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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/clk/mediatek/clk-mt2701-g3d.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt2701-g3d.c')
-rw-r--r-- | drivers/clk/mediatek/clk-mt2701-g3d.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt2701-g3d.c b/drivers/clk/mediatek/clk-mt2701-g3d.c new file mode 100644 index 000000000..8d1fc8e33 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt2701-g3d.c @@ -0,0 +1,97 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2018 MediaTek Inc. + * Author: Sean Wang <sean.wang@mediatek.com> + * + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt2701-clk.h> + +#define GATE_G3D(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &g3d_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate_regs g3d_cg_regs = { + .sta_ofs = 0x0, + .set_ofs = 0x4, + .clr_ofs = 0x8, +}; + +static const struct mtk_gate g3d_clks[] = { + GATE_G3D(CLK_G3DSYS_CORE, "g3d_core", "mfg_sel", 0), +}; + +static u16 rst_ofs[] = { 0xc, }; + +static const struct mtk_clk_rst_desc clk_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = rst_ofs, + .rst_bank_nr = ARRAY_SIZE(rst_ofs), +}; + +static int clk_mt2701_g3dsys_init(struct platform_device *pdev) +{ + struct clk_hw_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_G3DSYS_NR); + + mtk_clk_register_gates(node, g3d_clks, ARRAY_SIZE(g3d_clks), + clk_data); + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + dev_err(&pdev->dev, + "could not register clock provider: %s: %d\n", + pdev->name, r); + + mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc); + + return r; +} + +static const struct of_device_id of_match_clk_mt2701_g3d[] = { + { + .compatible = "mediatek,mt2701-g3dsys", + .data = clk_mt2701_g3dsys_init, + }, { + /* sentinel */ + } +}; + +static int clk_mt2701_g3d_probe(struct platform_device *pdev) +{ + int (*clk_init)(struct platform_device *); + int r; + + clk_init = of_device_get_match_data(&pdev->dev); + if (!clk_init) + return -EINVAL; + + r = clk_init(pdev); + if (r) + dev_err(&pdev->dev, + "could not register clock provider: %s: %d\n", + pdev->name, r); + + return r; +} + +static struct platform_driver clk_mt2701_g3d_drv = { + .probe = clk_mt2701_g3d_probe, + .driver = { + .name = "clk-mt2701-g3d", + .of_match_table = of_match_clk_mt2701_g3d, + }, +}; + +builtin_platform_driver(clk_mt2701_g3d_drv); |