| /* |
| * Copyright (C) 2015 Freescale Semiconductor, Inc. |
| * |
| * The code contained herein is licensed under the GNU General Public |
| * License. You may obtain a copy of the GNU General Public License |
| * Version 2 or later at the following locations: |
| * |
| * http://www.opensource.org/licenses/gpl-license.html |
| * http://www.gnu.org/copyleft/gpl.html |
| */ |
| |
| #include <dt-bindings/clock/imx6ul-clock.h> |
| #include <linux/clk.h> |
| #include <linux/clkdev.h> |
| #include <linux/err.h> |
| #include <linux/init.h> |
| #include <linux/io.h> |
| #include <linux/of.h> |
| #include <linux/of_address.h> |
| #include <linux/of_irq.h> |
| #include <linux/types.h> |
| |
| #include "clk.h" |
| |
| #define BM_CCM_CCDR_MMDC_CH0_MASK (0x2 << 16) |
| #define CCDR 0x4 |
| |
| static const char *pll_bypass_src_sels[] = { "osc", "dummy", }; |
| static const char *pll1_bypass_sels[] = { "pll1", "pll1_bypass_src", }; |
| static const char *pll2_bypass_sels[] = { "pll2", "pll2_bypass_src", }; |
| static const char *pll3_bypass_sels[] = { "pll3", "pll3_bypass_src", }; |
| static const char *pll4_bypass_sels[] = { "pll4", "pll4_bypass_src", }; |
| static const char *pll5_bypass_sels[] = { "pll5", "pll5_bypass_src", }; |
| static const char *pll6_bypass_sels[] = { "pll6", "pll6_bypass_src", }; |
| static const char *pll7_bypass_sels[] = { "pll7", "pll7_bypass_src", }; |
| static const char *ca7_secondary_sels[] = { "pll2_pfd2_396m", "pll2_bus", }; |
| static const char *step_sels[] = { "osc", "ca7_secondary_sel", }; |
| static const char *pll1_sw_sels[] = { "pll1_sys", "step", }; |
| static const char *axi_alt_sels[] = { "pll2_pfd2_396m", "pll3_pfd1_540m", }; |
| static const char *axi_sels[] = {"periph", "axi_alt_sel", }; |
| static const char *periph_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll2_198m", }; |
| static const char *periph2_pre_sels[] = { "pll2_bus", "pll2_pfd2_396m", "pll2_pfd0_352m", "pll4_audio_div", }; |
| static const char *periph_clk2_sels[] = { "pll3_usb_otg", "osc", "osc", }; |
| static const char *periph2_clk2_sels[] = { "pll3_usb_otg", "osc", }; |
| static const char *periph_sels[] = { "periph_pre", "periph_clk2", }; |
| static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", }; |
| static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", }; |
| static const char *bch_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", }; |
| static const char *gpmi_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", }; |
| static const char *eim_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll3_pfd0_720m", }; |
| static const char *spdif_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll5_video_div", "pll3_usb_otg", }; |
| static const char *sai_sels[] = { "pll3_pfd2_508m", "pll5_video_div", "pll4_audio_div", }; |
| static const char *lcdif_pre_sels[] = { "pll2_bus", "pll3_pfd3_454m", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd1_594m", "pll3_pfd1_540m", }; |
| static const char *sim_pre_sels[] = { "pll2_bus", "pll3_usb_otg", "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll3_pfd2_508m", }; |
| static const char *ldb_di0_sels[] = { "pll5_video_div", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll2_pfd3_594m", "pll2_pfd1_594m", "pll3_pfd3_454m", }; |
| static const char *ldb_di0_div_sels[] = { "ldb_di0_div_3_5", "ldb_di0_div_7", }; |
| static const char *ldb_di1_div_sels[] = { "ldb_di1_div_3_5", "ldb_di1_div_7", }; |
| static const char *qspi1_sels[] = { "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", "pll2_bus", "pll3_pfd3_454m", "pll3_pfd2_508m", }; |
| static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", "pll3_pfd3_454m", "dummy", "dummy", "dummy", }; |
| static const char *can_sels[] = { "pll3_60m", "osc", "pll3_80m", "dummy", }; |
