clk: mediatek: Add MT8196 vdecsys clock support

Add support for the MT8196 vdecsys clock controller, which provides
clock gate control for the video decoder.

Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Laura Nao <laura.nao@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Laura Nao 2025-09-15 17:19:46 +02:00 committed by Stephen Boyd
parent 1a7f3d32da
commit 32ce24a313
No known key found for this signature in database
GPG key ID: AD028897C6E49525
3 changed files with 261 additions and 0 deletions

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@ -1059,6 +1059,13 @@ config COMMON_CLK_MT8196_UFSSYS
help
This driver supports MediaTek MT8196 ufssys clocks.
config COMMON_CLK_MT8196_VDECSYS
tristate "Clock driver for MediaTek MT8196 vdecsys"
depends on COMMON_CLK_MT8196
default m
help
This driver supports MediaTek MT8196 vdecsys clocks.
config COMMON_CLK_MT8365
tristate "Clock driver for MediaTek MT8365"
depends on ARCH_MEDIATEK || COMPILE_TEST

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@ -161,6 +161,7 @@ obj-$(CONFIG_COMMON_CLK_MT8196_MMSYS) += clk-mt8196-disp0.o clk-mt8196-disp1.o c
clk-mt8196-ovl0.o clk-mt8196-ovl1.o
obj-$(CONFIG_COMMON_CLK_MT8196_PEXTPSYS) += clk-mt8196-pextp.o
obj-$(CONFIG_COMMON_CLK_MT8196_UFSSYS) += clk-mt8196-ufs_ao.o
obj-$(CONFIG_COMMON_CLK_MT8196_VDECSYS) += clk-mt8196-vdec.o
obj-$(CONFIG_COMMON_CLK_MT8365) += clk-mt8365-apmixedsys.o clk-mt8365.o
obj-$(CONFIG_COMMON_CLK_MT8365_APU) += clk-mt8365-apu.o
obj-$(CONFIG_COMMON_CLK_MT8365_CAM) += clk-mt8365-cam.o

