diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt6735-mfgcfg.c')
-rw-r--r-- | drivers/clk/mediatek/clk-mt6735-mfgcfg.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6735-mfgcfg.c b/drivers/clk/mediatek/clk-mt6735-mfgcfg.c new file mode 100644 index 000000000000..1f5aedddf209 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt6735-mfgcfg.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com> + */ + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-gate.h" +#include "clk-mtk.h" + +#include <dt-bindings/clock/mediatek,mt6735-mfgcfg.h> + +#define MFG_CG_CON 0x00 +#define MFG_CG_SET 0x04 +#define MFG_CG_CLR 0x08 +#define MFG_RESET 0x0c + +static struct mtk_gate_regs mfgcfg_cg_regs = { + .set_ofs = MFG_CG_SET, + .clr_ofs = MFG_CG_CLR, + .sta_ofs = MFG_CG_CON, +}; + +static const struct mtk_gate mfgcfg_gates[] = { + GATE_MTK(CLK_MFG_BG3D, "bg3d", "mfg_sel", &mfgcfg_cg_regs, 0, &mtk_clk_gate_ops_setclr), +}; + +static u16 mfgcfg_rst_ofs[] = { MFG_RESET }; + +static const struct mtk_clk_rst_desc mfgcfg_resets = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = mfgcfg_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(mfgcfg_rst_ofs) +}; + +static const struct mtk_clk_desc mfgcfg_clks = { + .clks = mfgcfg_gates, + .num_clks = ARRAY_SIZE(mfgcfg_gates), + + .rst_desc = &mfgcfg_resets +}; + +static const struct of_device_id of_match_mt6735_mfgcfg[] = { + { .compatible = "mediatek,mt6735-mfgcfg", .data = &mfgcfg_clks }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt6735_mfgcfg = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt6735-mfgcfg", + .of_match_table = of_match_mt6735_mfgcfg, + }, +}; +module_platform_driver(clk_mt6735_mfgcfg); + +MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>"); +MODULE_DESCRIPTION("Mediatek MT6735 mfgcfg clock and reset driver"); +MODULE_LICENSE("GPL"); |