diff options
| author | Chun-Jie Chen <chun-jie.chen@mediatek.com> | 2022-04-09 16:22:50 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2022-04-26 02:59:40 +0300 |
| commit | 8c3adc5d2e14a4c35fcef8afdf777b8d2a99ea60 (patch) | |
| tree | cba6a1a7cd69e7b29c2d8bde00bfae03de874d36 /drivers/clk/mediatek/clk-mt8186-mdp.c | |
| parent | 6f2e1208249fde5bfdaac98affff955c49cb5da2 (diff) | |
| download | linux-8c3adc5d2e14a4c35fcef8afdf777b8d2a99ea60.tar.xz | |
clk: mediatek: Add MT8186 mdpsys clock support
Add MT8186 mdpsys clock controller which provides clock gate
control in Multimedia Data Path.
Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Miles Chen <miles.chen@mediatek.com>
Link: https://lore.kernel.org/r/20220409132251.31725-15-chun-jie.chen@mediatek.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8186-mdp.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8186-mdp.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8186-mdp.c b/drivers/clk/mediatek/clk-mt8186-mdp.c new file mode 100644 index 000000000000..05174088ef20 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8186-mdp.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2022 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> +#include <dt-bindings/clock/mt8186-clk.h> + +#include "clk-gate.h" +#include "clk-mtk.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 mdp2_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_MDP2(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mdp2_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate mdp_clks[] = { + /* MDP0 */ + GATE_MDP0(CLK_MDP_RDMA0, "mdp_rdma0", "top_mdp", 0), + GATE_MDP0(CLK_MDP_TDSHP0, "mdp_tdshp0", "top_mdp", 1), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC0, "mdp_img_dl_async0", "top_mdp", 2), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC1, "mdp_img_dl_async1", "top_mdp", 3), + GATE_MDP0(CLK_MDP_DISP_RDMA, "mdp_disp_rdma", "top_mdp", 4), + GATE_MDP0(CLK_MDP_HMS, "mdp_hms", "top_mdp", 5), + GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "top_mdp", 6), + GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "top_mdp", 7), + GATE_MDP0(CLK_MDP_WROT0, "mdp_wrot0", "top_mdp", 8), + GATE_MDP0(CLK_MDP_RSZ0, "mdp_rsz0", "top_mdp", 9), + GATE_MDP0(CLK_MDP_HDR0, "mdp_hdr0", "top_mdp", 10), + GATE_MDP0(CLK_MDP_MUTEX0, "mdp_mutex0", "top_mdp", 11), + GATE_MDP0(CLK_MDP_WROT1, "mdp_wrot1", "top_mdp", 12), + GATE_MDP0(CLK_MDP_RSZ1, "mdp_rsz1", "top_mdp", 13), + GATE_MDP0(CLK_MDP_FAKE_ENG0, "mdp_fake_eng0", "top_mdp", 14), + GATE_MDP0(CLK_MDP_AAL0, "mdp_aal0", "top_mdp", 15), + GATE_MDP0(CLK_MDP_DISP_WDMA, "mdp_disp_wdma", "top_mdp", 16), + GATE_MDP0(CLK_MDP_COLOR, "mdp_color", "top_mdp", 17), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC2, "mdp_img_dl_async2", "top_mdp", 18), + /* MDP2 */ + GATE_MDP2(CLK_MDP_IMG_DL_RELAY0_ASYNC0, "mdp_img_dl_rel0_as0", "top_mdp", 0), + GATE_MDP2(CLK_MDP_IMG_DL_RELAY1_ASYNC1, "mdp_img_dl_rel1_as1", "top_mdp", 8), + GATE_MDP2(CLK_MDP_IMG_DL_RELAY2_ASYNC2, "mdp_img_dl_rel2_as2", "top_mdp", 24), +}; + +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_mt8186_mdp[] = { + { + .compatible = "mediatek,mt8186-mdpsys", + .data = &mdp_desc, + }, { + /* sentinel */ + } +}; + +static struct platform_driver clk_mt8186_mdp_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8186-mdp", + .of_match_table = of_match_clk_mt8186_mdp, + }, +}; +builtin_platform_driver(clk_mt8186_mdp_drv); |