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linux/drivers/clk/ti/clk-44xx.c
Suman Anna e1799d451a clk: ti: omap4: Drop idlest polling from IPU & DSP clkctrl clocks 
The IPU and DSP remote processor cores and their corresponding MMUs on
OMAP4 SoCs have hardreset lines associated with them and are controlled
by a PRCM reset line each. Any clkctrl enable/disable operations cannot
be checked for module enabled/disabled status independent of the reset
operation, and this causes some unwanted timeouts in the kernel and
unbalanced states for these clocks. These details should be handled by
the driver integration code itself.

Add the CLKF_NO_IDLEST flag to both the IPU and DSP clkctrl clocks so
that these module status checks are skipped.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
2019-10-31 15:18:29 +02:00

813 lines
27 KiB
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// SPDX-License-Identifier: GPL-2.0-only
/*
* OMAP4 Clock init
*
* Copyright (C) 2013 Texas Instruments, Inc.
*
* Tero Kristo (t-kristo@ti.com)
*/
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk/ti.h>
#include <dt-bindings/clock/omap4.h>
#include "clock.h"
/*
* OMAP4 ABE DPLL default frequency. In OMAP4460 TRM version V, section
* "3.6.3.2.3 CM1_ABE Clock Generator" states that the "DPLL_ABE_X2_CLK
* must be set to 196.608 MHz" and hence, the DPLL locked frequency is
* half of this value.
*/
#define OMAP4_DPLL_ABE_DEFFREQ 98304000
/*
* OMAP4 USB DPLL default frequency. In OMAP4430 TRM version V, section
* "3.6.3.9.5 DPLL_USB Preferred Settings" shows that the preferred
* locked frequency for the USB DPLL is 960MHz.
*/
#define OMAP4_DPLL_USB_DEFFREQ 960000000
static const struct omap_clkctrl_reg_data omap4_mpuss_clkctrl_regs[] __initconst = {
{ OMAP4_MPU_CLKCTRL, NULL, 0, "dpll_mpu_m2_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_tesla_clkctrl_regs[] __initconst = {
{ OMAP4_DSP_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLEST, "dpll_iva_m4x2_ck" },
{ 0 },
};
static const char * const omap4_aess_fclk_parents[] __initconst = {
"abe_clk",
NULL,
};
static const struct omap_clkctrl_div_data omap4_aess_fclk_data __initconst = {
.max_div = 2,
};
static const struct omap_clkctrl_bit_data omap4_aess_bit_data[] __initconst = {
{ 24, TI_CLK_DIVIDER, omap4_aess_fclk_parents, &omap4_aess_fclk_data },
{ 0 },
};
static const char * const omap4_func_dmic_abe_gfclk_parents[] __initconst = {
"abe_cm:clk:0018:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
};
static const char * const omap4_dmic_sync_mux_ck_parents[] __initconst = {
"abe_24m_fclk",
"syc_clk_div_ck",
"func_24m_clk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_dmic_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_func_dmic_abe_gfclk_parents, NULL },
{ 26, TI_CLK_MUX, omap4_dmic_sync_mux_ck_parents, NULL },
{ 0 },
};
static const char * const omap4_func_mcasp_abe_gfclk_parents[] __initconst = {
"abe_cm:clk:0020:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_mcasp_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_func_mcasp_abe_gfclk_parents, NULL },
{ 26, TI_CLK_MUX, omap4_dmic_sync_mux_ck_parents, NULL },
{ 0 },
};
static const char * const omap4_func_mcbsp1_gfclk_parents[] __initconst = {
"abe_cm:clk:0028:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_mcbsp1_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_func_mcbsp1_gfclk_parents, NULL },
{ 26, TI_CLK_MUX, omap4_dmic_sync_mux_ck_parents, NULL },
{ 0 },
};
static const char * const omap4_func_mcbsp2_gfclk_parents[] __initconst = {
"abe_cm:clk:0030:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_mcbsp2_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_func_mcbsp2_gfclk_parents, NULL },
{ 26, TI_CLK_MUX, omap4_dmic_sync_mux_ck_parents, NULL },
{ 0 },
};
static const char * const omap4_func_mcbsp3_gfclk_parents[] __initconst = {
