diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8192-msdc.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8192-msdc.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8192-msdc.c b/drivers/clk/mediatek/clk-mt8192-msdc.c new file mode 100644 index 000000000000..87c3b79b79cf --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-msdc.c @@ -0,0 +1,85 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8192-clk.h> + +static const struct mtk_gate_regs msdc_cg_regs = { + .set_ofs = 0xb4, + .clr_ofs = 0xb4, + .sta_ofs = 0xb4, +}; + +static const struct mtk_gate_regs msdc_top_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x0, + .sta_ofs = 0x0, +}; + +#define GATE_MSDC(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &msdc_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) + +#define GATE_MSDC_TOP(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &msdc_top_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv) + +static const struct mtk_gate msdc_clks[] = { + GATE_MSDC(CLK_MSDC_AXI_WRAP, "msdc_axi_wrap", "axi_sel", 22), +}; + +static const struct mtk_gate msdc_top_clks[] = { + GATE_MSDC_TOP(CLK_MSDC_TOP_AES_0P, "msdc_top_aes_0p", "aes_msdcfde_sel", 0), + GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_0P, "msdc_top_src_0p", "infra_msdc0_src", 1), + GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_1P, "msdc_top_src_1p", "infra_msdc1_src", 2), + GATE_MSDC_TOP(CLK_MSDC_TOP_SRC_2P, "msdc_top_src_2p", "infra_msdc2_src", 3), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC0, "msdc_top_p_msdc0", "axi_sel", 4), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC1, "msdc_top_p_msdc1", "axi_sel", 5), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_MSDC2, "msdc_top_p_msdc2", "axi_sel", 6), + GATE_MSDC_TOP(CLK_MSDC_TOP_P_CFG, "msdc_top_p_cfg", "axi_sel", 7), + GATE_MSDC_TOP(CLK_MSDC_TOP_AXI, "msdc_top_axi", "axi_sel", 8), + GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_0P, "msdc_top_h_mst_0p", "infra_msdc0", 9), + GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_1P, "msdc_top_h_mst_1p", "infra_msdc1", 10), + GATE_MSDC_TOP(CLK_MSDC_TOP_H_MST_2P, "msdc_top_h_mst_2p", "infra_msdc2", 11), + GATE_MSDC_TOP(CLK_MSDC_TOP_MEM_OFF_DLY_26M, "msdc_top_mem_off_dly_26m", "clk26m", 12), + GATE_MSDC_TOP(CLK_MSDC_TOP_32K, "msdc_top_32k", "clk32k", 13), + GATE_MSDC_TOP(CLK_MSDC_TOP_AHB2AXI_BRG_AXI, "msdc_top_ahb2axi_brg_axi", "axi_sel", 14), +}; + +static const struct mtk_clk_desc msdc_desc = { + .clks = msdc_clks, + .num_clks = ARRAY_SIZE(msdc_clks), +}; + +static const struct mtk_clk_desc msdc_top_desc = { + .clks = msdc_top_clks, + .num_clks = ARRAY_SIZE(msdc_top_clks), +}; + +static const struct of_device_id of_match_clk_mt8192_msdc[] = { + { + .compatible = "mediatek,mt8192-msdc", + .data = &msdc_desc, + }, { + .compatible = "mediatek,mt8192-msdc_top", + .data = &msdc_top_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8192_msdc_drv = { + .probe = mtk_clk_simple_probe, + .driver = { + .name = "clk-mt8192-msdc", + .of_match_table = of_match_clk_mt8192_msdc, + }, +}; + +builtin_platform_driver(clk_mt8192_msdc_drv); |