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linux/drivers/clk/starfive/clk-starfive-jh7100.c
Emil Renner Berthing 4287cd628f clk: starfive: jh7100: Add CLK_SET_RATE_PARENT to gmac_tx 
This is needed by the dwmac-starfive ethernet driver to set the clock
for 1000, 100 and 10 Mbps links properly.

Signed-off-by: Emil Renner Berthing <emil.renner.berthing@canonical.com>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20231219232442.2460166-3-cristian.ciocaltea@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2024-01-03 15:51:58 -08:00

370 lines
19 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0
/*
* StarFive JH7100 Clock Generator Driver
*
* Copyright 2021 Ahmad Fatoum, Pengutronix
* Copyright (C) 2021 Glider bv
* Copyright (C) 2021 Emil Renner Berthing <kernel@esmil.dk>
*/
#include <linux/clk-provider.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/mod_devicetable.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/starfive-jh7100.h>
#include "clk-starfive-jh71x0.h"
/* external clocks */
#define JH7100_CLK_OSC_SYS (JH7100_CLK_END + 0)
#define JH7100_CLK_OSC_AUD (JH7100_CLK_END + 1)
#define JH7100_CLK_GMAC_RMII_REF (JH7100_CLK_END + 2)
#define JH7100_CLK_GMAC_GR_MII_RX (JH7100_CLK_END + 3)
static const struct jh71x0_clk_data jh7100_clk_data[] __initconst = {
JH71X0__MUX(JH7100_CLK_CPUNDBUS_ROOT, "cpundbus_root", 0, 4,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL0_OUT,
JH7100_CLK_PLL1_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0__MUX(JH7100_CLK_DLA_ROOT, "dla_root", 0, 3,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL1_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0__MUX(JH7100_CLK_DSP_ROOT, "dsp_root", 0, 4,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL0_OUT,
JH7100_CLK_PLL1_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0__MUX(JH7100_CLK_GMACUSB_ROOT, "gmacusb_root", 0, 3,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL0_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0__MUX(JH7100_CLK_PERH0_ROOT, "perh0_root", 0, 2,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL0_OUT),
JH71X0__MUX(JH7100_CLK_PERH1_ROOT, "perh1_root", 0, 2,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL2_OUT),
JH71X0__MUX(JH7100_CLK_VIN_ROOT, "vin_root", 0, 3,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL1_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0__MUX(JH7100_CLK_VOUT_ROOT, "vout_root", 0, 3,
JH7100_CLK_OSC_AUD,
JH7100_CLK_PLL0_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0_GDIV(JH7100_CLK_AUDIO_ROOT, "audio_root", 0, 8, JH7100_CLK_PLL0_OUT),
JH71X0__MUX(JH7100_CLK_CDECHIFI4_ROOT, "cdechifi4_root", 0, 3,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL1_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0__MUX(JH7100_CLK_CDEC_ROOT, "cdec_root", 0, 3,
JH7100_CLK_OSC_SYS,
JH7100_CLK_PLL0_OUT,
