Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* Copyright (c) 2017 MediaTek Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Author: Kevin Chen <kevin-cw.chen@mediatek.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <dt-bindings/clock/mt6797-clk.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include "clk-mtk.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "clk-gate.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static const struct mtk_gate_regs img_cg_regs = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	.set_ofs = 0x0004,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	.clr_ofs = 0x0008,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	.sta_ofs = 0x0000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #define GATE_IMG(_id, _name, _parent, _shift) {		\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		.id = _id,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		.name = _name,				\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		.parent_name = _parent,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		.regs = &img_cg_regs,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		.shift = _shift,			\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		.ops = &mtk_clk_gate_ops_setclr,	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static const struct mtk_gate img_clks[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "mm_sel", 11),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_sel", 10),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_sel", 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	GATE_IMG(CLK_IMG_LARB6, "img_larb6", "mm_sel", 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) static const struct of_device_id of_match_clk_mt6797_img[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	{ .compatible = "mediatek,mt6797-imgsys", },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static int clk_mt6797_img_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	struct clk_onecell_data *clk_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	struct device_node *node = pdev->dev.of_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	clk_data = mtk_alloc_clk_data(CLK_IMG_NR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 			       clk_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	if (r)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		dev_err(&pdev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 			"could not register clock provider: %s: %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 			pdev->name, r);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	return r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static struct platform_driver clk_mt6797_img_drv = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	.probe = clk_mt6797_img_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		.name = "clk-mt6797-img",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 		.of_match_table = of_match_clk_mt6797_img,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) builtin_platform_driver(clk_mt6797_img_drv);