, 15), + MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", msdc30_parents, + 0x0070, 16, 1, 23), + MUX_GATE(CLK_TOP_AUDINTBUS_SEL, "aud_intbus_sel", aud_intbus_parents, + 0x0070, 24, 3, 31), + + MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents, + 0x0080, 0, 4, 7), + MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", scp_parents, + 0x0080, 8, 2, 15), + MUX_GATE(CLK_TOP_DPI0_SEL, "dpi0_sel", dpi0_parents, + 0x0080, 16, 3, 23), + MUX_GATE(CLK_TOP_DPI1_SEL, "dpi1_sel", dpi1_parents, + 0x0080, 24, 2, 31), + + MUX_GATE(CLK_TOP_TVE_SEL, "tve_sel", tve_parents, + 0x0090, 0, 3, 7), + MUX_GATE(CLK_TOP_HDMI_SEL, "hdmi_sel", hdmi_parents, + 0x0090, 8, 2, 15), + MUX_GATE(CLK_TOP_APLL_SEL, "apll_sel", apll_parents, + 0x0090, 16, 3, 23), + + MUX_GATE_FLAGS(CLK_TOP_RTC_SEL, "rtc_sel", rtc_parents, + 0x00A0, 0, 2, 7, CLK_IS_CRITICAL), + MUX_GATE(CLK_TOP_NFI2X_SEL, "nfi2x_sel", nfi2x_parents, + 0x00A0, 8, 3, 15), + MUX_GATE(CLK_TOP_EMMC_HCLK_SEL, "emmc_hclk_sel", emmc_hclk_parents, + 0x00A0, 24, 2, 31), + + MUX_GATE(CLK_TOP_FLASH_SEL, "flash_sel", flash_parents, + 0x00B0, 0, 3, 7), + MUX_GATE(CLK_TOP_DI_SEL, "di_sel", di_parents, + 0x00B0, 8, 2, 15), + MUX_GATE(CLK_TOP_NR_SEL, "nr_sel", nr_osd_parents, + 0x00B0, 16, 3, 23), + MUX_GATE(CLK_TOP_OSD_SEL, "osd_sel", nr_osd_parents, + 0x00B0, 24, 3, 31), + + MUX_GATE(CLK_TOP_HDMIRX_BIST_SEL, "hdmirx_bist_sel", + hdmirx_bist_parents, 0x00C0, 0, 3, 7), + MUX_GATE(CLK_TOP_INTDIR_SEL, "intdir_sel", intdir_parents, + 0x00C0, 8, 2, 15), + MUX_GATE(CLK_TOP_ASM_I_SEL, "asm_i_sel", asm_parents, + 0x00C0, 16, 2, 23), + MUX_GATE(CLK_TOP_ASM_M_SEL, "asm_m_sel", asm_parents, + 0x00C0, 24, 3, 31), + + MUX_GATE(CLK_TOP_ASM_H_SEL, "asm_h_sel", asm_parents, + 0x00D0, 0, 2, 7), + MUX_GATE(CLK_TOP_MS_CARD_SEL, "ms_card_sel", ms_card_parents, + 0x00D0, 16, 2, 23), + MUX_GATE(CLK_TOP_ETHIF_SEL, "ethif_sel", ethif_parents, + 0x00D0, 24, 3, 31), + + MUX_GATE(CLK_TOP_HDMIRX26_24_SEL, "hdmirx26_24_sel", hdmirx_parents, + 0x00E0, 0, 1, 7), + MUX_GATE(CLK_TOP_MSDC30_3_SEL, "msdc30_3_sel", msdc30_parents, + 0x00E0, 8, 3, 15), + MUX_GATE(CLK_TOP_CMSYS_SEL, "cmsys_sel", cmsys_parents, + 0x00E0, 16, 4, 23), + + MUX_GATE(CLK_TOP_SPI1_SEL, "spi2_sel", spi_parents, + 0x00E0, 24, 3, 31), + MUX_GATE(CLK_TOP_SPI2_SEL, "spi1_sel", spi_parents, + 0x00F0, 0, 3, 7), + MUX_GATE(CLK_TOP_8BDAC_SEL, "8bdac_sel", clk_8bdac_parents, + 0x00F0, 8, 2, 15), + MUX_GATE(CLK_TOP_AUD2DVD_SEL, "aud2dvd_sel", aud2dvd_parents, + 0x00F0, 16, 1, 23), + + MUX(CLK_TOP_PADMCLK_SEL, "padmclk_sel", padmclk_parents, + 0x0100, 0, 3), + + MUX(CLK_TOP_AUD_MUX1_SEL, "aud_mux1_sel", aud_mux_parents, + 0x012c, 0, 3), + MUX(CLK_TOP_AUD_MUX2_SEL, "aud_mux2_sel", aud_mux_parents, + 0x012c, 3, 3), + MUX(CLK_TOP_AUDPLL_MUX_SEL, "audpll_sel", aud_mux_parents, + 