"abe_cm:clk:0038:26",
"pad_clks_ck",
"slimbus_clk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_mcbsp3_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_func_mcbsp3_gfclk_parents, NULL },
{ 26, TI_CLK_MUX, omap4_dmic_sync_mux_ck_parents, NULL },
{ 0 },
};
static const char * const omap4_slimbus1_fclk_0_parents[] __initconst = {
"abe_24m_fclk",
NULL,
};
static const char * const omap4_slimbus1_fclk_1_parents[] __initconst = {
"func_24m_clk",
NULL,
};
static const char * const omap4_slimbus1_fclk_2_parents[] __initconst = {
"pad_clks_ck",
NULL,
};
static const char * const omap4_slimbus1_slimbus_clk_parents[] __initconst = {
"slimbus_clk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_slimbus1_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_slimbus1_fclk_0_parents, NULL },
{ 9, TI_CLK_GATE, omap4_slimbus1_fclk_1_parents, NULL },
{ 10, TI_CLK_GATE, omap4_slimbus1_fclk_2_parents, NULL },
{ 11, TI_CLK_GATE, omap4_slimbus1_slimbus_clk_parents, NULL },
{ 0 },
};
static const char * const omap4_timer5_sync_mux_parents[] __initconst = {
"syc_clk_div_ck",
"sys_32k_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_timer5_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_timer5_sync_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer6_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_timer5_sync_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer7_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_timer5_sync_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer8_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_timer5_sync_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_abe_clkctrl_regs[] __initconst = {
{ OMAP4_L4_ABE_CLKCTRL, NULL, 0, "ocp_abe_iclk" },
{ OMAP4_AESS_CLKCTRL, omap4_aess_bit_data, CLKF_SW_SUP, "abe_cm:clk:0008:24" },
{ OMAP4_MCPDM_CLKCTRL, NULL, CLKF_SW_SUP, "pad_clks_ck" },
{ OMAP4_DMIC_CLKCTRL, omap4_dmic_bit_data, CLKF_SW_SUP, "abe_cm:clk:0018:24" },
{ OMAP4_MCASP_CLKCTRL, omap4_mcasp_bit_data, CLKF_SW_SUP, "abe_cm:clk:0020:24" },
{ OMAP4_MCBSP1_CLKCTRL, omap4_mcbsp1_bit_data, CLKF_SW_SUP, "abe_cm:clk:0028:24" },
{ OMAP4_MCBSP2_CLKCTRL, omap4_mcbsp2_bit_data, CLKF_SW_SUP, "abe_cm:clk:0030:24" },
{ OMAP4_MCBSP3_CLKCTRL, omap4_mcbsp3_bit_data, CLKF_SW_SUP, "abe_cm:clk:0038:24" },
{ OMAP4_SLIMBUS1_CLKCTRL, omap4_slimbus1_bit_data, CLKF_SW_SUP, "abe_cm:clk:0040:8" },
{ OMAP4_TIMER5_CLKCTRL, omap4_timer5_bit_data, CLKF_SW_SUP, "abe_cm:clk:0048:24" },
{ OMAP4_TIMER6_CLKCTRL, omap4_timer6_bit_data, CLKF_SW_SUP, "abe_cm:clk:0050:24" },
{ OMAP4_TIMER7_CLKCTRL, omap4_timer7_bit_data, CLKF_SW_SUP, "abe_cm:clk:0058:24" },
{ OMAP4_TIMER8_CLKCTRL, omap4_timer8_bit_data, CLKF_SW_SUP, "abe_cm:clk:0060:24" },
{ OMAP4_WD_TIMER3_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l4_ao_clkctrl_regs[] __initconst = {
{ OMAP4_SMARTREFLEX_MPU_CLKCTRL, NULL, CLKF_SW_SUP, "l4_wkup_clk_mux_ck" },
{ OMAP4_SMARTREFLEX_IVA_CLKCTRL, NULL, CLKF_SW_SUP, "l4_wkup_clk_mux_ck" },
{ OMAP4_SMARTREFLEX_CORE_CLKCTRL, NULL, CLKF_SW_SUP, "l4_wkup_clk_mux_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_1_clkctrl_regs[] __initconst = {
{ OMAP4_L3_MAIN_1_CLKCTRL, NULL, 0, "l3_div_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_2_clkctrl_regs[] __initconst = {
{ OMAP4_L3_MAIN_2_CLKCTRL, NULL, 0, "l3_div_ck" },
{ OMAP4_GPMC_CLKCTRL, NULL, CLKF_HW_SUP, "l3_div_ck" },
{ OMAP4_OCMC_RAM_CLKCTRL, NULL, 0, "l3_div_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_ducati_clkctrl_regs[] __initconst = {
{ OMAP4_IPU_CLKCTRL, NULL, CLKF_HW_SUP | CLKF_NO_IDLEST, "ducati_clk_mux_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_dma_clkctrl_regs[] __initconst = {
{ OMAP4_DMA_SYSTEM_CLKCTRL, NULL, 0, "l3_div_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_emif_clkctrl_regs[] __initconst = {
