diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8195-vdo0.c')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt8195-vdo0.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8195-vdo0.c b/drivers/clk/mediatek/clk-mt8195-vdo0.c new file mode 100644 index 000000000..07b46bfd5 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8195-vdo0.c @@ -0,0 +1,146 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2021 MediaTek Inc. +// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com> + +#include "clk-gate.h" +#include "clk-mtk.h" + +#include <dt-bindings/clock/mt8195-clk.h> +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +static const struct mtk_gate_regs vdo0_0_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs vdo0_1_cg_regs = { + .set_ofs = 0x114, + .clr_ofs = 0x118, + .sta_ofs = 0x110, +}; + +static const struct mtk_gate_regs vdo0_2_cg_regs = { + .set_ofs = 0x124, + .clr_ofs = 0x128, + .sta_ofs = 0x120, +}; + +#define GATE_VDO0_0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdo0_0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define GATE_VDO0_1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdo0_1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define GATE_VDO0_2(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdo0_2_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define GATE_VDO0_2_FLAGS(_id, _name, _parent, _shift, _flags) \ + GATE_MTK_FLAGS(_id, _name, _parent, &vdo0_2_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, _flags) + +static const struct mtk_gate vdo0_clks[] = { + /* VDO0_0 */ + GATE_VDO0_0(CLK_VDO0_DISP_OVL0, "vdo0_disp_ovl0", "top_vpp", 0), + GATE_VDO0_0(CLK_VDO0_DISP_COLOR0, "vdo0_disp_color0", "top_vpp", 2), + GATE_VDO0_0(CLK_VDO0_DISP_COLOR1, "vdo0_disp_color1", "top_vpp", 3), + GATE_VDO0_0(CLK_VDO0_DISP_CCORR0, "vdo0_disp_ccorr0", "top_vpp", 4), + GATE_VDO0_0(CLK_VDO0_DISP_CCORR1, "vdo0_disp_ccorr1", "top_vpp", 5), + GATE_VDO0_0(CLK_VDO0_DISP_AAL0, "vdo0_disp_aal0", "top_vpp", 6), + GATE_VDO0_0(CLK_VDO0_DISP_AAL1, "vdo0_disp_aal1", "top_vpp", 7), + GATE_VDO0_0(CLK_VDO0_DISP_GAMMA0, "vdo0_disp_gamma0", "top_vpp", 8), + GATE_VDO0_0(CLK_VDO0_DISP_GAMMA1, "vdo0_disp_gamma1", "top_vpp", 9), + GATE_VDO0_0(CLK_VDO0_DISP_DITHER0, "vdo0_disp_dither0", "top_vpp", 10), + GATE_VDO0_0(CLK_VDO0_DISP_DITHER1, "vdo0_disp_dither1", "top_vpp", 11), + GATE_VDO0_0(CLK_VDO0_DISP_OVL1, "vdo0_disp_ovl1", "top_vpp", 16), + GATE_VDO0_0(CLK_VDO0_DISP_WDMA0, "vdo0_disp_wdma0", "top_vpp", 17), + GATE_VDO0_0(CLK_VDO0_DISP_WDMA1, "vdo0_disp_wdma1", "top_vpp", 18), + GATE_VDO0_0(CLK_VDO0_DISP_RDMA0, "vdo0_disp_rdma0", "top_vpp", 19), + GATE_VDO0_0(CLK_VDO0_DISP_RDMA1, "vdo0_disp_rdma1", "top_vpp", 20), + GATE_VDO0_0(CLK_VDO0_DSI0, "vdo0_dsi0", "top_vpp", 21), + GATE_VDO0_0(CLK_VDO0_DSI1, "vdo0_dsi1", "top_vpp", 22), + GATE_VDO0_0(CLK_VDO0_DSC_WRAP0, "vdo0_dsc_wrap0", "top_vpp", 23), + GATE_VDO0_0(CLK_VDO0_VPP_MERGE0, "vdo0_vpp_merge0", "top_vpp", 