| static const char *ecspi_sels[] = { "pll3_60m", "osc", }; |
| static const char *uart_sels[] = { "pll3_80m", "osc", }; |
| static const char *perclk_sels[] = { "ipg", "osc", }; |
| static const char *lcdif_sels[] = { "lcdif_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", }; |
| static const char *csi_sels[] = { "osc", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", }; |
| static const char *sim_sels[] = { "sim_podf", "ipp_di0", "ipp_di1", "ldb_di0", "ldb_di1", }; |
| |
| static struct clk *clks[IMX6UL_CLK_END]; |
| static struct clk_onecell_data clk_data; |
| |
| static int const clks_init_on[] __initconst = { |
| IMX6UL_CLK_AIPSTZ1, IMX6UL_CLK_AIPSTZ2, IMX6UL_CLK_AIPSTZ3, |
| IMX6UL_CLK_AXI, IMX6UL_CLK_ARM, IMX6UL_CLK_ROM, |
| IMX6UL_CLK_MMDC_P0_FAST, IMX6UL_CLK_MMDC_P0_IPG, |
| }; |
| |
| static struct clk_div_table clk_enet_ref_table[] = { |
| { .val = 0, .div = 20, }, |
| { .val = 1, .div = 10, }, |
| { .val = 2, .div = 5, }, |
| { .val = 3, .div = 4, }, |
| { } |
| }; |
| |
| static struct clk_div_table post_div_table[] = { |
| { .val = 2, .div = 1, }, |
| { .val = 1, .div = 2, }, |
| { .val = 0, .div = 4, }, |
| { } |
| }; |
| |
| static struct clk_div_table video_div_table[] = { |
| { .val = 0, .div = 1, }, |
| { .val = 1, .div = 2, }, |
| { .val = 2, .div = 1, }, |
| { .val = 3, .div = 4, }, |
| { } |
| }; |
| |
| static u32 share_count_asrc; |
| static u32 share_count_audio; |
| static u32 share_count_sai1; |
| static u32 share_count_sai2; |
| static u32 share_count_sai3; |
| |
| static void __init imx6ul_clocks_init(struct device_node *ccm_node) |
| { |
| struct device_node *np; |
| void __iomem *base; |
| int i; |
| |
| clks[IMX6UL_CLK_DUMMY] = imx_clk_fixed("dummy", 0); |
| |
| clks[IMX6UL_CLK_CKIL] = of_clk_get_by_name(ccm_node, "ckil"); |
| clks[IMX6UL_CLK_OSC] = of_clk_get_by_name(ccm_node, "osc"); |
| |
| /* ipp_di clock is external input */ |
| clks[IMX6UL_CLK_IPP_DI0] = of_clk_get_by_name(ccm_node, "ipp_di0"); |
| clks[IMX6UL_CLK_IPP_DI1] = of_clk_get_by_name(ccm_node, "ipp_di1"); |
| |
| np = of_find_compatible_node(NULL, NULL, "fsl,imx6ul-anatop"); |
| base = of_iomap(np, 0); |
| WARN_ON(!base); |
| |
| clks[IMX6UL_PLL1_BYPASS_SRC] = imx_clk_mux("pll1_bypass_src", base + 0x00, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| clks[IMX6UL_PLL2_BYPASS_SRC] = imx_clk_mux("pll2_bypass_src", base + 0x30, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| clks[IMX6UL_PLL3_BYPASS_SRC] = imx_clk_mux("pll3_bypass_src", base + 0x10, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| clks[IMX6UL_PLL4_BYPASS_SRC] = imx_clk_mux("pll4_bypass_src", base + 0x70, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| clks[IMX6UL_PLL5_BYPASS_SRC] = imx_clk_mux("pll5_bypass_src", base + 0xa0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| clks[IMX6UL_PLL6_BYPASS_SRC] = imx_clk_mux("pll6_bypass_src", base + 0xe0, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| clks[IMX6UL_PLL7_BYPASS_SRC] = imx_clk_mux("pll7_bypass_src", base + 0x20, 14, 1, pll_bypass_src_sels, ARRAY_SIZE(pll_bypass_src_sels)); |
| |
| clks[IMX6UL_CLK_PLL1] = imx_clk_pllv3(IMX_PLLV3_SYS, "pll1", "pll1_bypass_src", base + 0x00, 0x7f); |
| clks[IMX6UL_CLK_PLL2] = imx_clk_pllv3(IMX_PLLV3_GENERIC, "pll2", "pll2_bypass_src", base + 0x30, 0x1); |
| clks[IMX6UL_CLK_PLL3] = imx_clk_pllv3(IMX_PLLV3_USB, "pll3", "pll3_bypass_src", base + 0x10, 0x3); |
| clks[IMX6UL_CLK_PLL4] = imx_clk_pllv3(IMX_PLLV3_AV, "pll4", "pll4_bypass_src", base + 0x70, 0x7f); |
| clks[IMX6UL_CLK_PLL5] = imx_clk_pllv3(IMX_PLLV3_AV, "pll5", "pll5_bypass_src", base + 0xa0, 0x7f); |
| clks[IMX6UL_CLK_PLL6] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6", "pll6_bypass_src", base + 0xe0, 0x3); |