{ OMAP4_DMM_CLKCTRL, NULL, 0, "l3_div_ck" },
{ OMAP4_EMIF1_CLKCTRL, NULL, CLKF_HW_SUP, "ddrphy_ck" },
{ OMAP4_EMIF2_CLKCTRL, NULL, CLKF_HW_SUP, "ddrphy_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_d2d_clkctrl_regs[] __initconst = {
{ OMAP4_C2C_CLKCTRL, NULL, 0, "div_core_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l4_cfg_clkctrl_regs[] __initconst = {
{ OMAP4_L4_CFG_CLKCTRL, NULL, 0, "l4_div_ck" },
{ OMAP4_SPINLOCK_CLKCTRL, NULL, 0, "l4_div_ck" },
{ OMAP4_MAILBOX_CLKCTRL, NULL, 0, "l4_div_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_instr_clkctrl_regs[] __initconst = {
{ OMAP4_L3_MAIN_3_CLKCTRL, NULL, CLKF_HW_SUP, "l3_div_ck" },
{ OMAP4_L3_INSTR_CLKCTRL, NULL, CLKF_HW_SUP, "l3_div_ck" },
{ OMAP4_OCP_WP_NOC_CLKCTRL, NULL, CLKF_HW_SUP, "l3_div_ck" },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_ivahd_clkctrl_regs[] __initconst = {
{ OMAP4_IVA_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_iva_m5x2_ck" },
{ OMAP4_SL2IF_CLKCTRL, NULL, CLKF_HW_SUP, "dpll_iva_m5x2_ck" },
{ 0 },
};
static const char * const omap4_iss_ctrlclk_parents[] __initconst = {
"func_96m_fclk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_iss_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_iss_ctrlclk_parents, NULL },
{ 0 },
};
static const char * const omap4_fdif_fck_parents[] __initconst = {
"dpll_per_m4x2_ck",
NULL,
};
static const struct omap_clkctrl_div_data omap4_fdif_fck_data __initconst = {
.max_div = 4,
.flags = CLK_DIVIDER_POWER_OF_TWO,
};
static const struct omap_clkctrl_bit_data omap4_fdif_bit_data[] __initconst = {
{ 24, TI_CLK_DIVIDER, omap4_fdif_fck_parents, &omap4_fdif_fck_data },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_iss_clkctrl_regs[] __initconst = {
{ OMAP4_ISS_CLKCTRL, omap4_iss_bit_data, CLKF_SW_SUP, "ducati_clk_mux_ck" },
{ OMAP4_FDIF_CLKCTRL, omap4_fdif_bit_data, CLKF_SW_SUP, "iss_cm:clk:0008:24" },
{ 0 },
};
static const char * const omap4_dss_dss_clk_parents[] __initconst = {
"dpll_per_m5x2_ck",
NULL,
};
static const char * const omap4_dss_48mhz_clk_parents[] __initconst = {
"func_48mc_fclk",
NULL,
};
static const char * const omap4_dss_sys_clk_parents[] __initconst = {
"syc_clk_div_ck",
NULL,
};
static const char * const omap4_dss_tv_clk_parents[] __initconst = {
"extalt_clkin_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_dss_core_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_dss_dss_clk_parents, NULL },
{ 9, TI_CLK_GATE, omap4_dss_48mhz_clk_parents, NULL },
{ 10, TI_CLK_GATE, omap4_dss_sys_clk_parents, NULL },
{ 11, TI_CLK_GATE, omap4_dss_tv_clk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_dss_clkctrl_regs[] __initconst = {
{ OMAP4_DSS_CORE_CLKCTRL, omap4_dss_core_bit_data, CLKF_SW_SUP, "l3_dss_cm:clk:0000:8" },
{ 0 },
};
static const char * const omap4_sgx_clk_mux_parents[] __initconst = {
"dpll_core_m7x2_ck",
"dpll_per_m7x2_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_gpu_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_sgx_clk_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_gfx_clkctrl_regs[] __initconst = {
{ OMAP4_GPU_CLKCTRL, omap4_gpu_bit_data, CLKF_SW_SUP, "l3_gfx_cm:clk:0000:24" },
{ 0 },
};
static const char * const omap4_hsmmc1_fclk_parents[] __initconst = {
"func_64m_fclk",
"func_96m_fclk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_mmc1_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_hsmmc1_fclk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_mmc2_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_hsmmc1_fclk_parents, NULL },
{ 0 },
};
static const char * const omap4_hsi_fck_parents[] __initconst = {
"dpll_per_m2x2_ck",
NULL,
};
static const struct omap_clkctrl_div_data omap4_hsi_fck_data __initconst = {
.max_div = 4,
.flags = CLK_DIVIDER_POWER_OF_TWO,
};
static const struct omap_clkctrl_bit_data omap4_hsi_bit_data[] __initconst = {
