diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8188-ccu.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8188-ccu.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8188-ccu.c b/drivers/clk/mediatek/clk-mt8188-ccu.c new file mode 100644 index 000000000000..ebc0d3aeee11 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8188-ccu.c @@ -0,0 +1,50 @@ +// 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 ccu_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_CCU(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &ccu_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate ccu_clks[] = { + GATE_CCU(CLK_CCU_LARB27, "ccu_larb27", "top_ccu", 0), + GATE_CCU(CLK_CCU_AHB, "ccu_ahb", "top_ccu", 1), + GATE_CCU(CLK_CCU_CCU0, "ccu_ccu0", "top_ccu", 2), +}; + +static const struct mtk_clk_desc ccu_desc = { + .clks = ccu_clks, + .num_clks = ARRAY_SIZE(ccu_clks), +}; + +static const struct of_device_id of_match_clk_mt8188_ccu[] = { + { .compatible = "mediatek,mt8188-ccusys", .data = &ccu_desc }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, of_match_clk_mt8188_ccu); + +static struct platform_driver clk_mt8188_ccu_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8188-ccu", + .of_match_table = of_match_clk_mt8188_ccu, + }, +}; + +module_platform_driver(clk_mt8188_ccu_drv); +MODULE_LICENSE("GPL"); |