| clks[IMX6UL_CLK_PLL7] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7", "pll7_bypass_src", base + 0x20, 0x3); |
| |
| clks[IMX6UL_PLL1_BYPASS] = imx_clk_mux_flags("pll1_bypass", base + 0x00, 16, 1, pll1_bypass_sels, ARRAY_SIZE(pll1_bypass_sels), CLK_SET_RATE_PARENT); |
| clks[IMX6UL_PLL2_BYPASS] = imx_clk_mux_flags("pll2_bypass", base + 0x30, 16, 1, pll2_bypass_sels, ARRAY_SIZE(pll2_bypass_sels), CLK_SET_RATE_PARENT); |
| clks[IMX6UL_PLL3_BYPASS] = imx_clk_mux_flags("pll3_bypass", base + 0x10, 16, 1, pll3_bypass_sels, ARRAY_SIZE(pll3_bypass_sels), CLK_SET_RATE_PARENT); |
| clks[IMX6UL_PLL4_BYPASS] = imx_clk_mux_flags("pll4_bypass", base + 0x70, 16, 1, pll4_bypass_sels, ARRAY_SIZE(pll4_bypass_sels), CLK_SET_RATE_PARENT); |
| clks[IMX6UL_PLL5_BYPASS] = imx_clk_mux_flags("pll5_bypass", base + 0xa0, 16, 1, pll5_bypass_sels, ARRAY_SIZE(pll5_bypass_sels), CLK_SET_RATE_PARENT); |
| clks[IMX6UL_PLL6_BYPASS] = imx_clk_mux_flags("pll6_bypass", base + 0xe0, 16, 1, pll6_bypass_sels, ARRAY_SIZE(pll6_bypass_sels), CLK_SET_RATE_PARENT); |
| clks[IMX6UL_PLL7_BYPASS] = imx_clk_mux_flags("pll7_bypass", base + 0x20, 16, 1, pll7_bypass_sels, ARRAY_SIZE(pll7_bypass_sels), CLK_SET_RATE_PARENT); |
| clks[IMX6UL_CLK_CSI_SEL] = imx_clk_mux_flags("csi_sel", base + 0x3c, 9, 2, csi_sels, ARRAY_SIZE(csi_sels), CLK_SET_RATE_PARENT); |
| |
| /* Do not bypass PLLs initially */ |
| clk_set_parent(clks[IMX6UL_PLL1_BYPASS], clks[IMX6UL_CLK_PLL1]); |
| clk_set_parent(clks[IMX6UL_PLL2_BYPASS], clks[IMX6UL_CLK_PLL2]); |
| clk_set_parent(clks[IMX6UL_PLL3_BYPASS], clks[IMX6UL_CLK_PLL3]); |
| clk_set_parent(clks[IMX6UL_PLL4_BYPASS], clks[IMX6UL_CLK_PLL4]); |
| clk_set_parent(clks[IMX6UL_PLL5_BYPASS], clks[IMX6UL_CLK_PLL5]); |
| clk_set_parent(clks[IMX6UL_PLL6_BYPASS], clks[IMX6UL_CLK_PLL6]); |
| clk_set_parent(clks[IMX6UL_PLL7_BYPASS], clks[IMX6UL_CLK_PLL7]); |
| |
| clks[IMX6UL_CLK_PLL1_SYS] = imx_clk_fixed_factor("pll1_sys", "pll1_bypass", 1, 1); |
| clks[IMX6UL_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", base + 0x30, 13); |
| clks[IMX6UL_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13); |
| clks[IMX6UL_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", base + 0x70, 13); |
| clks[IMX6UL_CLK_PLL5_VIDEO] = imx_clk_gate("pll5_video", "pll5_bypass", base + 0xa0, 13); |
| clks[IMX6UL_CLK_PLL6_ENET] = imx_clk_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13); |
| clks[IMX6UL_CLK_PLL7_USB_HOST] = imx_clk_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13); |
| |
| /* |
| * Bit 20 is the reserved and read-only bit, we do this only for: |
| * - Do nothing for usbphy clk_enable/disable |
| * - Keep refcount when do usbphy clk_enable/disable, in that case, |
| * the clk framework many need to enable/disable usbphy's parent |
| */ |
| clks[IMX6UL_CLK_USBPHY1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 20); |
| clks[IMX6UL_CLK_USBPHY2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 20); |
| |
| /* |
| * usbphy*_gate needs to be on after system boots up, and software |
| * never needs to control it anymore. |
| */ |
| clks[IMX6UL_CLK_USBPHY1_GATE] = imx_clk_gate("usbphy1_gate", "dummy", base + 0x10, 6); |
| clks[IMX6UL_CLK_USBPHY2_GATE] = imx_clk_gate("usbphy2_gate", "dummy", base + 0x20, 6); |
| |
| /* name parent_name reg idx */ |
| clks[IMX6UL_CLK_PLL2_PFD0] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0); |
| clks[IMX6UL_CLK_PLL2_PFD1] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1); |
| clks[IMX6UL_CLK_PLL2_PFD2] = imx_clk_pfd("pll2_pfd2_396m", "pll2_bus", base + 0x100, 2); |
| clks[IMX6UL_CLK_PLL2_PFD3] = imx_clk_pfd("pll2_pfd3_594m", "pll2_bus", base + 0x100, 3); |
| clks[IMX6UL_CLK_PLL3_PFD0] = imx_clk_pfd("pll3_pfd0_720m", "pll3_usb_otg", base + 0xf0, 0); |
| clks[IMX6UL_CLK_PLL3_PFD1] = imx_clk_pfd("pll3_pfd1_540m", "pll3_usb_otg", base + 0xf0, 1); |