0x012c, 6, 3), + MUX_GATE(CLK_TOP_AUD_K1_SRC_SEL, "aud_k1_src_sel", aud_src_parents, + 0x012c, 15, 1, 23), + MUX_GATE(CLK_TOP_AUD_K2_SRC_SEL, "aud_k2_src_sel", aud_src_parents, + 0x012c, 16, 1, 24), + MUX_GATE(CLK_TOP_AUD_K3_SRC_SEL, "aud_k3_src_sel", aud_src_parents, + 0x012c, 17, 1, 25), + MUX_GATE(CLK_TOP_AUD_K4_SRC_SEL, "aud_k4_src_sel", aud_src_parents, + 0x012c, 18, 1, 26), + MUX_GATE(CLK_TOP_AUD_K5_SRC_SEL, "aud_k5_src_sel", aud_src_parents, + 0x012c, 19, 1, 27), + MUX_GATE(CLK_TOP_AUD_K6_SRC_SEL, "aud_k6_src_sel", aud_src_parents, + 0x012c, 20, 1, 28), +}; + +static const struct mtk_clk_divider top_adj_divs[] = { + DIV_ADJ(CLK_TOP_AUD_EXTCK1_DIV, "audio_ext1_ck", "aud_ext1", + 0x0120, 0, 8), + DIV_ADJ(CLK_TOP_AUD_EXTCK2_DIV, "audio_ext2_ck", "aud_ext2", + 0x0120, 8, 8), + DIV_ADJ(CLK_TOP_AUD_MUX1_DIV, "aud_mux1_div", "aud_mux1_sel", + 0x0120, 16, 8), + DIV_ADJ(CLK_TOP_AUD_MUX2_DIV, "aud_mux2_div", "aud_mux2_sel", + 0x0120, 24, 8), + DIV_ADJ(CLK_TOP_AUD_K1_SRC_DIV, "aud_k1_src_div", "aud_k1_src_sel", + 0x0124, 0, 8), + DIV_ADJ(CLK_TOP_AUD_K2_SRC_DIV, "aud_k2_src_div", "aud_k2_src_sel", + 0x0124, 8, 8), + DIV_ADJ(CLK_TOP_AUD_K3_SRC_DIV, "aud_k3_src_div", "aud_k3_src_sel", + 0x0124, 16, 8), + DIV_ADJ(CLK_TOP_AUD_K4_SRC_DIV, "aud_k4_src_div", "aud_k4_src_sel", + 0x0124, 24, 8), + DIV_ADJ(CLK_TOP_AUD_K5_SRC_DIV, "aud_k5_src_div", "aud_k5_src_sel", + 0x0128, 0, 8), + DIV_ADJ(CLK_TOP_AUD_K6_SRC_DIV, "aud_k6_src_div", "aud_k6_src_sel", + 0x0128, 8, 8), +}; + +static const struct mtk_gate_regs top_aud_cg_regs = { + .sta_ofs = 0x012C, +}; + +#define GATE_TOP_AUD(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &top_aud_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_no_setclr, \ + } + +static const struct mtk_gate top_clks[] = { + GATE_TOP_AUD(CLK_TOP_AUD_48K_TIMING, "a1sys_hp_ck", "aud_mux1_div", + 21), + GATE_TOP_AUD(CLK_TOP_AUD_44K_TIMING, "a2sys_hp_ck", "aud_mux2_div", + 22), + GATE_TOP_AUD(CLK_TOP_AUD_I2S1_MCLK, "aud_i2s1_mclk", "aud_k1_src_div", + 23), + GATE_TOP_AUD(CLK_TOP_AUD_I2S2_MCLK, "aud_i2s2_mclk", "aud_k2_src_div", + 24), + GATE_TOP_AUD(CLK_TOP_AUD_I2S3_MCLK, "aud_i2s3_mclk", "aud_k3_src_div", + 25), + GATE_TOP_AUD(CLK_TOP_AUD_I2S4_MCLK, "aud_i2s4_mclk", "aud_k4_src_div", + 26), + GATE_TOP_AUD(CLK_TOP_AUD_I2S5_MCLK, "aud_i2s5_mclk", "aud_k5_src_div", + 27), + GATE_TOP_AUD(CLK_TOP_AUD_I2S6_MCLK, "aud_i2s6_mclk", "aud_k6_src_div", + 28), +}; + +static int mtk_topckgen_init(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + void __iomem *base; + struct device_node *node = pdev->dev.of_node; + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + clk_data = mtk_alloc_clk_data(CLK_TOP_NR); + + mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks), + clk_data); + + mtk_clk_register_factors(top_fixed_divs, ARRAY_SIZE(top_fixed_divs), + clk_data); + + mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes), + base, &mt2701_clk_lock, clk_data); + + mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs), + base, &mt2701_clk_lock, clk_data); + + mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks), + clk_data); + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} + +static const struct mtk_gate_regs infra_cg_regs = { + .set_ofs = 0x0040, + .clr_ofs = 0x0044, + .sta_ofs = 0x0048, +}; + +#define GATE_ICG(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &infra_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +static const struct mtk_gate infra_clks[] = { + GATE_ICG(CLK_INFRA_DBG, "dbgclk", "axi_sel", 0), + GATE_ICG(CLK_INFRA_SMI, "smi_ck", "mm_sel", 1), + GATE_ICG(CLK_INFRA_QAXI_CM4, "cm4_ck", "axi_sel", 2), + GATE_ICG(CLK_INFRA_AUD_SPLIN_B, "audio_splin_bck", "hadds2pll_294m", 4), + GATE_ICG(CLK_INFRA_AUDIO, "audio_ck", "clk26m", 5), + GATE_ICG(CLK_INFRA_EFUSE, "efuse_ck", "clk26m", 6), + GATE_ICG(CLK_INFRA_L2C_SRAM, "l2c_sram_ck", "mm_sel", 7), + GATE_ICG(CLK_INFRA_M4U, "m4u_ck", "mem_sel", 8), + GATE_ICG(CLK_INFRA_CONNMCU, "connsys_bus", "wbg_dig_ck_416m", 12), + GATE_ICG(CLK_INFRA_TRNG, "trng_ck", "axi_sel", 13), + GATE_ICG(CLK_INFRA_RAMBUFIF, "rambufif_ck", "mem_sel", 14), + GATE_ICG(CLK_INFRA_CPUM, "cpum_ck", "mem_sel", 15), + GATE_ICG(CLK_INFRA_KP, "kp_ck", "axi_sel", 16), + GATE_ICG(CLK_INFRA_CEC, "cec_ck", "rtc_sel", 18), + GATE_ICG(CLK_INFRA_IRRX, "irrx_ck", "axi_sel", 19), + GATE_ICG(CLK_INFRA_PMICSPI, "pmicspi_ck", "pmicspi_sel", 22), + GATE_ICG(CLK_INFRA_PMICWRAP, "pmicwrap_ck", "axi_sel", 23), + GATE_ICG(CLK_INFRA_DDCCI, "ddcci_ck", "axi_sel", 24), +}; + +static const struct mtk_fixed_factor infra_fixed_divs[] = { + FACTOR(CLK_INFRA_CLK_13M, "clk13m", "clk26m", 1, 2), +}; + +static struct clk_onecell_data *infra_clk_data; + +static void __init mtk_infrasys_init_early(struct device_node *node) +{ + int r, i; + + if (!infra_clk_data) { + infra_clk_data = mtk_alloc_clk_data(CLK_INFRA_NR); + + for (i = 0; i < CLK_INFRA_NR; i++) + infra_clk_data->clks[i] = ERR_PTR(-EPROBE_DEFER); + } + + mtk_clk_register_factors(infra_fixed_divs, ARRAY_SIZE(infra_fixed_divs), + infra_clk_data); + + mtk_clk_register_cpumuxes(node, cpu_muxes, ARRAY_SIZE(cpu_muxes), + infra_clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, infra_clk_data); + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); +} +CLK_OF_DECLARE_DRIVER(mtk_infra, "mediatek,mt2701-infracfg", + mtk_infrasys_init_early); + +static int mtk_infrasys_init(struct platform_device *pdev) +{ + int r, i; + struct device_node *node = pdev->dev.of_node; + + if (!infra_clk_data) { + infra_clk_data = mtk_alloc_clk_data(CLK_INFRA_NR); + } else { + for (i = 0; i < CLK_INFRA_NR; i++) { + if (infra_clk_data->clks[i] == ERR_PTR(-EPROBE_DEFER)) + infra_clk_data->clks[i] = ERR_PTR(-ENOENT); + } + } + + mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks), + infra_clk_data); + mtk_clk_register_factors(infra_fixed_divs, ARRAY_SIZE(infra_fixed_divs), + infra_clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, infra_clk_data); + if (r) + return r; + + mtk_register_reset_controller(node, 2, 0x30); + + return 0; +} + +static const struct mtk_gate_regs peri0_cg_regs = { + .set_ofs = 0x0008, + .clr_ofs = 0x0010, + .sta_ofs = 0x0018, +}; + +static const struct mtk_gate_regs peri1_cg_regs = { + .set_ofs = 0x000c, + .clr_ofs = 0x0014, + .sta_ofs = 0x001c, +}; + +#define GATE_PERI0(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &peri0_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +#define GATE_PERI1(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &peri1_cg_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_ops_setclr, \ + } + +static const struct mtk_gate peri_clks[] = { + GATE_PERI0(CLK_PERI_USB0_MCU, "usb0_mcu_ck", "axi_sel", 31), + GATE_PERI0(CLK_PERI_ETH, "eth_ck", "clk26m", 30), + GATE_PERI0(CLK_PERI_SPI0, "spi0_ck", "spi0_sel", 29), + GATE_PERI0(CLK_PERI_AUXADC, "auxadc_ck", "clk26m", 28), + GATE_PERI0(CLK_PERI_I2C3, "i2c3_ck", "clk26m", 27), + GATE_PERI0(CLK_PERI_I2C2, "i2c2_ck", "axi_sel", 26), + GATE_PERI0(CLK_PERI_I2C1, "i2c1_ck", "axi_sel", 25), + GATE_PERI0(CLK_PERI_I2C0, "i2c0_ck", "axi_sel", 24), + GATE_PERI0(CLK_PERI_BTIF, "bitif_ck", "axi_sel", 23), + GATE_PERI0(CLK_PERI_UART3, "uart3_ck", "axi_sel", 22), + GATE_PERI0(CLK_PERI_UART2, "uart2_ck", "axi_sel", 21), + GATE_PERI0(CLK_PERI_UART1, "uart1_ck", "axi_sel", 20), + GATE_PERI0(CLK_PERI_UART0, "uart0_ck", "axi_sel", 19), + GATE_PERI0(CLK_PERI_NLI, "nli_ck", "axi_sel", 18), + GATE_PERI0(CLK_PERI_MSDC50_3, "msdc50_3_ck", "emmc_hclk_sel", 17), + GATE_PERI0(CLK_PERI_MSDC30_3, "msdc30_3_ck", "msdc30_3_sel", 16), + GATE_PERI0(CLK_PERI_MSDC30_2, "msdc30_2_ck", "msdc30_2_sel", 15), + GATE_PERI0(CLK_PERI_MSDC30_1, "msdc30_1_ck", "msdc30_1_sel", 14), + GATE_PERI0(CLK_PERI_MSDC30_0, "msdc30_0_ck", "msdc30_0_sel", 13), + GATE_PERI0(CLK_PERI_AP_DMA, "ap_dma_ck", "axi_sel", 12), + GATE_PERI0(CLK_PERI_USB1, "usb1_ck", "usb20_sel", 11), + GATE_PERI0(CLK_PERI_USB0, "usb0_ck", "usb20_sel", 10), + GATE_PERI0(CLK_PERI_PWM, "pwm_ck", "axi_sel", 9), + GATE_PERI0(CLK_PERI_PWM7, "pwm7_ck", "axisel_d4", 8), + GATE_PERI0(CLK_PERI_PWM6, "pwm6_ck", "axisel_d4", 7), + GATE_PERI0(CLK_PERI_PWM5, "pwm5_ck", "axisel_d4", 6), + GATE_PERI0(CLK_PERI_PWM4, "pwm4_ck", "axisel_d4", 5), + GATE_PERI0(CLK_PERI_PWM3, "pwm3_ck", "axisel_d4", 4), + GATE_PERI0(CLK_PERI_PWM2, "pwm2_ck", "axisel_d4", 3), + GATE_PERI0(CLK_PERI_PWM1, "pwm1_ck", "axisel_d4", 