1 // SPDX-License-Identifier: GPL-2.0+
3  * Amlogic Meson-G12A Clock Controller Driver
13 #include <linux/clk-provider.h>
20 #include "clk-mpll.h"
21 #include "clk-pll.h"
22 #include "clk-regmap.h"
23 #include "clk-cpu-dyndiv.h"
24 #include "vid-pll-div.h"
26 #include "meson-eeclk.h"
29 #include <dt-bindings/clock/g12a-clkc.h>
312 		 * b) CCF has a clock hand-off mechanism to make the sure the
348 		 * b) CCF has a clock hand-off mechanism to make the sure the
392 		/* This sub-tree is used a parking clock */
474 		/* This sub-tree is used a parking clock */
621 		/* This sub-tree is used a parking clock */
658 		/* This sub-tree is used a parking clock */
960 		 *    \- cpu_clk_dyn  in g12a_cpu_clk_postmux_notifier_cb()
961 		 *          \- cpu_clk_postmux0  in g12a_cpu_clk_postmux_notifier_cb()
962 		 *                \- cpu_clk_muxX_div  in g12a_cpu_clk_postmux_notifier_cb()
963 		 *                      \- cpu_clk_premux0  in g12a_cpu_clk_postmux_notifier_cb()
964 		 *				\- fclk_div3 or fclk_div2  in g12a_cpu_clk_postmux_notifier_cb()
966 		 *                \- cpu_clk_premux0  in g12a_cpu_clk_postmux_notifier_cb()
967 		 *			\- fclk_div3 or fclk_div2  in g12a_cpu_clk_postmux_notifier_cb()
971 		clk_hw_set_parent(nb_data->cpu_clk_premux1,  in g12a_cpu_clk_postmux_notifier_cb()
972 				  nb_data->xtal);  in g12a_cpu_clk_postmux_notifier_cb()
975 		clk_hw_set_parent(nb_data->cpu_clk_postmux1,  in g12a_cpu_clk_postmux_notifier_cb()
976 				  nb_data->cpu_clk_premux1);  in g12a_cpu_clk_postmux_notifier_cb()
979 		clk_hw_set_parent(nb_data->cpu_clk_dyn,  in g12a_cpu_clk_postmux_notifier_cb()
980 				  nb_data->cpu_clk_postmux1);  in g12a_cpu_clk_postmux_notifier_cb()
985 		 *    \- cpu_clk_dyn  in g12a_cpu_clk_postmux_notifier_cb()
986 		 *          \- cpu_clk_postmux1  in g12a_cpu_clk_postmux_notifier_cb()
987 		 *                \- cpu_clk_premux1  in g12a_cpu_clk_postmux_notifier_cb()
988 		 *                      \- xtal  in g12a_cpu_clk_postmux_notifier_cb()
1003 		clk_hw_set_parent(nb_data->cpu_clk_dyn,  in g12a_cpu_clk_postmux_notifier_cb()
1004 				  nb_data->cpu_clk_postmux0);  in g12a_cpu_clk_postmux_notifier_cb()
1009 		 *    \- cpu_clk_dyn  in g12a_cpu_clk_postmux_notifier_cb()
1010 		 *          \- cpu_clk_postmux0  in g12a_cpu_clk_postmux_notifier_cb()
1011 		 *                \- cpu_clk_muxX_div  in g12a_cpu_clk_postmux_notifier_cb()
1012 		 *                      \- cpu_clk_premux0  in g12a_cpu_clk_postmux_notifier_cb()
1013 		 *				\- fclk_div3 or fclk_div2  in g12a_cpu_clk_postmux_notifier_cb()
1015 		 *                \- cpu_clk_premux0  in g12a_cpu_clk_postmux_notifier_cb()
1016 		 *			\- fclk_div3 or fclk_div2  in g12a_cpu_clk_postmux_notifier_cb()
1063 		 *    \- sys_pll  in g12a_sys_pll_notifier_cb()
1064 		 *          \- sys_pll_dco  in g12a_sys_pll_notifier_cb()
1068 		clk_hw_set_parent(nb_data->cpu_clk,  in g12a_sys_pll_notifier_cb()
1069 				  nb_data->cpu_clk_dyn);  in g12a_sys_pll_notifier_cb()
1074 		 *    \- cpu_clk_dyn  in g12a_sys_pll_notifier_cb()
1075 		 *          \- cpu_clk_dynX  in g12a_sys_pll_notifier_cb()
1076 		 *                \- cpu_clk_dynX_sel  in g12a_sys_pll_notifier_cb()
1077 		 *		     \- cpu_clk_dynX_div  in g12a_sys_pll_notifier_cb()
1078 		 *                      \- xtal/fclk_div2/fclk_div3  in g12a_sys_pll_notifier_cb()
1079 		 *                   \- xtal/fclk_div2/fclk_div3  in g12a_sys_pll_notifier_cb()
1093 		clk_hw_set_parent(nb_data->cpu_clk,  in g12a_sys_pll_notifier_cb()
1094 				  nb_data->sys_pll);  in g12a_sys_pll_notifier_cb()
1100 		 *    \- sys_pll  in g12a_sys_pll_notifier_cb()
1101 		 *          \- sys_pll_dco  in g12a_sys_pll_notifier_cb()
1153 			.index = -1,
1220 			.index = -1,
1257 			.index = -1,
1294 			.index = -1,
1331 			.index = -1,
1844  * The Meson G12A PCIE PLL is fined tuned to deliver a very precise
2004 		 * Display directly handle hdmi pll registers ATM, we need
3921  * muxed by a glitch-free switch. The CCF can manage this glitch-free
3922  * mux because it does top-to-bottom updates the each clock tree and
5432 	struct device *dev = &pdev->dev;  in meson_g12b_dvfs_setup()
5509 	struct device *dev = &pdev->dev;  in meson_g12a_dvfs_setup()
5549 	eeclkc_data = of_device_get_match_data(&pdev->dev);  in meson_g12a_probe()
5551 		return -EINVAL;  in meson_g12a_probe()
5560 	if (g12a_data->dvfs_setup)  in meson_g12a_probe()
5561 		return g12a_data->dvfs_setup(pdev);  in meson_g12a_probe()
5606 		.compatible = "amlogic,g12a-clkc",
5610 		.compatible = "amlogic,g12b-clkc",
5614 		.compatible = "amlogic,sm1-clkc",
5624 		.name	= "g12a-clkc",