| clks[IMX6UL_CLK_PLL3_PFD2] = imx_clk_pfd("pll3_pfd2_508m", "pll3_usb_otg", base + 0xf0, 2); |
| clks[IMX6UL_CLK_PLL3_PFD3] = imx_clk_pfd("pll3_pfd3_454m", "pll3_usb_otg", base + 0xf0, 3); |
| |
| clks[IMX6UL_CLK_ENET_REF] = clk_register_divider_table(NULL, "enet_ref", "pll6_enet", 0, |
| base + 0xe0, 0, 2, 0, clk_enet_ref_table, &imx_ccm_lock); |
| clks[IMX6UL_CLK_ENET2_REF] = clk_register_divider_table(NULL, "enet2_ref", "pll6_enet", 0, |
| base + 0xe0, 2, 2, 0, clk_enet_ref_table, &imx_ccm_lock); |
| |
| clks[IMX6UL_CLK_ENET2_REF_125M] = imx_clk_gate("enet_ref_125m", "enet2_ref", base + 0xe0, 20); |
| clks[IMX6UL_CLK_ENET_PTP_REF] = imx_clk_fixed_factor("enet_ptp_ref", "pll6_enet", 1, 20); |
| clks[IMX6UL_CLK_ENET_PTP] = imx_clk_gate("enet_ptp", "enet_ptp_ref", base + 0xe0, 21); |
| |
| clks[IMX6UL_CLK_PLL4_POST_DIV] = clk_register_divider_table(NULL, "pll4_post_div", "pll4_audio", |
| CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock); |
| clks[IMX6UL_CLK_PLL4_AUDIO_DIV] = clk_register_divider(NULL, "pll4_audio_div", "pll4_post_div", |
| CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x170, 15, 1, 0, &imx_ccm_lock); |
| clks[IMX6UL_CLK_PLL5_POST_DIV] = clk_register_divider_table(NULL, "pll5_post_div", "pll5_video", |
| CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock); |
| clks[IMX6UL_CLK_PLL5_VIDEO_DIV] = clk_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", |
| CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock); |
| |
| /* name parent_name mult div */ |
| clks[IMX6UL_CLK_PLL2_198M] = imx_clk_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1, 2); |
| clks[IMX6UL_CLK_PLL3_80M] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6); |
| clks[IMX6UL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8); |
| clks[IMX6UL_CLK_GPT_3M] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8); |
| |
| np = ccm_node; |
| base = of_iomap(np, 0); |
| WARN_ON(!base); |
| |
| clks[IMX6UL_CA7_SECONDARY_SEL] = imx_clk_mux("ca7_secondary_sel", base + 0xc, 3, 1, ca7_secondary_sels, ARRAY_SIZE(ca7_secondary_sels)); |
| clks[IMX6UL_CLK_STEP] = imx_clk_mux("step", base + 0x0c, 8, 1, step_sels, ARRAY_SIZE(step_sels)); |
| clks[IMX6UL_CLK_PLL1_SW] = imx_clk_mux_flags("pll1_sw", base + 0x0c, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels), 0); |
| clks[IMX6UL_CLK_AXI_ALT_SEL] = imx_clk_mux("axi_alt_sel", base + 0x14, 7, 1, axi_alt_sels, ARRAY_SIZE(axi_alt_sels)); |
| clks[IMX6UL_CLK_AXI_SEL] = imx_clk_mux_flags("axi_sel", base + 0x14, 6, 1, axi_sels, ARRAY_SIZE(axi_sels), 0); |
| clks[IMX6UL_CLK_PERIPH_PRE] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels)); |
| clks[IMX6UL_CLK_PERIPH2_PRE] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph2_pre_sels, ARRAY_SIZE(periph2_pre_sels)); |
| clks[IMX6UL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels)); |
| clks[IMX6UL_CLK_PERIPH2_CLK2_SEL] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels)); |
| clks[IMX6UL_CLK_EIM_SLOW_SEL] = imx_clk_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels)); |
| clks[IMX6UL_CLK_GPMI_SEL] = imx_clk_mux("gpmi_sel", base + 0x1c, 19, 1, gpmi_sels, ARRAY_SIZE(gpmi_sels)); |
| clks[IMX6UL_CLK_BCH_SEL] = imx_clk_mux("bch_sel", base + 0x1c, 18, 1, bch_sels, ARRAY_SIZE(bch_sels)); |
| clks[IMX6UL_CLK_USDHC2_SEL] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); |
| clks[IMX6UL_CLK_USDHC1_SEL] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels)); |
| clks[IMX6UL_CLK_SAI3_SEL] = imx_clk_mux("sai3_sel", base + 0x1c, 14, 2, sai_sels, ARRAY_SIZE(sai_sels)); |
| clks[IMX6UL_CLK_SAI2_SEL] = imx_clk_mux("sai2_sel", base + 0x1c, 12, 2, sai_sels, ARRAY_SIZE(sai_sels)); |
| clks[IMX6UL_CLK_SAI1_SEL] = imx_clk_mux("sai1_sel", base + 0x1c, 10, 2, sai_sels, ARRAY_SIZE(sai_sels)); |