2), + GATE_PERI0(CLK_PERI_THERM, "therm_ck", "axi_sel", 1), + GATE_PERI0(CLK_PERI_NFI, "nfi_ck", "nfi2x_sel", 0), + + GATE_PERI1(CLK_PERI_FCI, "fci_ck", "ms_card_sel", 11), + GATE_PERI1(CLK_PERI_SPI2, "spi2_ck", "spi2_sel", 10), + GATE_PERI1(CLK_PERI_SPI1, "spi1_ck", "spi1_sel", 9), + GATE_PERI1(CLK_PERI_HOST89_DVD, "host89_dvd_ck", "aud2dvd_sel", 8), + GATE_PERI1(CLK_PERI_HOST89_SPI, "host89_spi_ck", "spi0_sel", 7), + GATE_PERI1(CLK_PERI_HOST89_INT, "host89_int_ck", "axi_sel", 6), + GATE_PERI1(CLK_PERI_FLASH, "flash_ck", "nfi2x_sel", 5), + GATE_PERI1(CLK_PERI_NFI_PAD, "nfi_pad_ck", "nfi1x_pad", 4), + GATE_PERI1(CLK_PERI_NFI_ECC, "nfi_ecc_ck", "nfi1x_pad", 3), + GATE_PERI1(CLK_PERI_GCPU, "gcpu_ck", "axi_sel", 2), + GATE_PERI1(CLK_PERI_USB_SLV, "usbslv_ck", "axi_sel", 1), + GATE_PERI1(CLK_PERI_USB1_MCU, "usb1_mcu_ck", "axi_sel", 0), +}; + +static const char * const uart_ck_sel_parents[] = { + "clk26m", + "uart_sel", +}; + +static const struct mtk_composite peri_muxs[] = { + MUX(CLK_PERI_UART0_SEL, "uart0_ck_sel", uart_ck_sel_parents, + 0x40c, 0, 1), + MUX(CLK_PERI_UART1_SEL, "uart1_ck_sel", uart_ck_sel_parents, + 0x40c, 1, 1), + MUX(CLK_PERI_UART2_SEL, "uart2_ck_sel", uart_ck_sel_parents, + 0x40c, 2, 1), + MUX(CLK_PERI_UART3_SEL, "uart3_ck_sel", uart_ck_sel_parents, + 0x40c, 3, 1), +}; + +static int mtk_pericfg_init(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + void __iomem *base; + int r; + struct device_node *node = pdev->dev.of_node; + struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + clk_data = mtk_alloc_clk_data(CLK_PERI_NR); + + mtk_clk_register_gates(node, peri_clks, ARRAY_SIZE(peri_clks), + clk_data); + + mtk_clk_register_composites(peri_muxs, ARRAY_SIZE(peri_muxs), base, + &mt2701_clk_lock, clk_data); + + r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); + if (r) + return r; + + mtk_register_reset_controller(node, 2, 0x0); + + return 0; +} + +#define MT8590_PLL_FMAX (2000 * MHZ) +#define CON0_MT8590_RST_BAR BIT(27) + +#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, _pd_reg, \ + _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift) { \ + .id = _id, \ + .name = _name, \ + .reg = _reg, \ + .pwr_reg = _pwr_reg, \ + .en_mask = _en_mask, \ + .flags = _flags, \ + .rst_bar_mask = CON0_MT8590_RST_BAR, \ + .fmax = MT8590_PLL_FMAX, \ + .pcwbits = _pcwbits, \ + .pd_reg = _pd_reg, \ + .pd_shift = _pd_shift, \ + .tuner_reg = _tuner_reg, \ + .pcw_reg = _pcw_reg, \ + .pcw_shift = _pcw_shift, \ + } + +static const struct mtk_pll_data apmixed_plls[] = { + PLL(CLK_APMIXED_ARMPLL, "armpll", 0x200, 0x20c, 0x80000001, + PLL_AO, 21, 0x204, 24, 0x0, 0x204, 0), + PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x210, 0x21c, 0xf0000001, + HAVE_RST_BAR, 21, 0x210, 4, 0x0, 