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95 lines
2.0 KiB
95 lines
2.0 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2018 MediaTek Inc. |
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* Author: Sean Wang <[email protected]> |
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* |
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*/ |
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#include <linux/clk-provider.h> |
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#include <linux/of.h> |
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#include <linux/of_address.h> |
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#include <linux/of_device.h> |
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#include <linux/platform_device.h> |
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#include "clk-mtk.h" |
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#include "clk-gate.h" |
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#include <dt-bindings/clock/mt2701-clk.h> |
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#define GATE_G3D(_id, _name, _parent, _shift) { \ |
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.id = _id, \ |
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.name = _name, \ |
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.parent_name = _parent, \ |
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.regs = &g3d_cg_regs, \ |
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.shift = _shift, \ |
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.ops = &mtk_clk_gate_ops_setclr, \ |
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} |
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static const struct mtk_gate_regs g3d_cg_regs = { |
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.sta_ofs = 0x0, |
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.set_ofs = 0x4, |
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.clr_ofs = 0x8, |
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}; |
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static const struct mtk_gate g3d_clks[] = { |
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GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0), |
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}; |
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static int clk_mt2701_g3dsys_init(struct platform_device *pdev) |
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{ |
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struct clk_onecell_data *clk_data; |
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struct device_node *node = pdev->dev.of_node; |
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int r; |
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clk_data = mtk_alloc_clk_data(CLK_G3DSYS_NR); |
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mtk_clk_register_gates(node, g3d_clks, ARRAY_SIZE(g3d_clks), |
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clk_data); |
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r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); |
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if (r) |
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dev_err(&pdev->dev, |
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"could not register clock provider: %s: %d\n", |
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pdev->name, r); |
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mtk_register_reset_controller(node, 1, 0xc); |
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return r; |
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} |
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static const struct of_device_id of_match_clk_mt2701_g3d[] = { |
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{ |
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.compatible = "mediatek,mt2701-g3dsys", |
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.data = clk_mt2701_g3dsys_init, |
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}, { |
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/* sentinel */ |
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} |
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}; |
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static int clk_mt2701_g3d_probe(struct platform_device *pdev) |
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{ |
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int (*clk_init)(struct platform_device *); |
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int r; |
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clk_init = of_device_get_match_data(&pdev->dev); |
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if (!clk_init) |
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return -EINVAL; |
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r = clk_init(pdev); |
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if (r) |
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dev_err(&pdev->dev, |
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"could not register clock provider: %s: %d\n", |
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pdev->name, r); |
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return r; |
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} |
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static struct platform_driver clk_mt2701_g3d_drv = { |
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.probe = clk_mt2701_g3d_probe, |
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.driver = { |
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.name = "clk-mt2701-g3d", |
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.of_match_table = of_match_clk_mt2701_g3d, |
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}, |
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}; |
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builtin_platform_driver(clk_mt2701_g3d_drv);
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