24), + GATE_VDO0_0(CLK_VDO0_DP_INTF0, "vdo0_dp_intf0", "top_vpp", 25), + GATE_VDO0_0(CLK_VDO0_DISP_MUTEX0, "vdo0_disp_mutex0", "top_vpp", 26), + GATE_VDO0_0(CLK_VDO0_DISP_IL_ROT0, "vdo0_disp_il_rot0", "top_vpp", 27), + GATE_VDO0_0(CLK_VDO0_APB_BUS, "vdo0_apb_bus", "top_vpp", 28), + GATE_VDO0_0(CLK_VDO0_FAKE_ENG0, "vdo0_fake_eng0", "top_vpp", 29), + GATE_VDO0_0(CLK_VDO0_FAKE_ENG1, "vdo0_fake_eng1", "top_vpp", 30), + /* VDO0_1 */ + GATE_VDO0_1(CLK_VDO0_DL_ASYNC0, "vdo0_dl_async0", "top_vpp", 0), + GATE_VDO0_1(CLK_VDO0_DL_ASYNC1, "vdo0_dl_async1", "top_vpp", 1), + GATE_VDO0_1(CLK_VDO0_DL_ASYNC2, "vdo0_dl_async2", "top_vpp", 2), + GATE_VDO0_1(CLK_VDO0_DL_ASYNC3, "vdo0_dl_async3", "top_vpp", 3), + GATE_VDO0_1(CLK_VDO0_DL_ASYNC4, "vdo0_dl_async4", "top_vpp", 4), + GATE_VDO0_1(CLK_VDO0_DISP_MONITOR0, "vdo0_disp_monitor0", "top_vpp", 5), + GATE_VDO0_1(CLK_VDO0_DISP_MONITOR1, "vdo0_disp_monitor1", "top_vpp", 6), + GATE_VDO0_1(CLK_VDO0_DISP_MONITOR2, "vdo0_disp_monitor2", "top_vpp", 7), + GATE_VDO0_1(CLK_VDO0_DISP_MONITOR3, "vdo0_disp_monitor3", "top_vpp", 8), + GATE_VDO0_1(CLK_VDO0_DISP_MONITOR4, "vdo0_disp_monitor4", "top_vpp", 9), + GATE_VDO0_1(CLK_VDO0_SMI_GALS, "vdo0_smi_gals", "top_vpp", 10), + GATE_VDO0_1(CLK_VDO0_SMI_COMMON, "vdo0_smi_common", "top_vpp", 11), + GATE_VDO0_1(CLK_VDO0_SMI_EMI, "vdo0_smi_emi", "top_vpp", 12), + GATE_VDO0_1(CLK_VDO0_SMI_IOMMU, "vdo0_smi_iommu", "top_vpp", 13), + GATE_VDO0_1(CLK_VDO0_SMI_LARB, "vdo0_smi_larb", "top_vpp", 14), + GATE_VDO0_1(CLK_VDO0_SMI_RSI, "vdo0_smi_rsi", "top_vpp", 15), + /* VDO0_2 */ + GATE_VDO0_2(CLK_VDO0_DSI0_DSI, "vdo0_dsi0_dsi", "top_dsi_occ", 0), + GATE_VDO0_2(CLK_VDO0_DSI1_DSI, "vdo0_dsi1_dsi", "top_dsi_occ", 8), + GATE_VDO0_2_FLAGS(CLK_VDO0_DP_INTF0_DP_INTF, "vdo0_dp_intf0_dp_intf", + "top_edp", 16, CLK_SET_RATE_PARENT), +}; + +static int clk_mt8195_vdo0_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + struct clk_hw_onecell_data *clk_data; + int r; + + clk_data = mtk_alloc_clk_data(CLK_VDO0_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, vdo0_clks, ARRAY_SIZE(vdo0_clks), clk_data); + if (r) + goto free_vdo0_data; + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + if (r) + goto unregister_gates; + + platform_set_drvdata(pdev, clk_data); + + return r; + +unregister_gates: + mtk_clk_unregister_gates(vdo0_clks, ARRAY_SIZE(vdo0_clks), clk_data); +free_vdo0_data: + mtk_free_clk_data(clk_data); + return r; +} + +static int clk_mt8195_vdo0_remove(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *node = dev->parent->of_node; + struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev); + + of_clk_del_provider(node); + mtk_clk_unregister_gates(vdo0_clks, ARRAY_SIZE(vdo0_clks), clk_data); + mtk_free_clk_data(clk_data); + + return 0; +} + +static struct platform_driver clk_mt8195_vdo0_drv = { + .probe = clk_mt8195_vdo0_probe, + .remove = clk_mt8195_vdo0_remove, + .driver = { + .name = "clk-mt8195-vdo0", + }, +}; +builtin_platform_driver(clk_mt8195_vdo0_drv); |