{ 24, TI_CLK_DIVIDER, omap4_hsi_fck_parents, &omap4_hsi_fck_data },
{ 0 },
};
static const char * const omap4_usb_host_hs_utmi_p1_clk_parents[] __initconst = {
"l3_init_cm:clk:0038:24",
NULL,
};
static const char * const omap4_usb_host_hs_utmi_p2_clk_parents[] __initconst = {
"l3_init_cm:clk:0038:25",
NULL,
};
static const char * const omap4_usb_host_hs_utmi_p3_clk_parents[] __initconst = {
"init_60m_fclk",
NULL,
};
static const char * const omap4_usb_host_hs_hsic480m_p1_clk_parents[] __initconst = {
"dpll_usb_m2_ck",
NULL,
};
static const char * const omap4_utmi_p1_gfclk_parents[] __initconst = {
"init_60m_fclk",
"xclk60mhsp1_ck",
NULL,
};
static const char * const omap4_utmi_p2_gfclk_parents[] __initconst = {
"init_60m_fclk",
"xclk60mhsp2_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_usb_host_hs_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_usb_host_hs_utmi_p1_clk_parents, NULL },
{ 9, TI_CLK_GATE, omap4_usb_host_hs_utmi_p2_clk_parents, NULL },
{ 10, TI_CLK_GATE, omap4_usb_host_hs_utmi_p3_clk_parents, NULL },
{ 11, TI_CLK_GATE, omap4_usb_host_hs_utmi_p3_clk_parents, NULL },
{ 12, TI_CLK_GATE, omap4_usb_host_hs_utmi_p3_clk_parents, NULL },
{ 13, TI_CLK_GATE, omap4_usb_host_hs_hsic480m_p1_clk_parents, NULL },
{ 14, TI_CLK_GATE, omap4_usb_host_hs_hsic480m_p1_clk_parents, NULL },
{ 15, TI_CLK_GATE, omap4_dss_48mhz_clk_parents, NULL },
{ 24, TI_CLK_MUX, omap4_utmi_p1_gfclk_parents, NULL },
{ 25, TI_CLK_MUX, omap4_utmi_p2_gfclk_parents, NULL },
{ 0 },
};
static const char * const omap4_usb_otg_hs_xclk_parents[] __initconst = {
"l3_init_cm:clk:0040:24",
NULL,
};
static const char * const omap4_otg_60m_gfclk_parents[] __initconst = {
"utmi_phy_clkout_ck",
"xclk60motg_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_usb_otg_hs_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_usb_otg_hs_xclk_parents, NULL },
{ 24, TI_CLK_MUX, omap4_otg_60m_gfclk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_usb_tll_hs_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_usb_host_hs_utmi_p3_clk_parents, NULL },
{ 9, TI_CLK_GATE, omap4_usb_host_hs_utmi_p3_clk_parents, NULL },
{ 10, TI_CLK_GATE, omap4_usb_host_hs_utmi_p3_clk_parents, NULL },
{ 0 },
};
static const char * const omap4_ocp2scp_usb_phy_phy_48m_parents[] __initconst = {
"func_48m_fclk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_ocp2scp_usb_phy_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_ocp2scp_usb_phy_phy_48m_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l3_init_clkctrl_regs[] __initconst = {
{ OMAP4_MMC1_CLKCTRL, omap4_mmc1_bit_data, CLKF_SW_SUP, "l3_init_cm:clk:0008:24" },
{ OMAP4_MMC2_CLKCTRL, omap4_mmc2_bit_data, CLKF_SW_SUP, "l3_init_cm:clk:0010:24" },
{ OMAP4_HSI_CLKCTRL, omap4_hsi_bit_data, CLKF_HW_SUP, "l3_init_cm:clk:0018:24" },
{ OMAP4_USB_HOST_HS_CLKCTRL, omap4_usb_host_hs_bit_data, CLKF_SW_SUP, "init_60m_fclk" },
{ OMAP4_USB_OTG_HS_CLKCTRL, omap4_usb_otg_hs_bit_data, CLKF_HW_SUP, "l3_div_ck" },
{ OMAP4_USB_TLL_HS_CLKCTRL, omap4_usb_tll_hs_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_USB_HOST_FS_CLKCTRL, NULL, CLKF_SW_SUP, "func_48mc_fclk" },
{ OMAP4_OCP2SCP_USB_PHY_CLKCTRL, omap4_ocp2scp_usb_phy_bit_data, CLKF_HW_SUP, "l3_init_cm:clk:00c0:8" },
{ 0 },
};
static const char * const omap4_cm2_dm10_mux_parents[] __initconst = {
"sys_clkin_ck",
"sys_32k_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_timer10_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_cm2_dm10_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer11_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_cm2_dm10_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer2_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_cm2_dm10_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer3_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_cm2_dm10_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer4_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_cm2_dm10_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer9_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_cm2_dm10_mux_parents, NULL },