0x214, 0), + PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x220, 0x22c, 0xf3000001, + HAVE_RST_BAR, 7, 0x220, 4, 0x0, 0x224, 14), + PLL(CLK_APMIXED_MMPLL, "mmpll", 0x230, 0x23c, 0x00000001, 0, + 21, 0x230, 4, 0x0, 0x234, 0), + PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x240, 0x24c, 0x00000001, 0, + 21, 0x240, 4, 0x0, 0x244, 0), + PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x250, 0x25c, 0x00000001, 0, + 21, 0x250, 4, 0x0, 0x254, 0), + PLL(CLK_APMIXED_AUD1PLL, "aud1pll", 0x270, 0x27c, 0x00000001, 0, + 31, 0x270, 4, 0x0, 0x274, 0), + PLL(CLK_APMIXED_TRGPLL, "trgpll", 0x280, 0x28c, 0x00000001, 0, + 31, 0x280, 4, 0x0, 0x284, 0), + PLL(CLK_APMIXED_ETHPLL, "ethpll", 0x290, 0x29c, 0x00000001, 0, + 31, 0x290, 4, 0x0, 0x294, 0), + PLL(CLK_APMIXED_VDECPLL, "vdecpll", 0x2a0, 0x2ac, 0x00000001, 0, + 31, 0x2a0, 4, 0x0, 0x2a4, 0), + PLL(CLK_APMIXED_HADDS2PLL, "hadds2pll", 0x2b0, 0x2bc, 0x00000001, 0, + 31, 0x2b0, 4, 0x0, 0x2b4, 0), + PLL(CLK_APMIXED_AUD2PLL, "aud2pll", 0x2c0, 0x2cc, 0x00000001, 0, + 31, 0x2c0, 4, 0x0, 0x2c4, 0), + PLL(CLK_APMIXED_TVD2PLL, "tvd2pll", 0x2d0, 0x2dc, 0x00000001, 0, + 21, 0x2d0, 4, 0x0, 0x2d4, 0), +}; + +static const struct mtk_fixed_factor apmixed_fixed_divs[] = { + FACTOR(CLK_APMIXED_HDMI_REF, "hdmi_ref", "tvdpll", 1, 1), +}; + +static int mtk_apmixedsys_init(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + + clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR); + if (!clk_data) + return -ENOMEM; + + mtk_clk_register_plls(node, apmixed_plls, ARRAY_SIZE(apmixed_plls), + clk_data); + mtk_clk_register_factors(apmixed_fixed_divs, ARRAY_SIZE(apmixed_fixed_divs), + clk_data); + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} + +static const struct of_device_id of_match_clk_mt2701[] = { + { + .compatible = "mediatek,mt2701-topckgen", + .data = mtk_topckgen_init, + }, { + .compatible = "mediatek,mt2701-infracfg", + .data = mtk_infrasys_init, + }, { + .compatible = "mediatek,mt2701-pericfg", + .data = mtk_pericfg_init, + }, { + .compatible = "mediatek,mt2701-apmixedsys", + .data = mtk_apmixedsys_init, + }, { + /* sentinel */ + } +}; + +static int clk_mt2701_probe(struct platform_device *pdev) +{ + int (*clk_init)(struct platform_device *); + int r; + + clk_init = of_device_get_match_data(&pdev->dev); + if (!clk_init) + return -EINVAL; + + r = clk_init(pdev); + if (r) + dev_err(&pdev->dev, + "could not register clock provider: %s: %d\n", + pdev->name, r); + + return r; +} + +static struct platform_driver clk_mt2701_drv = { + .probe = clk_mt2701_probe, + .driver = { + .name = "clk-mt2701", + .of_match_table = of_match_clk_mt2701, + }, +}; + +static int __init clk_mt2701_init(void) +{ + return platform_driver_register(&clk_mt2701_drv); +} + +arch_initcall(clk_mt2701_init); |