diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8188-ipe.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8188-ipe.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8188-ipe.c b/drivers/clk/mediatek/clk-mt8188-ipe.c new file mode 100644 index 000000000000..70a011c1f9ce --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-ipe.c @@ -0,0 +1,68 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2022 MediaTek Inc. + * Author: Garmin Chang <garmin.chang@mediatek.com> + */ + +#include <dt-bindings/clock/mediatek,mt8188-clk.h> +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs ipe_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_IPE(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &ipe_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define IPE_SYS_SMI_LARB_RST_OFF (0xC) + +static const struct mtk_gate ipe_clks[] = { + GATE_IPE(CLK_IPE_DPE, "ipe_dpe", "top_ipe", 0), + GATE_IPE(CLK_IPE_FDVT, "ipe_fdvt", "top_ipe", 1), + GATE_IPE(CLK_IPE_ME, "ipe_me", "top_ipe", 2), + GATE_IPE(CLK_IPESYS_TOP, "ipesys_top", "top_ipe", 3), + GATE_IPE(CLK_IPE_SMI_LARB12, "ipe_smi_larb12", "top_ipe", 4), +}; + +/* Reset for SMI larb 12 */ +static u16 ipe_sys_rst_ofs[] = { + IPE_SYS_SMI_LARB_RST_OFF, +}; + +static const struct mtk_clk_rst_desc ipe_sys_rst_desc = { + .version = MTK_RST_SIMPLE, + .rst_bank_ofs = ipe_sys_rst_ofs, + .rst_bank_nr = ARRAY_SIZE(ipe_sys_rst_ofs), +}; + +static const struct mtk_clk_desc ipe_desc = { + .clks = ipe_clks, + .num_clks = ARRAY_SIZE(ipe_clks), + .rst_desc = &ipe_sys_rst_desc, +}; + +static const struct of_device_id of_match_clk_mt8188_ipe[] = { + { .compatible = "mediatek,mt8188-ipesys", .data = &ipe_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ipe); + +static struct platform_driver clk_mt8188_ipe_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-ipe", + .of_match_table = of_match_clk_mt8188_ipe, + }, +}; + +module_platform_driver(clk_mt8188_ipe_drv); + +MODULE_DESCRIPTION("MediaTek MT8188 Image Processing Engine clocks driver"); +MODULE_LICENSE("GPL"); |
