[PATCH 2/2] clk: mediatek: Add drivers for MT6735 syscon clock and reset controllers

[Yassine Oudjana <yassine.oudjana@gmail.com>]

From: Yassine Oudjana <y.oudjana@protonmail.com>

Add drivers for IMGSYS, MFGCFG, VDECSYS and VENCSYS clocks and resets
on MT6735.

Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com>
---
 MAINTAINERS                               |  4 ++
 drivers/clk/mediatek/Kconfig              | 32 +++++++++
 drivers/clk/mediatek/Makefile             |  4 ++
 drivers/clk/mediatek/clk-mt6735-imgsys.c  | 57 ++++++++++++++++
 drivers/clk/mediatek/clk-mt6735-mfgcfg.c  | 61 +++++++++++++++++
 drivers/clk/mediatek/clk-mt6735-vdecsys.c | 81 +++++++++++++++++++++++
 drivers/clk/mediatek/clk-mt6735-vencsys.c | 53 +++++++++++++++
 7 files changed, 292 insertions(+)
 create mode 100644 drivers/clk/mediatek/clk-mt6735-imgsys.c
 create mode 100644 drivers/clk/mediatek/clk-mt6735-mfgcfg.c
 create mode 100644 drivers/clk/mediatek/clk-mt6735-vdecsys.c
 create mode 100644 drivers/clk/mediatek/clk-mt6735-vencsys.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 25484783f6a0b..939f9d29fc9bf 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14533,9 +14533,13 @@ L:	linux-clk@vger.kernel.org
 L:	linux-mediatek@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	drivers/clk/mediatek/clk-mt6735-apmixedsys.c
+F:	drivers/clk/mediatek/clk-mt6735-imgsys.c
 F:	drivers/clk/mediatek/clk-mt6735-infracfg.c
+F:	drivers/clk/mediatek/clk-mt6735-mfgcfg.c
 F:	drivers/clk/mediatek/clk-mt6735-pericfg.c
 F:	drivers/clk/mediatek/clk-mt6735-topckgen.c
+F:	drivers/clk/mediatek/clk-mt6735-vdecsys.c
+F:	drivers/clk/mediatek/clk-mt6735-vencsys.c
 F:	include/dt-bindings/clock/mediatek,mt6735-apmixedsys.h
 F:	include/dt-bindings/clock/mediatek,mt6735-imgsys.h
 F:	include/dt-bindings/clock/mediatek,mt6735-infracfg.h
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
index 7a33f9e92d963..4dd6d2d6263fd 100644
--- a/drivers/clk/mediatek/Kconfig
+++ b/drivers/clk/mediatek/Kconfig
@@ -133,6 +133,38 @@ config COMMON_CLK_MT6735
 	  by apmixedsys, topckgen, infracfg and pericfg on the
 	  MediaTek MT6735 SoC.
 
+config COMMON_CLK_MT6735_IMGSYS
+	tristate "Clock driver for MediaTek MT6735 imgsys"
+	depends on (ARCH_MEDIATEK && COMMON_CLK_MT6735) || COMPILE_TEST
+	select COMMON_CLK_MEDIATEK
+	help
+	  This enables a driver for clocks provided by imgsys
+	  on the MediaTek MT6735 SoC.
+
+config COMMON_CLK_MT6735_MFGCFG
+	tristate "Clock driver for MediaTek MT6735 mfgcfg"
+	depends on (ARCH_MEDIATEK && COMMON_CLK_MT6735) || COMPILE_TEST
+	select COMMON_CLK_MEDIATEK
+	help
+	  This enables a driver for clocks and resets provided
+	  by mfgcfg on the MediaTek MT6735 SoC.
+
+config COMMON_CLK_MT6735_VDECSYS
+	tristate "Clock driver for MediaTek MT6735 vdecsys"
+	depends on (ARCH_MEDIATEK && COMMON_CLK_MT6735) || COMPILE_TEST
+	select COMMON_CLK_MEDIATEK
+	help
+	  This enables a driver for clocks and resets provided
+	  by vdecsys on the MediaTek MT6735 SoC.
+
+config COMMON_CLK_MT6735_VENCSYS
+	tristate "Clock driver for MediaTek MT6735 vencsys"
+	depends on (ARCH_MEDIATEK && COMMON_CLK_MT6735) || COMPILE_TEST
+	select COMMON_CLK_MEDIATEK
+	help
+	  This enables a driver for clocks provided by vencsys
+	  on the MediaTek MT6735 SoC.
+
 config COMMON_CLK_MT6765
        bool "Clock driver for MediaTek MT6765"
        depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index 70456ffc6c492..6efec95406bd5 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -3,6 +3,10 @@ obj-$(CONFIG_COMMON_CLK_MEDIATEK) += clk-mtk.o clk-pll.o clk-gate.o clk-apmixed.
 obj-$(CONFIG_COMMON_CLK_MEDIATEK_FHCTL) += clk-fhctl.o clk-pllfh.o
 