{ 0 },
};
static const char * const omap4_gpio2_dbclk_parents[] __initconst = {
"sys_32k_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_gpio2_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_gpio2_dbclk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_gpio3_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_gpio2_dbclk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_gpio4_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_gpio2_dbclk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_gpio5_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_gpio2_dbclk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_gpio6_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_gpio2_dbclk_parents, NULL },
{ 0 },
};
static const char * const omap4_per_mcbsp4_gfclk_parents[] __initconst = {
"l4_per_cm:clk:00c0:26",
"pad_clks_ck",
NULL,
};
static const char * const omap4_mcbsp4_sync_mux_ck_parents[] __initconst = {
"func_96m_fclk",
"per_abe_nc_fclk",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_mcbsp4_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_per_mcbsp4_gfclk_parents, NULL },
{ 26, TI_CLK_MUX, omap4_mcbsp4_sync_mux_ck_parents, NULL },
{ 0 },
};
static const char * const omap4_slimbus2_fclk_0_parents[] __initconst = {
"func_24mc_fclk",
NULL,
};
static const char * const omap4_slimbus2_fclk_1_parents[] __initconst = {
"per_abe_24m_fclk",
NULL,
};
static const char * const omap4_slimbus2_slimbus_clk_parents[] __initconst = {
"pad_slimbus_core_clks_ck",
NULL,
};
static const struct omap_clkctrl_bit_data omap4_slimbus2_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_slimbus2_fclk_0_parents, NULL },
{ 9, TI_CLK_GATE, omap4_slimbus2_fclk_1_parents, NULL },
{ 10, TI_CLK_GATE, omap4_slimbus2_slimbus_clk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l4_per_clkctrl_regs[] __initconst = {
{ OMAP4_TIMER10_CLKCTRL, omap4_timer10_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0008:24" },
{ OMAP4_TIMER11_CLKCTRL, omap4_timer11_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0010:24" },
{ OMAP4_TIMER2_CLKCTRL, omap4_timer2_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0018:24" },
{ OMAP4_TIMER3_CLKCTRL, omap4_timer3_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0020:24" },
{ OMAP4_TIMER4_CLKCTRL, omap4_timer4_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0028:24" },
{ OMAP4_TIMER9_CLKCTRL, omap4_timer9_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0030:24" },
{ OMAP4_ELM_CLKCTRL, NULL, 0, "l4_div_ck" },
{ OMAP4_GPIO2_CLKCTRL, omap4_gpio2_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_GPIO3_CLKCTRL, omap4_gpio3_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_GPIO4_CLKCTRL, omap4_gpio4_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_GPIO5_CLKCTRL, omap4_gpio5_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_GPIO6_CLKCTRL, omap4_gpio6_bit_data, CLKF_HW_SUP, "l4_div_ck" },
{ OMAP4_HDQ1W_CLKCTRL, NULL, CLKF_SW_SUP, "func_12m_fclk" },
{ OMAP4_I2C1_CLKCTRL, NULL, CLKF_SW_SUP, "func_96m_fclk" },
{ OMAP4_I2C2_CLKCTRL, NULL, CLKF_SW_SUP, "func_96m_fclk" },
{ OMAP4_I2C3_CLKCTRL, NULL, CLKF_SW_SUP, "func_96m_fclk" },
{ OMAP4_I2C4_CLKCTRL, NULL, CLKF_SW_SUP, "func_96m_fclk" },
{ OMAP4_L4_PER_CLKCTRL, NULL, 0, "l4_div_ck" },
{ OMAP4_MCBSP4_CLKCTRL, omap4_mcbsp4_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:00c0:24" },