| clks[IMX6UL_CLK_QSPI1_SEL] = imx_clk_mux("qspi1_sel", base + 0x1c, 7, 3, qspi1_sels, ARRAY_SIZE(qspi1_sels)); |
| clks[IMX6UL_CLK_PERCLK_SEL] = imx_clk_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels)); |
| clks[IMX6UL_CLK_CAN_SEL] = imx_clk_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels)); |
| clks[IMX6UL_CLK_UART_SEL] = imx_clk_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels)); |
| clks[IMX6UL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 15, 3, enfc_sels, ARRAY_SIZE(enfc_sels)); |
| clks[IMX6UL_CLK_LDB_DI0_SEL] = imx_clk_mux("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di0_sels, ARRAY_SIZE(ldb_di0_sels)); |
| clks[IMX6UL_CLK_SPDIF_SEL] = imx_clk_mux("spdif_sel", base + 0x30, 20, 2, spdif_sels, ARRAY_SIZE(spdif_sels)); |
| clks[IMX6UL_CLK_SIM_PRE_SEL] = imx_clk_mux("sim_pre_sel", base + 0x34, 15, 3, sim_pre_sels, ARRAY_SIZE(sim_pre_sels)); |
| clks[IMX6UL_CLK_SIM_SEL] = imx_clk_mux("sim_sel", base + 0x34, 9, 3, sim_sels, ARRAY_SIZE(sim_sels)); |
| clks[IMX6UL_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels)); |
| clks[IMX6UL_CLK_LCDIF_PRE_SEL] = imx_clk_mux("lcdif_pre_sel", base + 0x38, 15, 3, lcdif_pre_sels, ARRAY_SIZE(lcdif_pre_sels)); |
| clks[IMX6UL_CLK_LCDIF_SEL] = imx_clk_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels)); |
| |
| clks[IMX6UL_CLK_LDB_DI0_DIV_SEL] = imx_clk_mux("ldb_di0", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels)); |
| clks[IMX6UL_CLK_LDB_DI1_DIV_SEL] = imx_clk_mux("ldb_di1", base + 0x20, 11, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels)); |
| |
| clks[IMX6UL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7); |
| clks[IMX6UL_CLK_LDB_DI0_DIV_7] = imx_clk_fixed_factor("ldb_di0_div_7", "ldb_di0_sel", 1, 7); |
| clks[IMX6UL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "qspi1_sel", 2, 7); |
| clks[IMX6UL_CLK_LDB_DI1_DIV_7] = imx_clk_fixed_factor("ldb_di1_div_7", "qspi1_sel", 1, 7); |
| |
| clks[IMX6UL_CLK_PERIPH] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels)); |
| clks[IMX6UL_CLK_PERIPH2] = imx_clk_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels)); |
| |
| clks[IMX6UL_CLK_PERIPH_CLK2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3); |
| clks[IMX6UL_CLK_PERIPH2_CLK2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3); |
| clks[IMX6UL_CLK_IPG] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2); |
| clks[IMX6UL_CLK_LCDIF_PODF] = imx_clk_divider("lcdif_podf", "lcdif_pred", base + 0x18, 23, 3); |
| clks[IMX6UL_CLK_QSPI1_PDOF] = imx_clk_divider("qspi1_podf", "qspi1_sel", base + 0x1c, 26, 3); |
| clks[IMX6UL_CLK_EIM_SLOW_PODF] = imx_clk_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3); |
| clks[IMX6UL_CLK_PERCLK] = imx_clk_divider("perclk", "perclk_sel", base + 0x1c, 0, 6); |
| clks[IMX6UL_CLK_CAN_PODF] = imx_clk_divider("can_podf", "can_sel", base + 0x20, 2, 6); |
| clks[IMX6UL_CLK_GPMI_PODF] = imx_clk_divider("gpmi_podf", "gpmi_sel", base + 0x24, 22, 3); |
| clks[IMX6UL_CLK_BCH_PODF] = imx_clk_divider("bch_podf", "bch_sel", base + 0x24, 19, 3); |
| clks[IMX6UL_CLK_USDHC2_PODF] = imx_clk_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3); |
| clks[IMX6UL_CLK_USDHC1_PODF] = imx_clk_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3); |
| clks[IMX6UL_CLK_UART_PODF] = imx_clk_divider("uart_podf", "uart_sel", base + 0x24, 0, 6); |
| clks[IMX6UL_CLK_SAI3_PRED] = imx_clk_divider("sai3_pred", "sai3_sel", base + 0x28, 22, 3); |
| clks[IMX6UL_CLK_SAI3_PODF] = imx_clk_divider("sai3_podf", "sai3_pred", base + 0x28, 16, 6); |
| clks[IMX6UL_CLK_SAI1_PRED] = imx_clk_divider("sai1_pred", "sai1_sel", base + 0x28, 6, 3); |
| clks[IMX6UL_CLK_SAI1_PODF] = imx_clk_divider("sai1_podf", "sai1_pred", base + 0x28, 0, 6); |
