Lines Matching +full:clk +full:- +full:output +full:- +full:sel
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright 2011-2013 Freescale Semiconductor, Inc.
10 #include <linux/clk.h>
12 #include <linux/clk-provider.h>
19 #include <dt-bindings/clock/imx6qdl-clock.h>
21 #include "clk.h"
149 return -ENOENT; in ldb_di_sel_by_clock_id()
160 return -ENOENT; in ldb_di_sel_by_clock_id()
170 int parent, child, sel; in of_assigned_ldb_sels() local
172 num_parents = of_count_phandle_with_args(node, "assigned-clock-parents", in of_assigned_ldb_sels()
173 "#clock-cells"); in of_assigned_ldb_sels()
175 rc = of_parse_phandle_with_args(node, "assigned-clock-parents", in of_assigned_ldb_sels()
176 "#clock-cells", index, &clkspec); in of_assigned_ldb_sels()
179 if (rc == -ENOENT) in of_assigned_ldb_sels()
190 rc = of_parse_phandle_with_args(node, "assigned-clocks", in of_assigned_ldb_sels()
191 "#clock-cells", index, &clkspec); in of_assigned_ldb_sels()
204 sel = ldb_di_sel_by_clock_id(parent); in of_assigned_ldb_sels()
205 if (sel < 0) { in of_assigned_ldb_sels()
212 *ldb_di0_sel = sel; in of_assigned_ldb_sels()
214 *ldb_di1_sel = sel; in of_assigned_ldb_sels()
223 num_clocks = of_count_phandle_with_args(node, "assigned-clocks", in pll6_bypassed()
224 "#clock-cells"); in pll6_bypassed()
229 ret = of_parse_phandle_with_args(node, "assigned-clocks", in pll6_bypassed()
230 "#clock-cells", index, in pll6_bypassed()
244 ret = of_parse_phandle_with_args(node, "assigned-clock-parents", in pll6_bypassed()
245 "#clock-cells", index, &clkspec); in pll6_bypassed()
270 clk_set_parent(hws[IMX6QDL_CLK_PERIPH2_CLK2_SEL]->clk, in mmdc_ch1_disable()
271 hws[IMX6QDL_CLK_PLL3_USB_OTG]->clk); in mmdc_ch1_disable()
301 * to decide between the first and second 4-port mux:
303 * pll5_video_div 0 --|\
304 * pll2_pfd0_352m 1 --| |_
305 * pll2_pfd2_396m 2 --| | `-|\
306 * mmdc_ch1_axi 3 --|/ | |
307 * | |--
308 * pll3_usb_otg 4 --|\ | |
309 * 5 --| |_,-|/
310 * 6 --| |
311 * 7 --|/
313 * The ldb_di0/1_clk_sel[1:0] bits control both 4-port muxes at the same time.
314 * The ldb_di0/1_clk_sel[2] bit controls the 2-port mux. The code below
321 unsigned int sel[2][4]; in init_ldb_clks() local
325 sel[0][0] = (reg >> CS2CDR_LDB_DI0_CLK_SEL_SHIFT) & 7; in init_ldb_clks()
326 sel[1][0] = (reg >> CS2CDR_LDB_DI1_CLK_SEL_SHIFT) & 7; in init_ldb_clks()
328 sel[0][3] = sel[0][2] = sel[0][1] = sel[0][0]; in init_ldb_clks()
329 sel[1][3] = sel[1][2] = sel[1][1] = sel[1][0]; in init_ldb_clks()
331 of_assigned_ldb_sels(np, &sel[0][3], &sel[1][3]); in init_ldb_clks()
335 if (sel[i][0] != 3) { in init_ldb_clks()
337 i, sel[i][0]); in init_ldb_clks()
340 if (sel[i][0] == sel[i][3]) in init_ldb_clks()
344 if ((sel[i][0] == 2 || sel[i][3] == 2) && in init_ldb_clks()
345 (clk_get_parent(hws[IMX6QDL_CLK_PERIPH_PRE]->clk) == in init_ldb_clks()