JH7100_CLK_PLL1_OUT),
JH71X0__MUX(JH7100_CLK_VOUTBUS_ROOT, "voutbus_root", 0, 3,
JH7100_CLK_OSC_AUD,
JH7100_CLK_PLL0_OUT,
JH7100_CLK_PLL2_OUT),
JH71X0__DIV(JH7100_CLK_CPUNBUS_ROOT_DIV, "cpunbus_root_div", 2, JH7100_CLK_CPUNDBUS_ROOT),
JH71X0__DIV(JH7100_CLK_DSP_ROOT_DIV, "dsp_root_div", 4, JH7100_CLK_DSP_ROOT),
JH71X0__DIV(JH7100_CLK_PERH0_SRC, "perh0_src", 4, JH7100_CLK_PERH0_ROOT),
JH71X0__DIV(JH7100_CLK_PERH1_SRC, "perh1_src", 4, JH7100_CLK_PERH1_ROOT),
JH71X0_GDIV(JH7100_CLK_PLL0_TESTOUT, "pll0_testout", 0, 31, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_PLL1_TESTOUT, "pll1_testout", 0, 31, JH7100_CLK_DLA_ROOT),
JH71X0_GDIV(JH7100_CLK_PLL2_TESTOUT, "pll2_testout", 0, 31, JH7100_CLK_PERH1_SRC),
JH71X0__MUX(JH7100_CLK_PLL2_REF, "pll2_refclk", 0, 2,
JH7100_CLK_OSC_SYS,
JH7100_CLK_OSC_AUD),
JH71X0__DIV(JH7100_CLK_CPU_CORE, "cpu_core", 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0__DIV(JH7100_CLK_CPU_AXI, "cpu_axi", 8, JH7100_CLK_CPU_CORE),
JH71X0__DIV(JH7100_CLK_AHB_BUS, "ahb_bus", 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0__DIV(JH7100_CLK_APB1_BUS, "apb1_bus", 8, JH7100_CLK_AHB_BUS),
JH71X0__DIV(JH7100_CLK_APB2_BUS, "apb2_bus", 8, JH7100_CLK_AHB_BUS),
JH71X0_GATE(JH7100_CLK_DOM3AHB_BUS, "dom3ahb_bus", CLK_IS_CRITICAL, JH7100_CLK_AHB_BUS),
JH71X0_GATE(JH7100_CLK_DOM7AHB_BUS, "dom7ahb_bus", CLK_IS_CRITICAL, JH7100_CLK_AHB_BUS),
JH71X0_GATE(JH7100_CLK_U74_CORE0, "u74_core0", CLK_IS_CRITICAL, JH7100_CLK_CPU_CORE),
JH71X0_GDIV(JH7100_CLK_U74_CORE1, "u74_core1", CLK_IS_CRITICAL, 8, JH7100_CLK_CPU_CORE),
JH71X0_GATE(JH7100_CLK_U74_AXI, "u74_axi", CLK_IS_CRITICAL, JH7100_CLK_CPU_AXI),
JH71X0_GATE(JH7100_CLK_U74RTC_TOGGLE, "u74rtc_toggle", CLK_IS_CRITICAL, JH7100_CLK_OSC_SYS),
JH71X0_GATE(JH7100_CLK_SGDMA2P_AXI, "sgdma2p_axi", 0, JH7100_CLK_CPU_AXI),
JH71X0_GATE(JH7100_CLK_DMA2PNOC_AXI, "dma2pnoc_axi", 0, JH7100_CLK_CPU_AXI),
JH71X0_GATE(JH7100_CLK_SGDMA2P_AHB, "sgdma2p_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0__DIV(JH7100_CLK_DLA_BUS, "dla_bus", 4, JH7100_CLK_DLA_ROOT),
JH71X0_GATE(JH7100_CLK_DLA_AXI, "dla_axi", 0, JH7100_CLK_DLA_BUS),
JH71X0_GATE(JH7100_CLK_DLANOC_AXI, "dlanoc_axi", 0, JH7100_CLK_DLA_BUS),
JH71X0_GATE(JH7100_CLK_DLA_APB, "dla_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_VP6_CORE, "vp6_core", 0, 4, JH7100_CLK_DSP_ROOT_DIV),
JH71X0__DIV(JH7100_CLK_VP6BUS_SRC, "vp6bus_src", 4, JH7100_CLK_DSP_ROOT),
JH71X0_GDIV(JH7100_CLK_VP6_AXI, "vp6_axi", 0, 4, JH7100_CLK_VP6BUS_SRC),
JH71X0__DIV(JH7100_CLK_VCDECBUS_SRC, "vcdecbus_src", 4, JH7100_CLK_CDECHIFI4_ROOT),
JH71X0__DIV(JH7100_CLK_VDEC_BUS, "vdec_bus", 8, JH7100_CLK_VCDECBUS_SRC),
JH71X0_GATE(JH7100_CLK_VDEC_AXI, "vdec_axi", 0, JH7100_CLK_VDEC_BUS),
JH71X0_GATE(JH7100_CLK_VDECBRG_MAIN, "vdecbrg_mainclk", 0, JH7100_CLK_VDEC_BUS),
JH71X0_GDIV(JH7100_CLK_VDEC_BCLK, "vdec_bclk", 0, 8, JH7100_CLK_VCDECBUS_SRC),