 obj-$(CONFIG_COMMON_CLK_MT6735) += clk-mt6735-apmixedsys.o clk-mt6735-infracfg.o clk-mt6735-pericfg.o clk-mt6735-topckgen.o
+obj-$(CONFIG_COMMON_CLK_MT6735_IMGSYS) += clk-mt6735-imgsys.o
+obj-$(CONFIG_COMMON_CLK_MT6735_MFGCFG) += clk-mt6735-mfgcfg.o
+obj-$(CONFIG_COMMON_CLK_MT6735_VDECSYS) += clk-mt6735-vdecsys.o
+obj-$(CONFIG_COMMON_CLK_MT6735_VENCSYS) += clk-mt6735-vencsys.o
 obj-$(CONFIG_COMMON_CLK_MT6765) += clk-mt6765.o
 obj-$(CONFIG_COMMON_CLK_MT6765_AUDIOSYS) += clk-mt6765-audio.o
 obj-$(CONFIG_COMMON_CLK_MT6765_CAMSYS) += clk-mt6765-cam.o
diff --git a/drivers/clk/mediatek/clk-mt6735-imgsys.c b/drivers/clk/mediatek/clk-mt6735-imgsys.c
new file mode 100644
index 0000000000000..c564f8f724324
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6735-imgsys.c
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+#include <dt-bindings/clock/mediatek,mt6735-imgsys.h>
+
+#define IMG_CG_CON			0x00
+#define IMG_CG_SET			0x04
+#define IMG_CG_CLR			0x08
+
+static struct mtk_gate_regs imgsys_cg_regs = {
+	.set_ofs = IMG_CG_SET,
+	.clr_ofs = IMG_CG_CLR,
+	.sta_ofs = IMG_CG_CON,
+};
+
+static const struct mtk_gate imgsys_gates[] = {
+	GATE_MTK(CLK_IMG_SMI_LARB2, "smi_larb2", "mm_sel", &imgsys_cg_regs, 0, &mtk_clk_gate_ops_setclr),
+	GATE_MTK(CLK_IMG_CAM_SMI, "cam_smi", "mm_sel", &imgsys_cg_regs, 5, &mtk_clk_gate_ops_setclr),
+	GATE_MTK(CLK_IMG_CAM_CAM, "cam_cam", "mm_sel", &imgsys_cg_regs, 6, &mtk_clk_gate_ops_setclr),
+	GATE_MTK(CLK_IMG_SEN_TG, "sen_tg", "mm_sel", &imgsys_cg_regs, 7, &mtk_clk_gate_ops_setclr),
+	GATE_MTK(CLK_IMG_SEN_CAM, "sen_cam", "mm_sel", &imgsys_cg_regs, 8, &mtk_clk_gate_ops_setclr),
+	GATE_MTK(CLK_IMG_CAM_SV, "cam_sv", "mm_sel", &imgsys_cg_regs, 9, &mtk_clk_gate_ops_setclr),
+	GATE_MTK(CLK_IMG_SUFOD, "sufod", "mm_sel", &imgsys_cg_regs, 10, &mtk_clk_gate_ops_setclr),
+	GATE_MTK(CLK_IMG_FD, "fd", "mm_sel", &imgsys_cg_regs, 11, &mtk_clk_gate_ops_setclr),
+};
+
+static const struct mtk_clk_desc imgsys_clks = {
+	.clks = imgsys_gates,
+	.num_clks = ARRAY_SIZE(imgsys_gates),
+};
+
+static const struct of_device_id of_match_mt6735_imgsys[] = {
+	{ .compatible = "mediatek,mt6735-imgsys", .data = &imgsys_clks },
+	{ /* sentinel */ }
+};
+
+static struct platform_driver clk_mt6735_imgsys = {
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
+	.driver = {
+		.name = "clk-mt6735-imgsys",
+		.of_match_table = of_match_mt6735_imgsys,
+	},
+};
+module_platform_driver(clk_mt6735_imgsys);
+
+MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>");