346 hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk)) { in init_ldb_clks()
349 sel[i][3] = sel[i][2] = sel[i][1] = sel[i][0]; in init_ldb_clks()
354 sel[i][1] = sel[i][0] | 4; in init_ldb_clks()
357 sel[i][2] = sel[i][3] | 4; in init_ldb_clks()
359 pr_debug("ccm: switching ldb_di%d_sel: %d->%d->%d->%d\n", i, in init_ldb_clks()
360 sel[i][0], sel[i][1], sel[i][2], sel[i][3]); in init_ldb_clks()
363 if (sel[0][0] == sel[0][3] && sel[1][0] == sel[1][3]) in init_ldb_clks()
372 reg |= ((sel[0][i] << CS2CDR_LDB_DI0_CLK_SEL_SHIFT) | in init_ldb_clks()
373 (sel[1][i] << CS2CDR_LDB_DI1_CLK_SEL_SHIFT)); in init_ldb_clks()
395 /* Make sure PLL2 PFDs 0-2 are gated */ in disable_anatop_clocks()
398 if (clk_get_parent(hws[IMX6QDL_CLK_PERIPH_PRE]->clk) == in disable_anatop_clocks()
399 hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk) in disable_anatop_clocks()
405 /* Make sure PLL3 PFDs 0-3 are gated */ in disable_anatop_clocks()
420 struct clk *clk = of_clk_get_by_name(np, name); in imx6q_obtain_fixed_clk_hw() local
423 if (IS_ERR(clk)) in imx6q_obtain_fixed_clk_hw()
426 hw = __clk_get_hw(clk); in imx6q_obtain_fixed_clk_hw()
442 clk_hw_data->num = IMX6QDL_CLK_END; in imx6q_clocks_init()
443 hws = clk_hw_data->hws; in imx6q_clocks_init()
455 np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop"); in imx6q_clocks_init()
494 clk_set_parent(hws[IMX6QDL_PLL1_BYPASS]->clk, hws[IMX6QDL_CLK_PLL1]->clk); in imx6q_clocks_init()
495 clk_set_parent(hws[IMX6QDL_PLL2_BYPASS]->clk, hws[IMX6QDL_CLK_PLL2]->clk); in imx6q_clocks_init()
496 clk_set_parent(hws[IMX6QDL_PLL3_BYPASS]->clk, hws[IMX6QDL_CLK_PLL3]->clk); in imx6q_clocks_init()
497 clk_set_parent(hws[IMX6QDL_PLL4_BYPASS]->clk, hws[IMX6QDL_CLK_PLL4]->clk); in imx6q_clocks_init()
498 clk_set_parent(hws[IMX6QDL_PLL5_BYPASS]->clk, hws[IMX6QDL_CLK_PLL5]->clk); in imx6q_clocks_init()
499 clk_set_parent(hws[IMX6QDL_PLL6_BYPASS]->clk, hws[IMX6QDL_CLK_PLL6]->clk); in imx6q_clocks_init()
500 clk_set_parent(hws[IMX6QDL_PLL7_BYPASS]->clk, hws[IMX6QDL_CLK_PLL7]->clk); in imx6q_clocks_init()
511 * Bit 20 is the reserved and read-only bit, we do this only for: in imx6q_clocks_init()
512 * - Do nothing for usbphy clk_enable/disable in imx6q_clocks_init()
513 * - Keep refcount when do usbphy clk_enable/disable, in that case, in imx6q_clocks_init()
514 * the clk framework may need to enable/disable usbphy's parent in imx6q_clocks_init()
528 * different post-dividers that are all affected by the single bypass in imx6q_clocks_init()
556 * lvds1_gate and lvds2_gate are pseudo-gates. Both can be in imx6q_clocks_init()
559 * enabling clock output. Initially the gate bits are cleared, as in imx6q_clocks_init()
648 * The LDB_DI0/1_SEL muxes are registered read-only due to a hardware in imx6q_clocks_init()
917 clk_set_rate(hws[IMX6QDL_CLK_PLL3_PFD1_540M]->clk, 540000000); in imx6q_clocks_init()