JH71X0_GDIV(JH7100_CLK_VDEC_CCLK, "vdec_cclk", 0, 8, JH7100_CLK_CDEC_ROOT),
JH71X0_GATE(JH7100_CLK_VDEC_APB, "vdec_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_JPEG_AXI, "jpeg_axi", 0, 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0_GDIV(JH7100_CLK_JPEG_CCLK, "jpeg_cclk", 0, 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0_GATE(JH7100_CLK_JPEG_APB, "jpeg_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_GC300_2X, "gc300_2x", 0, 8, JH7100_CLK_CDECHIFI4_ROOT),
JH71X0_GATE(JH7100_CLK_GC300_AHB, "gc300_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0__DIV(JH7100_CLK_JPCGC300_AXIBUS, "jpcgc300_axibus", 8, JH7100_CLK_VCDECBUS_SRC),
JH71X0_GATE(JH7100_CLK_GC300_AXI, "gc300_axi", 0, JH7100_CLK_JPCGC300_AXIBUS),
JH71X0_GATE(JH7100_CLK_JPCGC300_MAIN, "jpcgc300_mainclk", 0, JH7100_CLK_JPCGC300_AXIBUS),
JH71X0__DIV(JH7100_CLK_VENC_BUS, "venc_bus", 8, JH7100_CLK_VCDECBUS_SRC),
JH71X0_GATE(JH7100_CLK_VENC_AXI, "venc_axi", 0, JH7100_CLK_VENC_BUS),
JH71X0_GATE(JH7100_CLK_VENCBRG_MAIN, "vencbrg_mainclk", 0, JH7100_CLK_VENC_BUS),
JH71X0_GDIV(JH7100_CLK_VENC_BCLK, "venc_bclk", 0, 8, JH7100_CLK_VCDECBUS_SRC),
JH71X0_GDIV(JH7100_CLK_VENC_CCLK, "venc_cclk", 0, 8, JH7100_CLK_CDEC_ROOT),
JH71X0_GATE(JH7100_CLK_VENC_APB, "venc_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_DDRPLL_DIV2, "ddrpll_div2", CLK_IS_CRITICAL, 2, JH7100_CLK_PLL1_OUT),
JH71X0_GDIV(JH7100_CLK_DDRPLL_DIV4, "ddrpll_div4", CLK_IS_CRITICAL, 2,
JH7100_CLK_DDRPLL_DIV2),
JH71X0_GDIV(JH7100_CLK_DDRPLL_DIV8, "ddrpll_div8", CLK_IS_CRITICAL, 2,
JH7100_CLK_DDRPLL_DIV4),
JH71X0_GDIV(JH7100_CLK_DDROSC_DIV2, "ddrosc_div2", CLK_IS_CRITICAL, 2, JH7100_CLK_OSC_SYS),
JH71X0_GMUX(JH7100_CLK_DDRC0, "ddrc0", CLK_IS_CRITICAL, 4,
JH7100_CLK_DDROSC_DIV2,
JH7100_CLK_DDRPLL_DIV2,
JH7100_CLK_DDRPLL_DIV4,
JH7100_CLK_DDRPLL_DIV8),
JH71X0_GMUX(JH7100_CLK_DDRC1, "ddrc1", CLK_IS_CRITICAL, 4,
JH7100_CLK_DDROSC_DIV2,
JH7100_CLK_DDRPLL_DIV2,
JH7100_CLK_DDRPLL_DIV4,
JH7100_CLK_DDRPLL_DIV8),
JH71X0_GATE(JH7100_CLK_DDRPHY_APB, "ddrphy_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0__DIV(JH7100_CLK_NOC_ROB, "noc_rob", 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0__DIV(JH7100_CLK_NOC_COG, "noc_cog", 8, JH7100_CLK_DLA_ROOT),
JH71X0_GATE(JH7100_CLK_NNE_AHB, "nne_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0__DIV(JH7100_CLK_NNEBUS_SRC1, "nnebus_src1", 4, JH7100_CLK_DSP_ROOT),
JH71X0__MUX(JH7100_CLK_NNE_BUS, "nne_bus", 0, 2,
JH7100_CLK_CPU_AXI,
JH7100_CLK_NNEBUS_SRC1),
JH71X0_GATE(JH7100_CLK_NNE_AXI, "nne_axi", 0, JH7100_CLK_NNE_BUS),
JH71X0_GATE(JH7100_CLK_NNENOC_AXI, "nnenoc_axi", 0, JH7100_CLK_NNE_BUS),
JH71X0_GATE(JH7100_CLK_DLASLV_AXI, "dlaslv_axi", 0, JH7100_CLK_NNE_BUS),
JH71X0_GATE(JH7100_CLK_DSPX2C_AXI, "dspx2c_axi", CLK_IS_CRITICAL, JH7100_CLK_NNE_BUS),
JH71X0__DIV(JH7100_CLK_HIFI4_SRC, "hifi4_src", 4, JH7100_CLK_CDECHIFI4_ROOT),