{ OMAP4_MCSPI1_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MCSPI2_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MCSPI3_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MCSPI4_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MMC3_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MMC4_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_SLIMBUS2_CLKCTRL, omap4_slimbus2_bit_data, CLKF_SW_SUP, "l4_per_cm:clk:0118:8" },
{ OMAP4_UART1_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_UART2_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_UART3_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_UART4_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ OMAP4_MMC5_CLKCTRL, NULL, CLKF_SW_SUP, "func_48m_fclk" },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_gpio1_bit_data[] __initconst = {
{ 8, TI_CLK_GATE, omap4_gpio2_dbclk_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_bit_data omap4_timer1_bit_data[] __initconst = {
{ 24, TI_CLK_MUX, omap4_cm2_dm10_mux_parents, NULL },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_l4_wkup_clkctrl_regs[] __initconst = {
{ OMAP4_L4_WKUP_CLKCTRL, NULL, 0, "l4_wkup_clk_mux_ck" },
{ OMAP4_WD_TIMER2_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ OMAP4_GPIO1_CLKCTRL, omap4_gpio1_bit_data, CLKF_HW_SUP, "l4_wkup_clk_mux_ck" },
{ OMAP4_TIMER1_CLKCTRL, omap4_timer1_bit_data, CLKF_SW_SUP, "l4_wkup_cm:clk:0020:24" },
{ OMAP4_COUNTER_32K_CLKCTRL, NULL, 0, "sys_32k_ck" },
{ OMAP4_KBD_CLKCTRL, NULL, CLKF_SW_SUP, "sys_32k_ck" },
{ 0 },
};
static const char * const omap4_pmd_stm_clock_mux_ck_parents[] __initconst = {
"sys_clkin_ck",
"dpll_core_m6x2_ck",
"tie_low_clock_ck",
NULL,
};
static const char * const omap4_trace_clk_div_div_ck_parents[] __initconst = {
"emu_sys_cm:clk:0000:22",
NULL,
};
static const int omap4_trace_clk_div_div_ck_divs[] __initconst = {
0,
1,
2,
0,
4,
-1,
};
static const struct omap_clkctrl_div_data omap4_trace_clk_div_div_ck_data __initconst = {
.dividers = omap4_trace_clk_div_div_ck_divs,
};
static const char * const omap4_stm_clk_div_ck_parents[] __initconst = {
"emu_sys_cm:clk:0000:20",
NULL,
};
static const struct omap_clkctrl_div_data omap4_stm_clk_div_ck_data __initconst = {
.max_div = 64,
.flags = CLK_DIVIDER_POWER_OF_TWO,
};
static const struct omap_clkctrl_bit_data omap4_debugss_bit_data[] __initconst = {
{ 20, TI_CLK_MUX, omap4_pmd_stm_clock_mux_ck_parents, NULL },
{ 22, TI_CLK_MUX, omap4_pmd_stm_clock_mux_ck_parents, NULL },
{ 24, TI_CLK_DIVIDER, omap4_trace_clk_div_div_ck_parents, &omap4_trace_clk_div_div_ck_data },
{ 27, TI_CLK_DIVIDER, omap4_stm_clk_div_ck_parents, &omap4_stm_clk_div_ck_data },
{ 0 },
};
static const struct omap_clkctrl_reg_data omap4_emu_sys_clkctrl_regs[] __initconst = {
{ OMAP4_DEBUGSS_CLKCTRL, omap4_debugss_bit_data, 0, "trace_clk_div_ck" },
{ 0 },
};
const struct omap_clkctrl_data omap4_clkctrl_data[] __initconst = {
{ 0x4a004320, omap4_mpuss_clkctrl_regs },
{ 0x4a004420, omap4_tesla_clkctrl_regs },
{ 0x4a004520, omap4_abe_clkctrl_regs },
{ 0x4a008620, omap4_l4_ao_clkctrl_regs },
{ 0x4a008720, omap4_l3_1_clkctrl_regs },
{ 0x4a008820, omap4_l3_2_clkctrl_regs },
{ 0x4a008920, omap4_ducati_clkctrl_regs },
{ 0x4a008a20, omap4_l3_dma_clkctrl_regs },
{ 0x4a008b20, omap4_l3_emif_clkctrl_regs },
{ 0x4a008c20, omap4_d2d_clkctrl_regs },
{ 0x4a008d20, omap4_l4_cfg_clkctrl_regs },
{ 0x4a008e20, omap4_l3_instr_clkctrl_regs },
{ 0x4a008f20, omap4_ivahd_clkctrl_regs },
{ 0x4a009020, omap4_iss_clkctrl_regs },
{ 0x4a009120, omap4_l3_dss_clkctrl_regs },
{ 0x4a009220, omap4_l3_gfx_clkctrl_regs },
{ 0x4a009320, omap4_l3_init_clkctrl_regs },
{ 0x4a009420, omap4_l4_per_clkctrl_regs },
{ 0x4a307820, omap4_l4_wkup_clkctrl_regs },
{ 0x4a307a20, omap4_emu_sys_clkctrl_regs },
{ 0 },
};
static struct ti_dt_clk omap44xx_clks[] = {
DT_CLK(NULL, "timer_32k_ck", "sys_32k_ck"),
/*
* XXX: All the clock aliases below are only needed for legacy
* hwmod support. Once hwmod is removed, these can be removed
* also.