919 clk_set_parent(hws[IMX6QDL_CLK_IPU1_SEL]->clk, hws[IMX6QDL_CLK_PLL3_PFD1_540M]->clk); in imx6q_clocks_init()
921 clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI0_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk); in imx6q_clocks_init()
922 clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI1_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk); in imx6q_clocks_init()
923 clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI0_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk); in imx6q_clocks_init()
924 clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI1_PRE_SEL]->clk, hws[IMX6QDL_CLK_PLL5_VIDEO_DIV]->clk); in imx6q_clocks_init()
925 clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI0_SEL]->clk, hws[IMX6QDL_CLK_IPU1_DI0_PRE]->clk); in imx6q_clocks_init()
926 clk_set_parent(hws[IMX6QDL_CLK_IPU1_DI1_SEL]->clk, hws[IMX6QDL_CLK_IPU1_DI1_PRE]->clk); in imx6q_clocks_init()
927 clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI0_SEL]->clk, hws[IMX6QDL_CLK_IPU2_DI0_PRE]->clk); in imx6q_clocks_init()
928 clk_set_parent(hws[IMX6QDL_CLK_IPU2_DI1_SEL]->clk, hws[IMX6QDL_CLK_IPU2_DI1_PRE]->clk); in imx6q_clocks_init()
935 clk_set_parent(hws[IMX6QDL_CLK_ENFC_SEL]->clk, hws[IMX6QDL_CLK_PLL2_PFD2_396M]->clk); in imx6q_clocks_init()
938 clk_prepare_enable(hws[IMX6QDL_CLK_USBPHY1_GATE]->clk); in imx6q_clocks_init()
939 clk_prepare_enable(hws[IMX6QDL_CLK_USBPHY2_GATE]->clk); in imx6q_clocks_init()
946 ret = clk_set_parent(hws[IMX6QDL_CLK_CKO2_SEL]->clk, hws[IMX6QDL_CLK_OSC]->clk); in imx6q_clocks_init()
948 ret = clk_set_parent(hws[IMX6QDL_CLK_CKO]->clk, hws[IMX6QDL_CLK_CKO2]->clk); in imx6q_clocks_init()
952 /* Audio-related clocks configuration */ in imx6q_clocks_init()
953 clk_set_parent(hws[IMX6QDL_CLK_SPDIF_SEL]->clk, hws[IMX6QDL_CLK_PLL3_PFD3_454M]->clk); in imx6q_clocks_init()
957 clk_set_parent(hws[IMX6QDL_CLK_LVDS1_SEL]->clk, hws[IMX6QDL_CLK_SATA_REF_100M]->clk); in imx6q_clocks_init()
964 clk_set_parent(hws[IMX6QDL_CLK_GPU3D_CORE_SEL]->clk, in imx6q_clocks_init()
965 hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk); in imx6q_clocks_init()
966 clk_set_parent(hws[IMX6QDL_CLK_GPU2D_CORE_SEL]->clk, in imx6q_clocks_init()
967 hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk); in imx6q_clocks_init()
969 clk_set_parent(hws[IMX6QDL_CLK_GPU3D_CORE_SEL]->clk, in imx6q_clocks_init()
970 hws[IMX6QDL_CLK_MMDC_CH0_AXI]->clk); in imx6q_clocks_init()
971 clk_set_parent(hws[IMX6QDL_CLK_GPU3D_SHADER_SEL]->clk, in imx6q_clocks_init()
972 hws[IMX6QDL_CLK_PLL2_PFD1_594M]->clk); in imx6q_clocks_init()
973 clk_set_parent(hws[IMX6QDL_CLK_GPU2D_CORE_SEL]->clk, in imx6q_clocks_init()
974 hws[IMX6QDL_CLK_PLL3_USB_OTG]->clk); in imx6q_clocks_init()
979 CLK_OF_DECLARE(imx6q, "fsl,imx6q-ccm", imx6q_clocks_init);