JH71X0__DIV(JH7100_CLK_HIFI4_COREFREE, "hifi4_corefree", 8, JH7100_CLK_HIFI4_SRC),
JH71X0_GATE(JH7100_CLK_HIFI4_CORE, "hifi4_core", 0, JH7100_CLK_HIFI4_COREFREE),
JH71X0__DIV(JH7100_CLK_HIFI4_BUS, "hifi4_bus", 8, JH7100_CLK_HIFI4_COREFREE),
JH71X0_GATE(JH7100_CLK_HIFI4_AXI, "hifi4_axi", 0, JH7100_CLK_HIFI4_BUS),
JH71X0_GATE(JH7100_CLK_HIFI4NOC_AXI, "hifi4noc_axi", 0, JH7100_CLK_HIFI4_BUS),
JH71X0__DIV(JH7100_CLK_SGDMA1P_BUS, "sgdma1p_bus", 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0_GATE(JH7100_CLK_SGDMA1P_AXI, "sgdma1p_axi", 0, JH7100_CLK_SGDMA1P_BUS),
JH71X0_GATE(JH7100_CLK_DMA1P_AXI, "dma1p_axi", 0, JH7100_CLK_SGDMA1P_BUS),
JH71X0_GDIV(JH7100_CLK_X2C_AXI, "x2c_axi", CLK_IS_CRITICAL, 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0__DIV(JH7100_CLK_USB_BUS, "usb_bus", 8, JH7100_CLK_CPUNBUS_ROOT_DIV),
JH71X0_GATE(JH7100_CLK_USB_AXI, "usb_axi", 0, JH7100_CLK_USB_BUS),
JH71X0_GATE(JH7100_CLK_USBNOC_AXI, "usbnoc_axi", 0, JH7100_CLK_USB_BUS),
JH71X0__DIV(JH7100_CLK_USBPHY_ROOTDIV, "usbphy_rootdiv", 4, JH7100_CLK_GMACUSB_ROOT),
JH71X0_GDIV(JH7100_CLK_USBPHY_125M, "usbphy_125m", 0, 8, JH7100_CLK_USBPHY_ROOTDIV),
JH71X0_GDIV(JH7100_CLK_USBPHY_PLLDIV25M, "usbphy_plldiv25m", 0, 32,
JH7100_CLK_USBPHY_ROOTDIV),
JH71X0__MUX(JH7100_CLK_USBPHY_25M, "usbphy_25m", 0, 2,
JH7100_CLK_OSC_SYS,
JH7100_CLK_USBPHY_PLLDIV25M),
JH71X0_FDIV(JH7100_CLK_AUDIO_DIV, "audio_div", JH7100_CLK_AUDIO_ROOT),
JH71X0_GATE(JH7100_CLK_AUDIO_SRC, "audio_src", 0, JH7100_CLK_AUDIO_DIV),
JH71X0_GATE(JH7100_CLK_AUDIO_12288, "audio_12288", 0, JH7100_CLK_OSC_AUD),
JH71X0_GDIV(JH7100_CLK_VIN_SRC, "vin_src", 0, 4, JH7100_CLK_VIN_ROOT),
JH71X0__DIV(JH7100_CLK_ISP0_BUS, "isp0_bus", 8, JH7100_CLK_VIN_SRC),
JH71X0_GATE(JH7100_CLK_ISP0_AXI, "isp0_axi", 0, JH7100_CLK_ISP0_BUS),
JH71X0_GATE(JH7100_CLK_ISP0NOC_AXI, "isp0noc_axi", 0, JH7100_CLK_ISP0_BUS),
JH71X0_GATE(JH7100_CLK_ISPSLV_AXI, "ispslv_axi", 0, JH7100_CLK_ISP0_BUS),
JH71X0__DIV(JH7100_CLK_ISP1_BUS, "isp1_bus", 8, JH7100_CLK_VIN_SRC),
JH71X0_GATE(JH7100_CLK_ISP1_AXI, "isp1_axi", 0, JH7100_CLK_ISP1_BUS),
JH71X0_GATE(JH7100_CLK_ISP1NOC_AXI, "isp1noc_axi", 0, JH7100_CLK_ISP1_BUS),
JH71X0__DIV(JH7100_CLK_VIN_BUS, "vin_bus", 8, JH7100_CLK_VIN_SRC),
JH71X0_GATE(JH7100_CLK_VIN_AXI, "vin_axi", 0, JH7100_CLK_VIN_BUS),
JH71X0_GATE(JH7100_CLK_VINNOC_AXI, "vinnoc_axi", 0, JH7100_CLK_VIN_BUS),
JH71X0_GDIV(JH7100_CLK_VOUT_SRC, "vout_src", 0, 4, JH7100_CLK_VOUT_ROOT),
JH71X0__DIV(JH7100_CLK_DISPBUS_SRC, "dispbus_src", 4, JH7100_CLK_VOUTBUS_ROOT),
JH71X0__DIV(JH7100_CLK_DISP_BUS, "disp_bus", 4, JH7100_CLK_DISPBUS_SRC),
JH71X0_GATE(JH7100_CLK_DISP_AXI, "disp_axi", 0, JH7100_CLK_DISP_BUS),
JH71X0_GATE(JH7100_CLK_DISPNOC_AXI, "dispnoc_axi", 0, JH7100_CLK_DISP_BUS),
JH71X0_GATE(JH7100_CLK_SDIO0_AHB, "sdio0_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0_GDIV(JH7100_CLK_SDIO0_CCLKINT, "sdio0_cclkint", 0, 24, JH7100_CLK_PERH0_SRC),