| clks[IMX6UL_CLK_ENFC_PRED] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3); |
| clks[IMX6UL_CLK_ENFC_PODF] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6); |
| clks[IMX6UL_CLK_SAI2_PRED] = imx_clk_divider("sai2_pred", "sai2_sel", base + 0x2c, 6, 3); |
| clks[IMX6UL_CLK_SAI2_PODF] = imx_clk_divider("sai2_podf", "sai2_pred", base + 0x2c, 0, 6); |
| clks[IMX6UL_CLK_SPDIF_PRED] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3); |
| clks[IMX6UL_CLK_SPDIF_PODF] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3); |
| clks[IMX6UL_CLK_SIM_PODF] = imx_clk_divider("sim_podf", "sim_pre_sel", base + 0x34, 12, 3); |
| clks[IMX6UL_CLK_ECSPI_PODF] = imx_clk_divider("ecspi_podf", "ecspi_sel", base + 0x38, 19, 6); |
| clks[IMX6UL_CLK_LCDIF_PRED] = imx_clk_divider("lcdif_pred", "lcdif_pre_sel", base + 0x38, 12, 3); |
| clks[IMX6UL_CLK_CSI_PODF] = imx_clk_divider("csi_podf", "csi_sel", base + 0x3c, 11, 3); |
| |
| clks[IMX6UL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16); |
| clks[IMX6UL_CLK_MMDC_PODF] = imx_clk_busy_divider("mmdc_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2); |
| clks[IMX6UL_CLK_AXI_PODF] = imx_clk_busy_divider("axi_podf", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0); |
| clks[IMX6UL_CLK_AHB] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1); |
| |
| /* CCGR0 */ |
| clks[IMX6UL_CLK_AIPSTZ1] = imx_clk_gate2("aips_tz1", "ahb", base + 0x68, 0); |
| clks[IMX6UL_CLK_AIPSTZ2] = imx_clk_gate2("aips_tz2", "ahb", base + 0x68, 2); |
| clks[IMX6UL_CLK_APBHDMA] = imx_clk_gate2("apbh_dma", "bch_podf", base + 0x68, 4); |
| clks[IMX6UL_CLK_ASRC_IPG] = imx_clk_gate2_shared("asrc_ipg", "ahb", base + 0x68, 6, &share_count_asrc); |
| clks[IMX6UL_CLK_ASRC_MEM] = imx_clk_gate2_shared("asrc_mem", "ahb", base + 0x68, 6, &share_count_asrc); |
| clks[IMX6UL_CLK_CAAM_MEM] = imx_clk_gate2("caam_mem", "ahb", base + 0x68, 8); |
| clks[IMX6UL_CLK_CAAM_ACLK] = imx_clk_gate2("caam_aclk", "ahb", base + 0x68, 10); |
| clks[IMX6UL_CLK_CAAM_IPG] = imx_clk_gate2("caam_ipg", "ipg", base + 0x68, 12); |
| clks[IMX6UL_CLK_CAN1_IPG] = imx_clk_gate2("can1_ipg", "ipg", base + 0x68, 14); |
| clks[IMX6UL_CLK_CAN1_SERIAL] = imx_clk_gate2("can1_serial", "can_podf", base + 0x68, 16); |
| clks[IMX6UL_CLK_CAN2_IPG] = imx_clk_gate2("can2_ipg", "ipg", base + 0x68, 18); |
| clks[IMX6UL_CLK_CAN2_SERIAL] = imx_clk_gate2("can2_serial", "can_podf", base + 0x68, 20); |
| clks[IMX6UL_CLK_GPT2_BUS] = imx_clk_gate2("gpt_bus", "perclk", base + 0x68, 24); |
| clks[IMX6UL_CLK_GPT2_SERIAL] = imx_clk_gate2("gpt_serial", "perclk", base + 0x68, 26); |
| clks[IMX6UL_CLK_UART2_IPG] = imx_clk_gate2("uart2_ipg", "ipg", base + 0x68, 28); |
| clks[IMX6UL_CLK_UART2_SERIAL] = imx_clk_gate2("uart2_serial", "uart_podf", base + 0x68, 28); |
| clks[IMX6UL_CLK_AIPSTZ3] = imx_clk_gate2("aips_tz3", "ahb", base + 0x68, 30); |
| |
| /* CCGR1 */ |
| clks[IMX6UL_CLK_ECSPI1] = imx_clk_gate2("ecspi1", "ecspi_podf", base + 0x6c, 0); |
| clks[IMX6UL_CLK_ECSPI2] = imx_clk_gate2("ecspi2", "ecspi_podf", base + 0x6c, 2); |
| clks[IMX6UL_CLK_ECSPI3] = imx_clk_gate2("ecspi3", "ecspi_podf", base + 0x6c, 4); |
| clks[IMX6UL_CLK_ECSPI4] = imx_clk_gate2("ecspi4", "ecspi_podf", base + 0x6c, 6); |
| clks[IMX6UL_CLK_ADC2] = imx_clk_gate2("adc2", "ipg", base + 0x6c, 8); |
| clks[IMX6UL_CLK_UART3_IPG] = imx_clk_gate2("uart3_ipg", "ipg", base + 0x6c, 10); |
| clks[IMX6UL_CLK_UART3_SERIAL] = imx_clk_gate2("uart3_serial", "uart_podf", base + 0x6c, 10); |
| clks[IMX6UL_CLK_EPIT1] = imx_clk_gate2("epit1", "perclk", base + 0x6c, 12); |
| clks[IMX6UL_CLK_EPIT2] = imx_clk_gate2("epit2", "perclk", base + 0x6c, 14); |
| clks[IMX6UL_CLK_ADC1] = imx_clk_gate2("adc1", "ipg", base + 0x6c, 16); |
| clks[IMX6UL_CLK_GPT1_BUS] = imx_clk_gate2("gpt1_bus", "perclk", base + 0x6c, 20); |
