[PATCH v5 22/27] clk: mediatek: Add MT8196 disp1 clock support
From: Laura Nao <hidden>
Date: 2025-08-29 09:21:22
Also in:
linux-arm-kernel, linux-clk, linux-devicetree, linux-mediatek, lkml
Subsystem:
common clk framework, the rest · Maintainers:
Stephen Boyd, Brian Masney, Jerome Brunet, Linus Torvalds
Add support for the MT8196 disp1 clock controller, which provides clock gate control for the display system. It is integrated with the mtk-mmsys driver, which registers the disp1 clock driver via platform_device_register_data(). Signed-off-by: Laura Nao <redacted> --- drivers/clk/mediatek/Makefile | 2 +- drivers/clk/mediatek/clk-mt8196-disp1.c | 170 ++++++++++++++++++++++++ 2 files changed, 171 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8196-disp1.c
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index a8c681f9fe64..fe5699411d8b 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile@@ -157,7 +157,7 @@ obj-$(CONFIG_COMMON_CLK_MT8196_IMP_IIC_WRAP) += clk-mt8196-imp_iic_wrap.o obj-$(CONFIG_COMMON_CLK_MT8196_MCUSYS) += clk-mt8196-mcu.o obj-$(CONFIG_COMMON_CLK_MT8196_MDPSYS) += clk-mt8196-mdpsys.o obj-$(CONFIG_COMMON_CLK_MT8196_MFGCFG) += clk-mt8196-mfg.o -obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o +obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o clk-mt8196-disp1.o obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) += clk-mt8196-pextp.o obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) += clk-mt8196-ufs_ao.o obj-$(CONFIG_COMMON_CLK_MT8365) += clk-mt8365-apmixedsys.o clk-mt8365.o
diff --git a/drivers/clk/mediatek/clk-mt8196-disp1.c b/drivers/clk/mediatek/clk-mt8196-disp1.c
new file mode 100644
index 000000000000..3bbec79a7010
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8196-disp1.c@@ -0,0 +1,170 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (c) 2025 MediaTek Inc. + * Guangjie Song <guangjie.song@mediatek.com> + * Copyright (c) 2025 Collabora Ltd. + * Laura Nao <laura.nao@collabora.com> + */ +#include <dt-bindings/clock/mediatek,mt8196-clock.h> + +#include <linux/clk-provider.h> +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include "clk-gate.h" +#include "clk-mtk.h" + +static const struct mtk_gate_regs mm10_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs mm10_hwv_regs = { + .set_ofs = 0x0010, + .clr_ofs = 0x0014, + .sta_ofs = 0x2c08, +}; + +static const struct mtk_gate_regs mm11_cg_regs = { + .set_ofs = 0x114, + .clr_ofs = 0x118, + .sta_ofs = 0x110, +}; + +static const struct mtk_gate_regs mm11_hwv_regs = { + .set_ofs = 0x0018, + .clr_ofs = 0x001c, + .sta_ofs = 0x2c0c, +}; + +#define GATE_MM10(_id, _name, _parent, _shift) {\ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm10_cg_regs, \ + .shift = _shift, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + .ops = &mtk_clk_gate_ops_setclr,\ + } + +#define GATE_HWV_MM10(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm10_cg_regs, \ + .hwv_regs = &mm10_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + } + +#define GATE_MM11(_id, _name, _parent, _shift) {\ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm11_cg_regs, \ + .shift = _shift, \ + .flags = CLK_OPS_PARENT_ENABLE, \ + .ops = &mtk_clk_gate_ops_setclr,\ + } + +#define GATE_HWV_MM11(_id, _name, _parent, _shift) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &mm11_cg_regs, \ + .hwv_regs = &mm11_hwv_regs, \ + .shift = _shift, \ + .ops = &mtk_clk_gate_hwv_ops_setclr, \ + } + +static const struct mtk_gate mm1_clks[] = { + /* MM10 */ + GATE_HWV_MM10(CLK_MM1_DISPSYS1_CONFIG, "mm1_dispsys1_config", "disp", 0), + GATE_HWV_MM10(CLK_MM1_DISPSYS1_S_CONFIG, "mm1_dispsys1_s_config", "disp", 1), + GATE_HWV_MM10(CLK_MM1_DISP_MUTEX0, "mm1_disp_mutex0", "disp", 2), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC20, "mm1_disp_dli_async20", "disp", 3), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC21, "mm1_disp_dli_async21", "disp", 4), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC22, "mm1_disp_dli_async22", "disp", 5), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC23, "mm1_disp_dli_async23", "disp", 6), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC24, "mm1_disp_dli_async24", "disp", 7), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC25, "mm1_disp_dli_async25", "disp", 8), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC26, "mm1_disp_dli_async26", "disp", 9), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC27, "mm1_disp_dli_async27", "disp", 10), + GATE_HWV_MM10(CLK_MM1_DISP_DLI_ASYNC28, "mm1_disp_dli_async28", "disp", 11), + GATE_HWV_MM10(CLK_MM1_DISP_RELAY0, "mm1_disp_relay0", "disp", 12), + GATE_HWV_MM10(CLK_MM1_DISP_RELAY1, "mm1_disp_relay1", "disp", 13), + GATE_HWV_MM10(CLK_MM1_DISP_RELAY2, "mm1_disp_relay2", "disp", 14), + GATE_HWV_MM10(CLK_MM1_DISP_RELAY3, "mm1_disp_relay3", "disp", 15), + GATE_HWV_MM10(CLK_MM1_DISP_DP_INTF0, "mm1_DP_CLK", "disp", 16), + GATE_HWV_MM10(CLK_MM1_DISP_DP_INTF1, "mm1_disp_dp_intf1", "disp", 17), + GATE_HWV_MM10(CLK_MM1_DISP_DSC_WRAP0, "mm1_disp_dsc_wrap0", "disp", 18), + GATE_HWV_MM10(CLK_MM1_DISP_DSC_WRAP1, "mm1_disp_dsc_wrap1", "disp", 19), + GATE_HWV_MM10(CLK_MM1_DISP_DSC_WRAP2, "mm1_disp_dsc_wrap2", "disp", 20), + GATE_HWV_MM10(CLK_MM1_DISP_DSC_WRAP3, "mm1_disp_dsc_wrap3", "disp", 21), + GATE_HWV_MM10(CLK_MM1_DISP_DSI0, "mm1_CLK0", "disp", 22), + GATE_HWV_MM10(CLK_MM1_DISP_DSI1, "mm1_CLK1", "disp", 23), + GATE_HWV_MM10(CLK_MM1_DISP_DSI2, "mm1_CLK2", "disp", 24), + GATE_HWV_MM10(CLK_MM1_DISP_DVO0, "mm1_disp_dvo0", "disp", 25), + GATE_HWV_MM10(CLK_MM1_DISP_GDMA0, "mm1_disp_gdma0", "disp", 26), + GATE_HWV_MM10(CLK_MM1_DISP_MERGE0, "mm1_disp_merge0", "disp", 