JH71X0__INV(JH7100_CLK_SDIO0_CCLKINT_INV, "sdio0_cclkint_inv", JH7100_CLK_SDIO0_CCLKINT),
JH71X0_GATE(JH7100_CLK_SDIO1_AHB, "sdio1_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0_GDIV(JH7100_CLK_SDIO1_CCLKINT, "sdio1_cclkint", 0, 24, JH7100_CLK_PERH1_SRC),
JH71X0__INV(JH7100_CLK_SDIO1_CCLKINT_INV, "sdio1_cclkint_inv", JH7100_CLK_SDIO1_CCLKINT),
JH71X0_GATE(JH7100_CLK_GMAC_AHB, "gmac_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0__DIV(JH7100_CLK_GMAC_ROOT_DIV, "gmac_root_div", 8, JH7100_CLK_GMACUSB_ROOT),
JH71X0_GDIV(JH7100_CLK_GMAC_PTP_REF, "gmac_ptp_refclk", 0, 31, JH7100_CLK_GMAC_ROOT_DIV),
JH71X0_GDIV(JH7100_CLK_GMAC_GTX, "gmac_gtxclk", 0, 255, JH7100_CLK_GMAC_ROOT_DIV),
JH71X0_GDIV(JH7100_CLK_GMAC_RMII_TX, "gmac_rmii_txclk", 0, 8, JH7100_CLK_GMAC_RMII_REF),
JH71X0_GDIV(JH7100_CLK_GMAC_RMII_RX, "gmac_rmii_rxclk", 0, 8, JH7100_CLK_GMAC_RMII_REF),
JH71X0__MUX(JH7100_CLK_GMAC_TX, "gmac_tx", CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, 3,
JH7100_CLK_GMAC_GTX,
JH7100_CLK_GMAC_TX_INV,
JH7100_CLK_GMAC_RMII_TX),
JH71X0__INV(JH7100_CLK_GMAC_TX_INV, "gmac_tx_inv", JH7100_CLK_GMAC_TX),
JH71X0__MUX(JH7100_CLK_GMAC_RX_PRE, "gmac_rx_pre", 0, 2,
JH7100_CLK_GMAC_GR_MII_RX,
JH7100_CLK_GMAC_RMII_RX),
JH71X0__INV(JH7100_CLK_GMAC_RX_INV, "gmac_rx_inv", JH7100_CLK_GMAC_RX_PRE),
JH71X0_GATE(JH7100_CLK_GMAC_RMII, "gmac_rmii", 0, JH7100_CLK_GMAC_RMII_REF),
JH71X0_GDIV(JH7100_CLK_GMAC_TOPHYREF, "gmac_tophyref", 0, 127, JH7100_CLK_GMAC_ROOT_DIV),
JH71X0_GATE(JH7100_CLK_SPI2AHB_AHB, "spi2ahb_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0_GDIV(JH7100_CLK_SPI2AHB_CORE, "spi2ahb_core", 0, 31, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_EZMASTER_AHB, "ezmaster_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0_GATE(JH7100_CLK_E24_AHB, "e24_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0_GATE(JH7100_CLK_E24RTC_TOGGLE, "e24rtc_toggle", 0, JH7100_CLK_OSC_SYS),
JH71X0_GATE(JH7100_CLK_QSPI_AHB, "qspi_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0_GATE(JH7100_CLK_QSPI_APB, "qspi_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_QSPI_REF, "qspi_refclk", 0, 31, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_SEC_AHB, "sec_ahb", 0, JH7100_CLK_AHB_BUS),
JH71X0_GATE(JH7100_CLK_AES, "aes_clk", 0, JH7100_CLK_SEC_AHB),
JH71X0_GATE(JH7100_CLK_SHA, "sha_clk", 0, JH7100_CLK_SEC_AHB),
JH71X0_GATE(JH7100_CLK_PKA, "pka_clk", 0, JH7100_CLK_SEC_AHB),
JH71X0_GATE(JH7100_CLK_TRNG_APB, "trng_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GATE(JH7100_CLK_OTP_APB, "otp_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GATE(JH7100_CLK_UART0_APB, "uart0_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_UART0_CORE, "uart0_core", 0, 63, JH7100_CLK_PERH1_SRC),