*/
DT_CLK(NULL, "aess_fclk", "abe_cm:0008:24"),
DT_CLK(NULL, "cm2_dm10_mux", "l4_per_cm:0008:24"),
DT_CLK(NULL, "cm2_dm11_mux", "l4_per_cm:0010:24"),
DT_CLK(NULL, "cm2_dm2_mux", "l4_per_cm:0018:24"),
DT_CLK(NULL, "cm2_dm3_mux", "l4_per_cm:0020:24"),
DT_CLK(NULL, "cm2_dm4_mux", "l4_per_cm:0028:24"),
DT_CLK(NULL, "cm2_dm9_mux", "l4_per_cm:0030:24"),
DT_CLK(NULL, "dmic_sync_mux_ck", "abe_cm:0018:26"),
DT_CLK(NULL, "dmt1_clk_mux", "l4_wkup_cm:0020:24"),
DT_CLK(NULL, "dss_48mhz_clk", "l3_dss_cm:0000:9"),
DT_CLK(NULL, "dss_dss_clk", "l3_dss_cm:0000:8"),
DT_CLK(NULL, "dss_sys_clk", "l3_dss_cm:0000:10"),
DT_CLK(NULL, "dss_tv_clk", "l3_dss_cm:0000:11"),
DT_CLK(NULL, "fdif_fck", "iss_cm:0008:24"),
DT_CLK(NULL, "func_dmic_abe_gfclk", "abe_cm:0018:24"),
DT_CLK(NULL, "func_mcasp_abe_gfclk", "abe_cm:0020:24"),
DT_CLK(NULL, "func_mcbsp1_gfclk", "abe_cm:0028:24"),
DT_CLK(NULL, "func_mcbsp2_gfclk", "abe_cm:0030:24"),
DT_CLK(NULL, "func_mcbsp3_gfclk", "abe_cm:0038:24"),
DT_CLK(NULL, "gpio1_dbclk", "l4_wkup_cm:0018:8"),
DT_CLK(NULL, "gpio2_dbclk", "l4_per_cm:0040:8"),
DT_CLK(NULL, "gpio3_dbclk", "l4_per_cm:0048:8"),
DT_CLK(NULL, "gpio4_dbclk", "l4_per_cm:0050:8"),
DT_CLK(NULL, "gpio5_dbclk", "l4_per_cm:0058:8"),
DT_CLK(NULL, "gpio6_dbclk", "l4_per_cm:0060:8"),
DT_CLK(NULL, "hsi_fck", "l3_init_cm:0018:24"),
DT_CLK(NULL, "hsmmc1_fclk", "l3_init_cm:0008:24"),
DT_CLK(NULL, "hsmmc2_fclk", "l3_init_cm:0010:24"),
DT_CLK(NULL, "iss_ctrlclk", "iss_cm:0000:8"),
DT_CLK(NULL, "mcasp_sync_mux_ck", "abe_cm:0020:26"),
DT_CLK(NULL, "mcbsp1_sync_mux_ck", "abe_cm:0028:26"),
DT_CLK(NULL, "mcbsp2_sync_mux_ck", "abe_cm:0030:26"),
DT_CLK(NULL, "mcbsp3_sync_mux_ck", "abe_cm:0038:26"),
DT_CLK(NULL, "mcbsp4_sync_mux_ck", "l4_per_cm:00c0:26"),
DT_CLK(NULL, "ocp2scp_usb_phy_phy_48m", "l3_init_cm:00c0:8"),
DT_CLK(NULL, "otg_60m_gfclk", "l3_init_cm:0040:24"),
DT_CLK(NULL, "per_mcbsp4_gfclk", "l4_per_cm:00c0:24"),
DT_CLK(NULL, "pmd_stm_clock_mux_ck", "emu_sys_cm:0000:20"),
DT_CLK(NULL, "pmd_trace_clk_mux_ck", "emu_sys_cm:0000:22"),
DT_CLK(NULL, "sgx_clk_mux", "l3_gfx_cm:0000:24"),
DT_CLK(NULL, "slimbus1_fclk_0", "abe_cm:0040:8"),
DT_CLK(NULL, "slimbus1_fclk_1", "abe_cm:0040:9"),
DT_CLK(NULL, "slimbus1_fclk_2", "abe_cm:0040:10"),
DT_CLK(NULL, "slimbus1_slimbus_clk", "abe_cm:0040:11"),
DT_CLK(NULL, "slimbus2_fclk_0", "l4_per_cm:0118:8"),
DT_CLK(NULL, "slimbus2_fclk_1", "l4_per_cm:0118:9"),