27), + GATE_HWV_MM10(CLK_MM1_DISP_MERGE1, "mm1_disp_merge1", "disp", 28), + GATE_HWV_MM10(CLK_MM1_DISP_MERGE2, "mm1_disp_merge2", "disp", 29), + GATE_HWV_MM10(CLK_MM1_DISP_ODDMR0, "mm1_disp_oddmr0", "disp", 30), + GATE_HWV_MM10(CLK_MM1_DISP_POSTALIGN0, "mm1_disp_postalign0", "disp", 31), + /* MM11 */ + GATE_HWV_MM11(CLK_MM1_DISP_DITHER2, "mm1_disp_dither2", "disp", 0), + GATE_HWV_MM11(CLK_MM1_DISP_R2Y0, "mm1_disp_r2y0", "disp", 1), + GATE_HWV_MM11(CLK_MM1_DISP_SPLITTER0, "mm1_disp_splitter0", "disp", 2), + GATE_HWV_MM11(CLK_MM1_DISP_SPLITTER1, "mm1_disp_splitter1", "disp", 3), + GATE_HWV_MM11(CLK_MM1_DISP_SPLITTER2, "mm1_disp_splitter2", "disp", 4), + GATE_HWV_MM11(CLK_MM1_DISP_SPLITTER3, "mm1_disp_splitter3", "disp", 5), + GATE_HWV_MM11(CLK_MM1_DISP_VDCM0, "mm1_disp_vdcm0", "disp", 6), + GATE_HWV_MM11(CLK_MM1_DISP_WDMA1, "mm1_disp_wdma1", "disp", 7), + GATE_HWV_MM11(CLK_MM1_DISP_WDMA2, "mm1_disp_wdma2", "disp", 8), + GATE_HWV_MM11(CLK_MM1_DISP_WDMA3, "mm1_disp_wdma3", "disp", 9), + GATE_HWV_MM11(CLK_MM1_DISP_WDMA4, "mm1_disp_wdma4", "disp", 10), + GATE_HWV_MM11(CLK_MM1_MDP_RDMA1, "mm1_mdp_rdma1", "disp", 11), + GATE_HWV_MM11(CLK_MM1_SMI_LARB0, "mm1_smi_larb0", "disp", 12), + GATE_HWV_MM11(CLK_MM1_MOD1, "mm1_mod1", "clk26m", 13), + GATE_HWV_MM11(CLK_MM1_MOD2, "mm1_mod2", "clk26m", 14), + GATE_HWV_MM11(CLK_MM1_MOD3, "mm1_mod3", "clk26m", 15), + GATE_HWV_MM11(CLK_MM1_MOD4, "mm1_mod4", "dp0", 16), + GATE_HWV_MM11(CLK_MM1_MOD5, "mm1_mod5", "dp1", 17), + GATE_HWV_MM11(CLK_MM1_MOD6, "mm1_mod6", "dp1", 18), + GATE_HWV_MM11(CLK_MM1_CG0, "mm1_cg0", "disp", 20), + GATE_HWV_MM11(CLK_MM1_CG1, "mm1_cg1", "disp", 21), + GATE_HWV_MM11(CLK_MM1_CG2, "mm1_cg2", "disp", 22), + GATE_HWV_MM11(CLK_MM1_CG3, "mm1_cg3", "disp", 23), + GATE_HWV_MM11(CLK_MM1_CG4, "mm1_cg4", "disp", 24), + GATE_HWV_MM11(CLK_MM1_CG5, "mm1_cg5", "disp", 25), + GATE_HWV_MM11(CLK_MM1_CG6, "mm1_cg6", "disp", 26), + GATE_HWV_MM11(CLK_MM1_CG7, "mm1_cg7", "disp", 27), + GATE_HWV_MM11(CLK_MM1_F26M, "mm1_f26m_ck", "clk26m", 28), +}; + +static const struct mtk_clk_desc mm1_mcd = { + .clks = mm1_clks, + .num_clks = ARRAY_SIZE(mm1_clks), +}; + +static const struct platform_device_id clk_mt8196_disp1_id_table[] = { + { .name = "clk-mt8196-disp1", .driver_data = (kernel_ulong_t)&mm1_mcd }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(platform, clk_mt8196_disp1_id_table); + +static struct platform_driver clk_mt8196_disp1_drv = { + .probe = mtk_clk_pdev_probe, + .remove = mtk_clk_pdev_remove, + .driver = { + .name = "clk-mt8196-disp1", + }, + .id_table = clk_mt8196_disp1_id_table, +}; +module_platform_driver(clk_mt8196_disp1_drv); + +MODULE_DESCRIPTION("MediaTek MT8196 disp1 clocks driver"); +MODULE_LICENSE("GPL");
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2.39.5