Messages in this thread | | | Date | Tue, 14 Mar 2023 10:13:57 +0100 | Subject | Re: [PATCH v6 12/19] clk: mediatek: Add MT8188 vdosys0 clock support | From | AngeloGioacchino Del Regno <> |
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Il 09/03/23 14:54, Garmin.Chang ha scritto: > Add MT8188 vdosys0 clock controller which provides clock gate > control in video system. This is integrated with mtk-mmsys > driver which will populate device by platform_device_register_data > to start vdosys clock driver. > > Signed-off-by: Garmin.Chang <Garmin.Chang@mediatek.com> > --- > drivers/clk/mediatek/Makefile | 3 +- > drivers/clk/mediatek/clk-mt8188-vdo0.c | 135 +++++++++++++++++++++++++ > 2 files changed, 137 insertions(+), 1 deletion(-) > create mode 100644 drivers/clk/mediatek/clk-mt8188-vdo0.c > > diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile > index bf8e50b54bb4..fca66c37cecc 100644 > --- a/drivers/clk/mediatek/Makefile > +++ b/drivers/clk/mediatek/Makefile > @@ -94,7 +94,8 @@ obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o clk-mt8186-topckgen.o clk-mt > obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o \ > clk-mt8188-peri_ao.o clk-mt8188-infra_ao.o \ > clk-mt8188-cam.o clk-mt8188-ccu.o clk-mt8188-img.o \ > - clk-mt8188-ipe.o clk-mt8188-mfg.o clk-mt8188-vdec.o > + clk-mt8188-ipe.o clk-mt8188-mfg.o clk-mt8188-vdec.o \ > + clk-mt8188-vdo0.o > obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192.o > obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o > obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o > diff --git a/drivers/clk/mediatek/clk-mt8188-vdo0.c b/drivers/clk/mediatek/clk-mt8188-vdo0.c > new file mode 100644 > index 000000000000..f649f603aab7 > --- /dev/null > +++ b/drivers/clk/mediatek/clk-mt8188-vdo0.c > @@ -0,0 +1,135 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +// > +// Copyright (c) 2022 MediaTek Inc. > +// Author: Garmin Chang <garmin.chang@mediatek.com> > + > +#include <linux/clk-provider.h> > +#include <linux/platform_device.h> > +#include <dt-bindings/clock/mediatek,mt8188-clk.h> > + > +#include "clk-gate.h" > +#include "clk-mtk.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_FAKE_ENG0, "vdo0_fake_eng0", "top_vpp", 2), > + GATE_VDO0_0(CLK_VDO0_DISP_CCORR0, "vdo0_disp_ccorr0", "top_vpp", 4), > + GATE_VDO0_0(CLK_VDO0_DISP_MUTEX0, "vdo0_disp_mutex0", "top_vpp", 6), > + GATE_VDO0_0(CLK_VDO0_DISP_GAMMA0, "vdo0_disp_gamma0", "top_vpp", 8), > + GATE_VDO0_0(CLK_VDO0_DISP_DITHER0, "vdo0_disp_dither0", "top_vpp", 10), > + GATE_VDO0_0(CLK_VDO0_DISP_WDMA0, "vdo0_disp_wdma0", "top_vpp", 17), > + GATE_VDO0_0(CLK_VDO0_DISP_RDMA0, "vdo0_disp_rdma0", "top_vpp", 19), > + 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_AAL0, "vdo0_disp_aal0", "top_vpp", 26), > + GATE_VDO0_0(CLK_VDO0_INLINEROT0, "vdo0_inlinerot0", "top_vpp", 27), > + GATE_VDO0_0(CLK_VDO0_APB_BUS, "vdo0_apb_bus", "top_vpp", 28), > + GATE_VDO0_0(CLK_VDO0_DISP_COLOR0, "vdo0_disp_color0", "top_vpp", 29), > + GATE_VDO0_0(CLK_VDO0_MDP_WROT0, "vdo0_mdp_wrot0", "top_vpp", 30), > + GATE_VDO0_0(CLK_VDO0_DISP_RSZ0, "vdo0_disp_rsz0", "top_vpp", 31), > + /* VDO0_1 */ > + GATE_VDO0_1(CLK_VDO0_DISP_POSTMASK0, "vdo0_disp_postmask0", "top_vpp", 0), > + GATE_VDO0_1(CLK_VDO0_FAKE_ENG1, "vdo0_fake_eng1", "top_vpp", 1), > + GATE_VDO0_1(CLK_VDO0_DL_ASYNC2, "vdo0_dl_async2", "top_vpp", 5), > + GATE_VDO0_1(CLK_VDO0_DL_RELAY3, "vdo0_dl_relay3", "top_vpp", 6), > + GATE_VDO0_1(CLK_VDO0_DL_RELAY4, "vdo0_dl_relay4", "top_vpp", 7), > + 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_mt8188_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(&pdev->dev, 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_mt8188_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 const struct mtk_clk_desc vdo0_desc = { .clks ... .num_clks .... };
static const struct platform_device_id clk_mt8188_vdo0_id_table[] = { { .name = "clk-mt8188-vdo0", .driver_data = (kernel_ulong_T)&vdo0_desc }, { /* sentinel */ } };
> +static struct platform_driver clk_mt8188_vdo0_drv = { > + .probe = clk_mt8188_vdo0_probe, > + .remove = clk_mt8188_vdo0_remove,
.probe = mtk_clk_pdev_probe, .remove = mtk_clk_pdev_remove,
> + .driver = { > + .name = "clk-mt8188-vdo0", > + },
.id_table = clk_mt8188_vdo0_id_table,
> +}; > +builtin_platform_driver(clk_mt8188_vdo0_drv);
module_platform_driver and MODULE_LICENSE.
Same for VDO1, VPP0, VPP1.
Regards, Angelo
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