1 // SPDX-License-Identifier: GPL-2.0-only
6  * Common Clock Framework support for Exynos5433 SoC.
10 #include <linux/clk-provider.h>
18 #include <dt-bindings/clock/exynos5433.h>
21 #include "clk-cpu.h"
22 #include "clk-pll.h"
183 	/* ISP PLL has to be enabled for suspend: reset value + ENABLE bit */
185 	/* ISP PLL has to be enabled for suspend: reset value + ENABLE bit */
769 	PLL_36XX_RATE(24 * MHZ, 393216003U, 197, 3, 2, -25690),
771 	PLL_36XX_RATE(24 * MHZ, 368639991U, 246, 4, 2, -15729),
772 	PLL_36XX_RATE(24 * MHZ, 361507202U, 181, 3, 2, -16148),
773 	PLL_36XX_RATE(24 * MHZ, 338687988U, 113, 2, 2,  -6816),
777 	PLL_36XX_RATE(24 * MHZ, 196608001U, 197, 3, 3, -25690),
812 CLK_OF_DECLARE(exynos5433_cmu_top, "samsung,exynos5433-cmu-top",
891 CLK_OF_DECLARE(exynos5433_cmu_cpif, "samsung,exynos5433-cmu-cpif",
1543 CLK_OF_DECLARE(exynos5433_cmu_mif, "samsung,exynos5433-cmu-mif",
1571 	/* pclk: sci, pmu, sysreg, gpio_{finger, ese, touch, nfc}, uart2-0 */
1573 	/* sclk: uart2-0 */
1745 CLK_OF_DECLARE(exynos5433_cmu_peric, "samsung,exynos5433-cmu-peric",
1937 CLK_OF_DECLARE(exynos5433_cmu_peris, "samsung,exynos5433-cmu-peris",
2739 	GATE(CLK_ACLK_BTS_DECON_TV_M0, "aclk-bts_decon_tv_m0",
3220 		"samsung,exynos5433-cmu-bus"#id,			\
3705 CLK_OF_DECLARE(exynos5433_cmu_apollo, "samsung,exynos5433-cmu-apollo",
3950 CLK_OF_DECLARE(exynos5433_cmu_atlas, "samsung,exynos5433-cmu-atlas",
4697 					    "mout_aclk-cam0_400_user", };
5326 	GATE(CLK_ACLK_AHBDN_ISP5P, "aclk_aclk-shbdn_isp5p",
5500 	samsung_clk_save(data->ctx.reg_base, data->clk_save,  in exynos5433_cmu_suspend()
5501 			 data->nr_clk_save);  in exynos5433_cmu_suspend()
5503 	for (i = 0; i < data->nr_pclks; i++)  in exynos5433_cmu_suspend()
5504 		clk_prepare_enable(data->pclks[i]);  in exynos5433_cmu_suspend()
5507 	samsung_clk_restore(data->ctx.reg_base, data->clk_suspend,  in exynos5433_cmu_suspend()
5508 			    data->nr_clk_suspend);  in exynos5433_cmu_suspend()
5510 	for (i = 0; i < data->nr_pclks; i++)  in exynos5433_cmu_suspend()
5511 		clk_disable_unprepare(data->pclks[i]);  in exynos5433_cmu_suspend()
5513 	clk_disable_unprepare(data->clk);  in exynos5433_cmu_suspend()
5523 	clk_prepare_enable(data->clk);  in exynos5433_cmu_resume()
5525 	for (i = 0; i < data->nr_pclks; i++)  in exynos5433_cmu_resume()
5526 		clk_prepare_enable(data->pclks[i]);  in exynos5433_cmu_resume()
5528 	samsung_clk_restore(data->ctx.reg_base, data->clk_save,  in exynos5433_cmu_resume()
5529 			    data->nr_clk_save);  in exynos5433_cmu_resume()
5531 	for (i = 0; i < data->nr_pclks; i++)  in exynos5433_cmu_resume()
5532 		clk_disable_unprepare(data->pclks[i]);  in exynos5433_cmu_resume()
5542 	struct device *dev = &pdev->dev;  in exynos5433_cmu_probe()
5549 			    struct_size(data, ctx.clk_data.hws, info->nr_clk_ids),  in exynos5433_cmu_probe()
5552 		return -ENOMEM;  in exynos5433_cmu_probe()
5553 	ctx = &data->ctx;  in exynos5433_cmu_probe()
5559 	for (i = 0; i < info->nr_clk_ids; ++i)  in exynos5433_cmu_probe()
5560 		ctx->clk_data.hws[i] = ERR_PTR(-ENOENT);  in exynos5433_cmu_probe()
5562 	ctx->clk_data.num = info->nr_clk_ids;  in exynos5433_cmu_probe()
5563 	ctx->reg_base = reg_base;  in exynos5433_cmu_probe()
5564 	ctx->dev = dev;  in exynos5433_cmu_probe()
5565 	spin_lock_init(&ctx->lock);  in exynos5433_cmu_probe()
5567 	data->clk_save = samsung_clk_alloc_reg_dump(info->clk_regs,  in exynos5433_cmu_probe()