DT_CLK(NULL, "slimbus2_slimbus_clk", "l4_per_cm:0118:10"),
DT_CLK(NULL, "stm_clk_div_ck", "emu_sys_cm:0000:27"),
DT_CLK(NULL, "timer5_sync_mux", "abe_cm:0048:24"),
DT_CLK(NULL, "timer6_sync_mux", "abe_cm:0050:24"),
DT_CLK(NULL, "timer7_sync_mux", "abe_cm:0058:24"),
DT_CLK(NULL, "timer8_sync_mux", "abe_cm:0060:24"),
DT_CLK(NULL, "trace_clk_div_div_ck", "emu_sys_cm:0000:24"),
DT_CLK(NULL, "usb_host_hs_func48mclk", "l3_init_cm:0038:15"),
DT_CLK(NULL, "usb_host_hs_hsic480m_p1_clk", "l3_init_cm:0038:13"),
DT_CLK(NULL, "usb_host_hs_hsic480m_p2_clk", "l3_init_cm:0038:14"),
DT_CLK(NULL, "usb_host_hs_hsic60m_p1_clk", "l3_init_cm:0038:11"),
DT_CLK(NULL, "usb_host_hs_hsic60m_p2_clk", "l3_init_cm:0038:12"),
DT_CLK(NULL, "usb_host_hs_utmi_p1_clk", "l3_init_cm:0038:8"),
DT_CLK(NULL, "usb_host_hs_utmi_p2_clk", "l3_init_cm:0038:9"),
DT_CLK(NULL, "usb_host_hs_utmi_p3_clk", "l3_init_cm:0038:10"),
DT_CLK(NULL, "usb_otg_hs_xclk", "l3_init_cm:0040:8"),
DT_CLK(NULL, "usb_tll_hs_usb_ch0_clk", "l3_init_cm:0048:8"),
DT_CLK(NULL, "usb_tll_hs_usb_ch1_clk", "l3_init_cm:0048:9"),
DT_CLK(NULL, "usb_tll_hs_usb_ch2_clk", "l3_init_cm:0048:10"),
DT_CLK(NULL, "utmi_p1_gfclk", "l3_init_cm:0038:24"),
DT_CLK(NULL, "utmi_p2_gfclk", "l3_init_cm:0038:25"),
{ .node_name = NULL },
};
int __init omap4xxx_dt_clk_init(void)
{
int rc;
struct clk *abe_dpll_ref, *abe_dpll, *sys_32k_ck, *usb_dpll;
ti_dt_clocks_register(omap44xx_clks);
omap2_clk_disable_autoidle_all();
ti_clk_add_aliases();
/*
* Lock USB DPLL on OMAP4 devices so that the L3INIT power
* domain can transition to retention state when not in use.
*/
usb_dpll = clk_get_sys(NULL, "dpll_usb_ck");
rc = clk_set_rate(usb_dpll, OMAP4_DPLL_USB_DEFFREQ);
if (rc)
pr_err("%s: failed to configure USB DPLL!\n", __func__);
/*
* On OMAP4460 the ABE DPLL fails to turn on if in idle low-power
* state when turning the ABE clock domain. Workaround this by
* locking the ABE DPLL on boot.
* Lock the ABE DPLL in any case to avoid issues with audio.
*/
abe_dpll_ref = clk_get_sys(NULL, "abe_dpll_refclk_mux_ck");
sys_32k_ck = clk_get_sys(NULL, "sys_32k_ck");
rc = clk_set_parent(abe_dpll_ref, sys_32k_ck);
abe_dpll = clk_get_sys(NULL, "dpll_abe_ck");
if (!rc)
rc = clk_set_rate(abe_dpll, OMAP4_DPLL_ABE_DEFFREQ);
if (rc)
pr_err("%s: failed to configure ABE DPLL!\n", __func__);
return 0;
}
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