| clks[IMX6UL_CLK_GPT1_SERIAL] = imx_clk_gate2("gpt1_serial", "perclk", base + 0x6c, 22); |
| clks[IMX6UL_CLK_UART4_IPG] = imx_clk_gate2("uart4_ipg", "ipg", base + 0x6c, 24); |
| clks[IMX6UL_CLK_UART4_SERIAL] = imx_clk_gate2("uart4_serail", "uart_podf", base + 0x6c, 24); |
| |
| /* CCGR2 */ |
| clks[IMX6UL_CLK_CSI] = imx_clk_gate2("csi", "csi_podf", base + 0x70, 2); |
| clks[IMX6UL_CLK_I2C1] = imx_clk_gate2("i2c1", "perclk", base + 0x70, 6); |
| clks[IMX6UL_CLK_I2C2] = imx_clk_gate2("i2c2", "perclk", base + 0x70, 8); |
| clks[IMX6UL_CLK_I2C3] = imx_clk_gate2("i2c3", "perclk", base + 0x70, 10); |
| clks[IMX6UL_CLK_OCOTP] = imx_clk_gate2("ocotp", "ipg", base + 0x70, 12); |
| clks[IMX6UL_CLK_IOMUXC] = imx_clk_gate2("iomuxc", "lcdif_podf", base + 0x70, 14); |
| clks[IMX6UL_CLK_LCDIF_APB] = imx_clk_gate2("lcdif_apb", "axi", base + 0x70, 28); |
| clks[IMX6UL_CLK_PXP] = imx_clk_gate2("pxp", "axi", base + 0x70, 30); |
| |
| /* CCGR3 */ |
| clks[IMX6UL_CLK_UART5_IPG] = imx_clk_gate2("uart5_ipg", "ipg", base + 0x74, 2); |
| clks[IMX6UL_CLK_UART5_SERIAL] = imx_clk_gate2("uart5_serial", "uart_podf", base + 0x74, 2); |
| clks[IMX6UL_CLK_ENET] = imx_clk_gate2("enet", "ipg", base + 0x74, 4); |
| clks[IMX6UL_CLK_ENET_AHB] = imx_clk_gate2("enet_ahb", "ahb", base + 0x74, 4); |
| clks[IMX6UL_CLK_UART6_IPG] = imx_clk_gate2("uart6_ipg", "ipg", base + 0x74, 6); |
| clks[IMX6UL_CLK_UART6_SERIAL] = imx_clk_gate2("uart6_serial", "uart_podf", base + 0x74, 6); |
| clks[IMX6UL_CLK_LCDIF_PIX] = imx_clk_gate2("lcdif_pix", "lcdif_podf", base + 0x74, 10); |
| clks[IMX6UL_CLK_QSPI] = imx_clk_gate2("qspi1", "qspi1_podf", base + 0x74, 14); |
| clks[IMX6UL_CLK_WDOG1] = imx_clk_gate2("wdog1", "ipg", base + 0x74, 16); |
| clks[IMX6UL_CLK_MMDC_P0_FAST] = imx_clk_gate("mmdc_p0_fast", "mmdc_podf", base + 0x74, 20); |
| clks[IMX6UL_CLK_MMDC_P0_IPG] = imx_clk_gate2("mmdc_p0_ipg", "ipg", base + 0x74, 24); |
| clks[IMX6UL_CLK_AXI] = imx_clk_gate("axi", "axi_podf", base + 0x74, 28); |
| |
| /* CCGR4 */ |
| clks[IMX6UL_CLK_PER_BCH] = imx_clk_gate2("per_bch", "bch_podf", base + 0x78, 12); |
| clks[IMX6UL_CLK_PWM1] = imx_clk_gate2("pwm1", "perclk", base + 0x78, 16); |
| clks[IMX6UL_CLK_PWM2] = imx_clk_gate2("pwm2", "perclk", base + 0x78, 18); |
| clks[IMX6UL_CLK_PWM3] = imx_clk_gate2("pwm3", "perclk", base + 0x78, 20); |
| clks[IMX6UL_CLK_PWM4] = imx_clk_gate2("pwm4", "perclk", base + 0x78, 22); |
| clks[IMX6UL_CLK_GPMI_BCH_APB] = imx_clk_gate2("gpmi_bch_apb", "bch_podf", base + 0x78, 24); |
| clks[IMX6UL_CLK_GPMI_BCH] = imx_clk_gate2("gpmi_bch", "gpmi_podf", base + 0x78, 26); |
| clks[IMX6UL_CLK_GPMI_IO] = imx_clk_gate2("gpmi_io", "enfc_podf", base + 0x78, 28); |
| clks[IMX6UL_CLK_GPMI_APB] = imx_clk_gate2("gpmi_apb", "bch_podf", base + 0x78, 30); |
| |
| /* CCGR5 */ |
| clks[IMX6UL_CLK_ROM] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0); |
| clks[IMX6UL_CLK_SDMA] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6); |
| clks[IMX6UL_CLK_WDOG2] = imx_clk_gate2("wdog2", "ipg", base + 0x7c, 10); |
| clks[IMX6UL_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12); |
| clks[IMX6UL_CLK_SPDIF] = imx_clk_gate2_shared("spdif", "spdif_podf", base + 0x7c, 14, &share_count_audio); |
| clks[IMX6UL_CLK_SPDIF_GCLK] = imx_clk_gate2_shared("spdif_gclk", "ipg", base + 0x7c, 14, &share_count_audio); |
| clks[IMX6UL_CLK_SAI3] = imx_clk_gate2_shared("sai3", "sai3_podf", base + 0x7c, 22, &share_count_sai3); |
| clks[IMX6UL_CLK_SAI3_IPG] = imx_clk_gate2_shared("sai3_ipg", "ipg", base + 0x7c, 22, &share_count_sai3); |
| clks[IMX6UL_CLK_UART1_IPG] = imx_clk_gate2("uart1_ipg", "ipg", base + 0x7c, 24); |
| clks[IMX6UL_CLK_UART1_SERIAL] = imx_clk_gate2("uart1_serial", "uart_podf", base + 0x7c, 24); |
| clks[IMX6UL_CLK_UART7_IPG] = imx_clk_gate2("uart7_ipg", "ipg", base + 0x7c, 26); |