JH71X0_GATE(JH7100_CLK_UART1_APB, "uart1_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_UART1_CORE, "uart1_core", 0, 63, JH7100_CLK_PERH1_SRC),
JH71X0_GATE(JH7100_CLK_SPI0_APB, "spi0_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_SPI0_CORE, "spi0_core", 0, 63, JH7100_CLK_PERH1_SRC),
JH71X0_GATE(JH7100_CLK_SPI1_APB, "spi1_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_SPI1_CORE, "spi1_core", 0, 63, JH7100_CLK_PERH1_SRC),
JH71X0_GATE(JH7100_CLK_I2C0_APB, "i2c0_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_I2C0_CORE, "i2c0_core", 0, 63, JH7100_CLK_PERH1_SRC),
JH71X0_GATE(JH7100_CLK_I2C1_APB, "i2c1_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GDIV(JH7100_CLK_I2C1_CORE, "i2c1_core", 0, 63, JH7100_CLK_PERH1_SRC),
JH71X0_GATE(JH7100_CLK_GPIO_APB, "gpio_apb", 0, JH7100_CLK_APB1_BUS),
JH71X0_GATE(JH7100_CLK_UART2_APB, "uart2_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_UART2_CORE, "uart2_core", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_UART3_APB, "uart3_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_UART3_CORE, "uart3_core", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_SPI2_APB, "spi2_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_SPI2_CORE, "spi2_core", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_SPI3_APB, "spi3_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_SPI3_CORE, "spi3_core", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_I2C2_APB, "i2c2_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_I2C2_CORE, "i2c2_core", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_I2C3_APB, "i2c3_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_I2C3_CORE, "i2c3_core", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_WDTIMER_APB, "wdtimer_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_WDT_CORE, "wdt_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_TIMER0_CORE, "timer0_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_TIMER1_CORE, "timer1_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_TIMER2_CORE, "timer2_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_TIMER3_CORE, "timer3_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_TIMER4_CORE, "timer4_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_TIMER5_CORE, "timer5_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GDIV(JH7100_CLK_TIMER6_CORE, "timer6_coreclk", 0, 63, JH7100_CLK_PERH0_SRC),
JH71X0_GATE(JH7100_CLK_VP6INTC_APB, "vp6intc_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GATE(JH7100_CLK_PWM_APB, "pwm_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GATE(JH7100_CLK_MSI_APB, "msi_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GATE(JH7100_CLK_TEMP_APB, "temp_apb", 0, JH7100_CLK_APB2_BUS),
JH71X0_GDIV(JH7100_CLK_TEMP_SENSE, "temp_sense", 0, 31, JH7100_CLK_OSC_SYS),
JH71X0_GATE(JH7100_CLK_SYSERR_APB, "syserr_apb", 0, JH7100_CLK_APB2_BUS),