5568 						    info->nr_clk_regs);  in exynos5433_cmu_probe()
5569 	if (!data->clk_save)  in exynos5433_cmu_probe()
5570 		return -ENOMEM;  in exynos5433_cmu_probe()
5571 	data->nr_clk_save = info->nr_clk_regs;  in exynos5433_cmu_probe()
5572 	data->clk_suspend = info->suspend_regs;  in exynos5433_cmu_probe()
5573 	data->nr_clk_suspend = info->nr_suspend_regs;  in exynos5433_cmu_probe()
5574 	data->nr_pclks = of_clk_get_parent_count(dev->of_node);  in exynos5433_cmu_probe()
5576 	if (data->nr_pclks > 0) {  in exynos5433_cmu_probe()
5577 		data->pclks = devm_kcalloc(dev, sizeof(struct clk *),  in exynos5433_cmu_probe()
5578 					   data->nr_pclks, GFP_KERNEL);  in exynos5433_cmu_probe()
5579 		if (!data->pclks) {  in exynos5433_cmu_probe()
5580 			kfree(data->clk_save);  in exynos5433_cmu_probe()
5581 			return -ENOMEM;  in exynos5433_cmu_probe()
5583 		for (i = 0; i < data->nr_pclks; i++) {  in exynos5433_cmu_probe()
5584 			struct clk *clk = of_clk_get(dev->of_node, i);  in exynos5433_cmu_probe()
5587 				kfree(data->clk_save);  in exynos5433_cmu_probe()
5588 				while (--i >= 0)  in exynos5433_cmu_probe()
5589 					clk_put(data->pclks[i]);  in exynos5433_cmu_probe()
5592 			data->pclks[i] = clk;  in exynos5433_cmu_probe()
5596 	if (info->clk_name)  in exynos5433_cmu_probe()
5597 		data->clk = clk_get(dev, info->clk_name);  in exynos5433_cmu_probe()
5598 	clk_prepare_enable(data->clk);  in exynos5433_cmu_probe()
5612 	if (info->pll_clks)  in exynos5433_cmu_probe()
5613 		samsung_clk_register_pll(ctx, info->pll_clks, info->nr_pll_clks,  in exynos5433_cmu_probe()
5615 	if (info->mux_clks)  in exynos5433_cmu_probe()
5616 		samsung_clk_register_mux(ctx, info->mux_clks,  in exynos5433_cmu_probe()
5617 					 info->nr_mux_clks);  in exynos5433_cmu_probe()
5618 	if (info->div_clks)  in exynos5433_cmu_probe()
5619 		samsung_clk_register_div(ctx, info->div_clks,  in exynos5433_cmu_probe()
5620 					 info->nr_div_clks);  in exynos5433_cmu_probe()
5621 	if (info->gate_clks)  in exynos5433_cmu_probe()
5622 		samsung_clk_register_gate(ctx, info->gate_clks,  in exynos5433_cmu_probe()
5623 					  info->nr_gate_clks);  in exynos5433_cmu_probe()
5624 	if (info->fixed_clks)  in exynos5433_cmu_probe()
5625 		samsung_clk_register_fixed_rate(ctx, info->fixed_clks,  in exynos5433_cmu_probe()
5626 						info->nr_fixed_clks);  in exynos5433_cmu_probe()
5627 	if (info->fixed_factor_clks)  in exynos5433_cmu_probe()
5628 		samsung_clk_register_fixed_factor(ctx, info->fixed_factor_clks,  in exynos5433_cmu_probe()
5629 						  info->nr_fixed_factor_clks);  in exynos5433_cmu_probe()
5631 	samsung_clk_of_add_provider(dev->of_node, ctx);  in exynos5433_cmu_probe()
5639 		.compatible = "samsung,exynos5433-cmu-aud",
5642 		.compatible = "samsung,exynos5433-cmu-cam0",
5645 		.compatible = "samsung,exynos5433-cmu-cam1",
5648 		.compatible = "samsung,exynos5433-cmu-disp",
5651 		.compatible = "samsung,exynos5433-cmu-g2d",
5654 		.compatible = "samsung,exynos5433-cmu-g3d",
5657 		.compatible = "samsung,exynos5433-cmu-fsys",
5660 		.compatible = "samsung,exynos5433-cmu-gscl",
5663 		.compatible = "samsung,exynos5433-cmu-mfc",
5666 		.compatible = "samsung,exynos5433-cmu-hevc",
5669 		.compatible = "samsung,exynos5433-cmu-isp",
5672 		.compatible = "samsung,exynos5433-cmu-mscl",
5675 		.compatible = "samsung,exynos5433-cmu-imem",
5690 		.name = "exynos5433-cmu",