| clks[IMX6UL_CLK_UART7_SERIAL] = imx_clk_gate2("uart7_serial", "uart_podf", base + 0x7c, 26); |
| clks[IMX6UL_CLK_SAI1] = imx_clk_gate2_shared("sai1", "sai1_podf", base + 0x7c, 28, &share_count_sai1); |
| clks[IMX6UL_CLK_SAI1_IPG] = imx_clk_gate2_shared("sai1_ipg", "ipg", base + 0x7c, 28, &share_count_sai1); |
| clks[IMX6UL_CLK_SAI2] = imx_clk_gate2_shared("sai2", "sai2_podf", base + 0x7c, 30, &share_count_sai2); |
| clks[IMX6UL_CLK_SAI2_IPG] = imx_clk_gate2_shared("sai2_ipg", "ipg", base + 0x7c, 30, &share_count_sai2); |
| |
| /* CCGR6 */ |
| clks[IMX6UL_CLK_USBOH3] = imx_clk_gate2("usboh3", "ipg", base + 0x80, 0); |
| clks[IMX6UL_CLK_USDHC1] = imx_clk_gate2("usdhc1", "usdhc1_podf", base + 0x80, 2); |
| clks[IMX6UL_CLK_USDHC2] = imx_clk_gate2("usdhc2", "usdhc2_podf", base + 0x80, 4); |
| clks[IMX6UL_CLK_SIM1] = imx_clk_gate2("sim1", "sim_sel", base + 0x80, 6); |
| clks[IMX6UL_CLK_SIM2] = imx_clk_gate2("sim2", "sim_sel", base + 0x80, 8); |
| clks[IMX6UL_CLK_EIM] = imx_clk_gate2("eim", "eim_slow_podf", base + 0x80, 10); |
| clks[IMX6UL_CLK_PWM8] = imx_clk_gate2("pwm8", "perclk", base + 0x80, 16); |
| clks[IMX6UL_CLK_UART8_IPG] = imx_clk_gate2("uart8_ipg", "ipg", base + 0x80, 14); |
| clks[IMX6UL_CLK_UART8_SERIAL] = imx_clk_gate2("uart8_serial", "uart_podf", base + 0x80, 14); |
| clks[IMX6UL_CLK_WDOG3] = imx_clk_gate2("wdog3", "ipg", base + 0x80, 20); |
| clks[IMX6UL_CLK_I2C4] = imx_clk_gate2("i2c4", "perclk", base + 0x80, 24); |
| clks[IMX6UL_CLK_PWM5] = imx_clk_gate2("pwm5", "perclk", base + 0x80, 26); |
| clks[IMX6UL_CLK_PWM6] = imx_clk_gate2("pwm6", "perclk", base + 0x80, 28); |
| clks[IMX6UL_CLK_PWM7] = imx_clk_gate2("pwm7", "perclk", base + 0x80, 30); |
| |
| /* mask handshake of mmdc */ |
| writel_relaxed(BM_CCM_CCDR_MMDC_CH0_MASK, base + CCDR); |
| |
| imx_check_clocks(clks, ARRAY_SIZE(clks)); |
| |
| clk_data.clks = clks; |
| clk_data.clk_num = ARRAY_SIZE(clks); |
| of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); |
| |
| /* |
| * Lower the AHB clock rate before changing the parent clock source, |
| * as AHB clock rate can NOT be higher than 133MHz, but its parent |
| * will be switched from 396MHz PFD to 528MHz PLL in order to increase |
| * AXI clock rate, so we need to lower AHB rate first to make sure at |
| * any time, AHB rate is <= 133MHz. |
| */ |
| clk_set_rate(clks[IMX6UL_CLK_AHB], 99000000); |
| |
| /* Change periph_pre clock to pll2_bus to adjust AXI rate to 264MHz */ |
| clk_set_parent(clks[IMX6UL_CLK_PERIPH_CLK2_SEL], clks[IMX6UL_CLK_PLL3_USB_OTG]); |
| clk_set_parent(clks[IMX6UL_CLK_PERIPH], clks[IMX6UL_CLK_PERIPH_CLK2]); |
| clk_set_parent(clks[IMX6UL_CLK_PERIPH_PRE], clks[IMX6UL_CLK_PLL2_BUS]); |
| clk_set_parent(clks[IMX6UL_CLK_PERIPH], clks[IMX6UL_CLK_PERIPH_PRE]); |
| |
| /* Make sure AHB rate is 132MHz */ |
| clk_set_rate(clks[IMX6UL_CLK_AHB], 132000000); |
| |
| /* set perclk to from OSC */ |
| clk_set_parent(clks[IMX6UL_CLK_PERCLK_SEL], clks[IMX6UL_CLK_OSC]); |
| |
| clk_set_rate(clks[IMX6UL_CLK_ENET_REF], 50000000); |
| clk_set_rate(clks[IMX6UL_CLK_ENET2_REF], 50000000); |
| clk_set_rate(clks[IMX6UL_CLK_CSI], 24000000); |
| |
| /* keep all the clks on just for bringup */ |
| for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) |
| clk_prepare_enable(clks[clks_init_on[i]]); |
| |
| if (IS_ENABLED(CONFIG_USB_MXS_PHY)) { |
| clk_prepare_enable(clks[IMX6UL_CLK_USBPHY1_GATE]); |
| clk_prepare_enable(clks[IMX6UL_CLK_USBPHY2_GATE]); |
| } |
| |
| clk_set_parent(clks[IMX6UL_CLK_CAN_SEL], clks[IMX6UL_CLK_PLL3_60M]); |
| clk_set_parent(clks[IMX6UL_CLK_SIM_PRE_SEL], clks[IMX6UL_CLK_PLL3_USB_OTG]); |
| |
| clk_set_parent(clks[IMX6UL_CLK_ENFC_SEL], clks[IMX6UL_CLK_PLL2_PFD2]); |
| } |
| |
| CLK_OF_DECLARE(imx6ul, "fsl,imx6ul-ccm", imx6ul_clocks_init); |