diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8192-mdp.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8192-mdp.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8192-mdp.c b/drivers/clk/mediatek/clk-mt8192-mdp.c new file mode 100644 index 000000000..4675788d7 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-mdp.c @@ -0,0 +1,83 @@ +// 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 mdp0_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs mdp1_cg_regs = { + .set_ofs = 0x124, + .clr_ofs = 0x128, + .sta_ofs = 0x120, +}; + +#define GATE_MDP0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mdp0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define GATE_MDP1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mdp1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate mdp_clks[] = { + /* MDP0 */ + GATE_MDP0(CLK_MDP_RDMA0, "mdp_mdp_rdma0", "mdp_sel", 0), + GATE_MDP0(CLK_MDP_TDSHP0, "mdp_mdp_tdshp0", "mdp_sel", 1), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC0, "mdp_img_dl_async0", "mdp_sel", 2), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC1, "mdp_img_dl_async1", "mdp_sel", 3), + GATE_MDP0(CLK_MDP_RDMA1, "mdp_mdp_rdma1", "mdp_sel", 4), + GATE_MDP0(CLK_MDP_TDSHP1, "mdp_mdp_tdshp1", "mdp_sel", 5), + GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "mdp_sel", 6), + GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "mdp_sel", 7), + GATE_MDP0(CLK_MDP_WROT0, "mdp_mdp_wrot0", "mdp_sel", 8), + GATE_MDP0(CLK_MDP_RSZ0, "mdp_mdp_rsz0", "mdp_sel", 9), + GATE_MDP0(CLK_MDP_HDR0, "mdp_mdp_hdr0", "mdp_sel", 10), + GATE_MDP0(CLK_MDP_MUTEX0, "mdp_mdp_mutex0", "mdp_sel", 11), + GATE_MDP0(CLK_MDP_WROT1, "mdp_mdp_wrot1", "mdp_sel", 12), + GATE_MDP0(CLK_MDP_RSZ1, "mdp_mdp_rsz1", "mdp_sel", 13), + GATE_MDP0(CLK_MDP_HDR1, "mdp_mdp_hdr1", "mdp_sel", 14), + GATE_MDP0(CLK_MDP_FAKE_ENG0, "mdp_mdp_fake_eng0", "mdp_sel", 15), + GATE_MDP0(CLK_MDP_AAL0, "mdp_mdp_aal0", "mdp_sel", 16), + GATE_MDP0(CLK_MDP_AAL1, "mdp_mdp_aal1", "mdp_sel", 17), + GATE_MDP0(CLK_MDP_COLOR0, "mdp_mdp_color0", "mdp_sel", 18), + GATE_MDP0(CLK_MDP_COLOR1, "mdp_mdp_color1", "mdp_sel", 19), + /* MDP1 */ + GATE_MDP1(CLK_MDP_IMG_DL_RELAY0_ASYNC0, "mdp_img_dl_relay0_async0", "mdp_sel", 0), + GATE_MDP1(CLK_MDP_IMG_DL_RELAY1_ASYNC1, "mdp_img_dl_relay1_async1", "mdp_sel", 8), +}; + +static const struct mtk_clk_desc mdp_desc = { + .clks = mdp_clks, + .num_clks = ARRAY_SIZE(mdp_clks), +}; + +static const struct of_device_id of_match_clk_mt8192_mdp[] = { + { + .compatible = "mediatek,mt8192-mdpsys", + .data = &mdp_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8192_mdp_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8192-mdp", + .of_match_table = of_match_clk_mt8192_mdp, + }, +}; + +builtin_platform_driver(clk_mt8192_mdp_drv); |