[mirror_ubuntu-jammy-kernel.git] / drivers / clk / mediatek / clk-mt6779-ipe.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2019 MediaTek Inc.
 * Author: Wendell Lin <wendell.lin@mediatek.com>
 */

#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/mt6779-clk.h>

#include "clk-mtk.h"
#include "clk-gate.h"

static const struct mtk_gate_regs ipe_cg_regs = {
	.set_ofs = 0x0004,
	.clr_ofs = 0x0008,
	.sta_ofs = 0x0000,
};

#define GATE_IPE(_id, _name, _parent, _shift)			\
	GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift,	\
		&mtk_clk_gate_ops_setclr)

static const struct mtk_gate ipe_clks[] = {
	GATE_IPE(CLK_IPE_LARB7, "ipe_larb7", "ipe_sel", 0),
	GATE_IPE(CLK_IPE_LARB8, "ipe_larb8", "ipe_sel", 1),
	GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2),
	GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3),
	GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4),
	GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5),
	GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6),
};

static const struct of_device_id of_match_clk_mt6779_ipe[] = {
	{ .compatible = "mediatek,mt6779-ipesys", },
	{}
};

static int clk_mt6779_ipe_probe(struct platform_device *pdev)
{
	struct clk_onecell_data *clk_data;
	struct device_node *node = pdev->dev.of_node;

	clk_data = mtk_alloc_clk_data(CLK_IPE_NR_CLK);

	mtk_clk_register_gates(node, ipe_clks, ARRAY_SIZE(ipe_clks),
			       clk_data);

	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
}

static struct platform_driver clk_mt6779_ipe_drv = {
	.probe = clk_mt6779_ipe_probe,
	.driver = {
		.name = "clk-mt6779-ipe",
		.of_match_table = of_match_clk_mt6779_ipe,
	},
};

builtin_platform_driver(clk_mt6779_ipe_drv);
Commit	Line	Data
710774e0	1	// SPDX-License-Identifier: GPL-2.0
	2	/*
	3	* Copyright (c) 2019 MediaTek Inc.
	4	* Author: Wendell Lin <wendell.lin@mediatek.com>
	5	*/
	6
	7	#include <linux/clk-provider.h>
	8	#include <linux/platform_device.h>
	9	#include <dt-bindings/clock/mt6779-clk.h>
	10
	11	#include "clk-mtk.h"
	12	#include "clk-gate.h"
	13
	14	static const struct mtk_gate_regs ipe_cg_regs = {
	15	.set_ofs = 0x0004,
	16	.clr_ofs = 0x0008,
	17	.sta_ofs = 0x0000,
	18	};
	19
	20	#define GATE_IPE(_id, _name, _parent, _shift) \
	21	GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, \
	22	&mtk_clk_gate_ops_setclr)
	23
	24	static const struct mtk_gate ipe_clks[] = {
	25	GATE_IPE(CLK_IPE_LARB7, "ipe_larb7", "ipe_sel", 0),
	26	GATE_IPE(CLK_IPE_LARB8, "ipe_larb8", "ipe_sel", 1),
	27	GATE_IPE(CLK_IPE_SMI_SUBCOM, "ipe_smi_subcom", "ipe_sel", 2),
	28	GATE_IPE(CLK_IPE_FD, "ipe_fd", "ipe_sel", 3),
	29	GATE_IPE(CLK_IPE_FE, "ipe_fe", "ipe_sel", 4),
	30	GATE_IPE(CLK_IPE_RSC, "ipe_rsc", "ipe_sel", 5),
	31	GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "ipe_sel", 6),
	32	};
	33
	34	static const struct of_device_id of_match_clk_mt6779_ipe[] = {
	35	{ .compatible = "mediatek,mt6779-ipesys", },
	36	{}
	37	};
	38
	39	static int clk_mt6779_ipe_probe(struct platform_device *pdev)
	40	{
	41	struct clk_onecell_data *clk_data;
	42	struct device_node *node = pdev->dev.of_node;
	43
	44	clk_data = mtk_alloc_clk_data(CLK_IPE_NR_CLK);
	45
	46	mtk_clk_register_gates(node, ipe_clks, ARRAY_SIZE(ipe_clks),
	47	clk_data);
	48
	49	return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
	50	}
	51
	52	static struct platform_driver clk_mt6779_ipe_drv = {
	53	.probe = clk_mt6779_ipe_probe,
	54	.driver = {
	55	.name = "clk-mt6779-ipe",
	56	.of_match_table = of_match_clk_mt6779_ipe,
	57	},
	58	};
	59
	60	builtin_platform_driver(clk_mt6779_ipe_drv);