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@ -0,0 +1,253 @@
// 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 vde20_cg_regs = {
.set_ofs = 0x0,
.clr_ofs = 0x4,
.sta_ofs = 0x0,
};
static const struct mtk_gate_regs vde20_hwv_regs = {
.set_ofs = 0x0088,
.clr_ofs = 0x008c,
.sta_ofs = 0x2c44,
};
static const struct mtk_gate_regs vde21_cg_regs = {
.set_ofs = 0x200,
.clr_ofs = 0x204,
.sta_ofs = 0x200,
};
static const struct mtk_gate_regs vde21_hwv_regs = {
.set_ofs = 0x0080,
.clr_ofs = 0x0084,
.sta_ofs = 0x2c40,
};
static const struct mtk_gate_regs vde22_cg_regs = {
.set_ofs = 0x8,
.clr_ofs = 0xc,
.sta_ofs = 0x8,
};
static const struct mtk_gate_regs vde22_hwv_regs = {
.set_ofs = 0x0078,
.clr_ofs = 0x007c,
.sta_ofs = 0x2c3c,
};
#define GATE_HWV_VDE20(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde20_cg_regs, \
.hwv_regs = &vde20_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv,\
.flags = CLK_OPS_PARENT_ENABLE, \
}
#define GATE_HWV_VDE21(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde21_cg_regs, \
.hwv_regs = &vde21_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv,\
.flags = CLK_OPS_PARENT_ENABLE, \
}
#define GATE_HWV_VDE22(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde22_cg_regs, \
.hwv_regs = &vde22_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv,\
.flags = CLK_OPS_PARENT_ENABLE | \
CLK_IGNORE_UNUSED, \
}
static const struct mtk_gate vde2_clks[] = {
/* VDE20 */
GATE_HWV_VDE20(CLK_VDE2_VDEC_CKEN, "vde2_vdec_cken", "vdec", 0),
GATE_HWV_VDE20(CLK_VDE2_VDEC_ACTIVE, "vde2_vdec_active", "vdec", 4),
GATE_HWV_VDE20(CLK_VDE2_VDEC_CKEN_ENG, "vde2_vdec_cken_eng", "vdec", 8),
/* VDE21 */
GATE_HWV_VDE21(CLK_VDE2_LAT_CKEN, "vde2_lat_cken", "vdec", 0),
GATE_HWV_VDE21(CLK_VDE2_LAT_ACTIVE, "vde2_lat_active", "vdec", 4),
GATE_HWV_VDE21(CLK_VDE2_LAT_CKEN_ENG, "vde2_lat_cken_eng", "vdec", 8),
/* VDE22 */
GATE_HWV_VDE22(CLK_VDE2_LARB1_CKEN, "vde2_larb1_cken", "vdec", 0),
};
static const struct mtk_clk_desc vde2_mcd = {
.clks = vde2_clks,
.num_clks = ARRAY_SIZE(vde2_clks),
.need_runtime_pm = true,
};
static const struct mtk_gate_regs vde10_hwv_regs = {
.set_ofs = 0x00a0,
.clr_ofs = 0x00a4,
.sta_ofs = 0x2c50,
};
static const struct mtk_gate_regs vde11_cg_regs = {
.set_ofs = 0x1e0,
.clr_ofs = 0x1e0,
.sta_ofs = 0x1e0,
};
static const struct mtk_gate_regs vde11_hwv_regs = {
.set_ofs = 0x00b0,
.clr_ofs = 0x00b4,
.sta_ofs = 0x2c58,
};
static const struct mtk_gate_regs vde12_cg_regs = {
.set_ofs = 0x1ec,
.clr_ofs = 0x1ec,
.sta_ofs = 0x1ec,
};
static const struct mtk_gate_regs vde12_hwv_regs = {
.set_ofs = 0x00a8,
.clr_ofs = 0x00ac,
.sta_ofs = 0x2c54,
};
static const struct mtk_gate_regs vde13_cg_regs = {
.set_ofs = 0x200,
.clr_ofs = 0x204,
.sta_ofs = 0x200,
};
static const struct mtk_gate_regs vde13_hwv_regs = {
.set_ofs = 0x0098,
.clr_ofs = 0x009c,
.sta_ofs = 0x2c4c,
};
static const struct mtk_gate_regs vde14_hwv_regs = {
.set_ofs = 0x0090,
.clr_ofs = 0x0094,
.sta_ofs = 0x2c48,
};
#define GATE_HWV_VDE10(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde20_cg_regs, \
.hwv_regs = &vde10_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv,\
.flags = CLK_OPS_PARENT_ENABLE, \
}
#define GATE_HWV_VDE11(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde11_cg_regs, \
.hwv_regs = &vde11_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv, \
.flags = CLK_OPS_PARENT_ENABLE, \
}
#define GATE_HWV_VDE12(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde12_cg_regs, \
.hwv_regs = &vde12_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv, \
.flags = CLK_OPS_PARENT_ENABLE \
}
#define GATE_HWV_VDE13(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde13_cg_regs, \
.hwv_regs = &vde13_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv,\
.flags = CLK_OPS_PARENT_ENABLE, \
}
#define GATE_HWV_VDE14(_id, _name, _parent, _shift) { \
.id = _id, \
.name = _name, \
.parent_name = _parent, \
.regs = &vde22_cg_regs, \
.hwv_regs = &vde14_hwv_regs, \
.shift = _shift, \
.ops = &mtk_clk_gate_hwv_ops_setclr_inv,\
.flags = CLK_OPS_PARENT_ENABLE | \
CLK_IGNORE_UNUSED, \
}
static const struct mtk_gate vde1_clks[] = {
/* VDE10 */
GATE_HWV_VDE10(CLK_VDE1_VDEC_CKEN, "vde1_vdec_cken", "vdec", 0),
GATE_HWV_VDE10(CLK_VDE1_VDEC_ACTIVE, "vde1_vdec_active", "vdec", 4),
GATE_HWV_VDE10(CLK_VDE1_VDEC_CKEN_ENG, "vde1_vdec_cken_eng", "vdec", 8),
/* VDE11 */
GATE_HWV_VDE11(CLK_VDE1_VDEC_SOC_IPS_EN, "vde1_vdec_soc_ips_en", "vdec", 0),
/* VDE12 */
GATE_HWV_VDE12(CLK_VDE1_VDEC_SOC_APTV_EN, "vde1_aptv_en", "ck_tck_26m_mx9_ck", 0),
GATE_HWV_VDE12(CLK_VDE1_VDEC_SOC_APTV_TOP_EN, "vde1_aptv_topen", "ck_tck_26m_mx9_ck", 1),
/* VDE13 */
GATE_HWV_VDE13(CLK_VDE1_LAT_CKEN, "vde1_lat_cken", "vdec", 0),
GATE_HWV_VDE13(CLK_VDE1_LAT_ACTIVE, "vde1_lat_active", "vdec", 4),
GATE_HWV_VDE13(CLK_VDE1_LAT_CKEN_ENG, "vde1_lat_cken_eng", "vdec", 8),
/* VDE14 */
GATE_HWV_VDE14(CLK_VDE1_LARB1_CKEN, "vde1_larb1_cken", "vdec", 0),
};
static const struct mtk_clk_desc vde1_mcd = {
.clks = vde1_clks,
.num_clks = ARRAY_SIZE(vde1_clks),
.need_runtime_pm = true,
};
static const struct of_device_id of_match_clk_mt8196_vdec[] = {
{ .compatible = "mediatek,mt8196-vdecsys", .data = &vde2_mcd },
{ .compatible = "mediatek,mt8196-vdecsys-soc", .data = &vde1_mcd },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt8196_vdec);
static struct platform_driver clk_mt8196_vdec_drv = {
.probe = mtk_clk_simple_probe,
.remove = mtk_clk_simple_remove,
.driver = {
.name = "clk-mt8196-vdec",
.of_match_table = of_match_clk_mt8196_vdec,
},
};
module_platform_driver(clk_mt8196_vdec_drv);
MODULE_DESCRIPTION("MediaTek MT8196 Video Decoders clocks driver");
MODULE_LICENSE("GPL");