};
static struct clk_hw *jh7100_clk_get(struct of_phandle_args *clkspec, void *data)
{
struct jh71x0_clk_priv *priv = data;
unsigned int idx = clkspec->args[0];
if (idx < JH7100_CLK_PLL0_OUT)
return &priv->reg[idx].hw;
if (idx < JH7100_CLK_END)
return priv->pll[idx - JH7100_CLK_PLL0_OUT];
return ERR_PTR(-EINVAL);
}
static int __init clk_starfive_jh7100_probe(struct platform_device *pdev)
{
struct jh71x0_clk_priv *priv;
unsigned int idx;
int ret;
priv = devm_kzalloc(&pdev->dev, struct_size(priv, reg, JH7100_CLK_PLL0_OUT), GFP_KERNEL);
if (!priv)
return -ENOMEM;
spin_lock_init(&priv->rmw_lock);
priv->dev = &pdev->dev;
priv->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(priv->base))
return PTR_ERR(priv->base);
priv->pll[0] = devm_clk_hw_register_fixed_factor(priv->dev, "pll0_out",
"osc_sys", 0, 40, 1);
if (IS_ERR(priv->pll[0]))
return PTR_ERR(priv->pll[0]);
priv->pll[1] = devm_clk_hw_register_fixed_factor(priv->dev, "pll1_out",
"osc_sys", 0, 64, 1);
if (IS_ERR(priv->pll[1]))
return PTR_ERR(priv->pll[1]);
priv->pll[2] = devm_clk_hw_register_fixed_factor(priv->dev, "pll2_out",
"pll2_refclk", 0, 55, 1);
if (IS_ERR(priv->pll[2]))
return PTR_ERR(priv->pll[2]);
for (idx = 0; idx < JH7100_CLK_PLL0_OUT; idx++) {
u32 max = jh7100_clk_data[idx].max;
struct clk_parent_data parents[4] = {};
struct clk_init_data init = {
.name = jh7100_clk_data[idx].name,
.ops = starfive_jh71x0_clk_ops(max),
.parent_data = parents,
.num_parents = ((max & JH71X0_CLK_MUX_MASK) >> JH71X0_CLK_MUX_SHIFT) + 1,
.flags = jh7100_clk_data[idx].flags,
};
struct jh71x0_clk *clk = &priv->reg[idx];
unsigned int i;
for (i = 0; i < init.num_parents; i++) {
unsigned int pidx = jh7100_clk_data[idx].parents[i];
if (pidx < JH7100_CLK_PLL0_OUT)
parents[i].hw = &priv->reg[pidx].hw;
else if (pidx < JH7100_CLK_END)
parents[i].hw = priv->pll[pidx - JH7100_CLK_PLL0_OUT];
else if (pidx == JH7100_CLK_OSC_SYS)
parents[i].fw_name = "osc_sys";
else if (pidx == JH7100_CLK_OSC_AUD)
parents[i].fw_name = "osc_aud";
else if (pidx == JH7100_CLK_GMAC_RMII_REF)
parents[i].fw_name = "gmac_rmii_ref";
else if (pidx == JH7100_CLK_GMAC_GR_MII_RX)
parents[i].fw_name = "gmac_gr_mii_rxclk";
}
clk->hw.init = &init;
clk->idx = idx;
clk->max_div = max & JH71X0_CLK_DIV_MASK;
ret = devm_clk_hw_register(priv->dev, &clk->hw);
if (ret)
return ret;
}
return devm_of_clk_add_hw_provider(priv->dev, jh7100_clk_get, priv);
}
static const struct of_device_id clk_starfive_jh7100_match[] = {
{ .compatible = "starfive,jh7100-clkgen" },
{ /* sentinel */ }
};
static struct platform_driver clk_starfive_jh7100_driver = {
.driver = {
.name = "clk-starfive-jh7100",
.of_match_table = clk_starfive_jh7100_match,
.suppress_bind_attrs = true,
},
};
builtin_platform_driver_probe(clk_starfive_jh7100_driver, clk_starfive_jh7100_probe);
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