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- // SPDX-License-Identifier: GPL-2.0-only
- /*
- * Copyright (c) 2017 MediaTek Inc.
- * Author: Weiyi Lu <weiyi.lu@mediatek.com>
- */
- #include <linux/clk-provider.h>
- #include <linux/platform_device.h>
- #include "clk-mtk.h"
- #include "clk-gate.h"
- #include <dt-bindings/clock/mt2712-clk.h>
- static const struct mtk_gate_regs vdec0_cg_regs = {
- .set_ofs = 0x0,
- .clr_ofs = 0x4,
- .sta_ofs = 0x0,
- };
- static const struct mtk_gate_regs vdec1_cg_regs = {
- .set_ofs = 0x8,
- .clr_ofs = 0xc,
- .sta_ofs = 0x8,
- };
- #define GATE_VDEC0(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &vdec0_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr_inv, \
- }
- #define GATE_VDEC1(_id, _name, _parent, _shift) { \
- .id = _id, \
- .name = _name, \
- .parent_name = _parent, \
- .regs = &vdec1_cg_regs, \
- .shift = _shift, \
- .ops = &mtk_clk_gate_ops_setclr_inv, \
- }
- static const struct mtk_gate vdec_clks[] = {
- /* VDEC0 */
- GATE_VDEC0(CLK_VDEC_CKEN, "vdec_cken", "vdec_sel", 0),
- /* VDEC1 */
- GATE_VDEC1(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "vdec_sel", 0),
- GATE_VDEC1(CLK_VDEC_IMGRZ_CKEN, "vdec_imgrz_cken", "vdec_sel", 1),
- };
- static int clk_mt2712_vdec_probe(struct platform_device *pdev)
- {
- struct clk_onecell_data *clk_data;
- int r;
- struct device_node *node = pdev->dev.of_node;
- clk_data = mtk_alloc_clk_data(CLK_VDEC_NR_CLK);
- mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks),
- clk_data);
- r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
- if (r != 0)
- pr_err("%s(): could not register clock provider: %d\n",
- __func__, r);
- return r;
- }
- static const struct of_device_id of_match_clk_mt2712_vdec[] = {
- { .compatible = "mediatek,mt2712-vdecsys", },
- {}
- };
- static struct platform_driver clk_mt2712_vdec_drv = {
- .probe = clk_mt2712_vdec_probe,
- .driver = {
- .name = "clk-mt2712-vdec",
- .of_match_table = of_match_clk_mt2712_vdec,
- },
- };
- builtin_platform_driver(clk_mt2712_vdec_drv);
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