+MODULE_DESCRIPTION("MediaTek MT6735 imgsys clock driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/mediatek/clk-mt6735-mfgcfg.c b/drivers/clk/mediatek/clk-mt6735-mfgcfg.c
new file mode 100644
index 0000000000000..1f5aedddf209d
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6735-mfgcfg.c
@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+#include <dt-bindings/clock/mediatek,mt6735-mfgcfg.h>
+
+#define MFG_CG_CON			0x00
+#define MFG_CG_SET			0x04
+#define MFG_CG_CLR			0x08
+#define MFG_RESET			0x0c
+
+static struct mtk_gate_regs mfgcfg_cg_regs = {
+	.set_ofs = MFG_CG_SET,
+	.clr_ofs = MFG_CG_CLR,
+	.sta_ofs = MFG_CG_CON,
+};
+
+static const struct mtk_gate mfgcfg_gates[] = {
+	GATE_MTK(CLK_MFG_BG3D, "bg3d", "mfg_sel", &mfgcfg_cg_regs, 0, &mtk_clk_gate_ops_setclr),
+};
+
+static u16 mfgcfg_rst_ofs[] = { MFG_RESET };
+
+static const struct mtk_clk_rst_desc mfgcfg_resets = {
+	.version = MTK_RST_SIMPLE,
+	.rst_bank_ofs = mfgcfg_rst_ofs,
+	.rst_bank_nr = ARRAY_SIZE(mfgcfg_rst_ofs)
+};
+
+static const struct mtk_clk_desc mfgcfg_clks = {
+	.clks = mfgcfg_gates,
+	.num_clks = ARRAY_SIZE(mfgcfg_gates),
+
+	.rst_desc = &mfgcfg_resets
+};
+
+static const struct of_device_id of_match_mt6735_mfgcfg[] = {
+	{ .compatible = "mediatek,mt6735-mfgcfg", .data = &mfgcfg_clks },
+	{ /* sentinel */ }
+};
+
+static struct platform_driver clk_mt6735_mfgcfg = {
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
+	.driver = {
+		.name = "clk-mt6735-mfgcfg",
+		.of_match_table = of_match_mt6735_mfgcfg,
+	},
+};
+module_platform_driver(clk_mt6735_mfgcfg);
+
+MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>");
+MODULE_DESCRIPTION("Mediatek MT6735 mfgcfg clock and reset driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/mediatek/clk-mt6735-vdecsys.c b/drivers/clk/mediatek/clk-mt6735-vdecsys.c
new file mode 100644
index 0000000000000..f59b481aaa6da
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6735-vdecsys.c
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+#include <dt-bindings/clock/mediatek,mt6735-vdecsys.h>
+#include <dt-bindings/reset/mediatek,mt6735-vdecsys.h>
+
+#define VDEC_CKEN_SET			0x00
+#define VDEC_CKEN_CLR			0x04
+#define SMI_LARB1_CKEN_SET		0x08
+#define SMI_LARB1_CKEN_CLR		0x0c
+#define VDEC_RESETB_CON			0x10
+#define SMI_LARB1_RESETB_CON		0x14
+
+#define RST_NR_PER_BANK			32
+
+static struct mtk_gate_regs vdec_cg_regs = {
+	.set_ofs = VDEC_CKEN_SET,
+	.clr_ofs = VDEC_CKEN_CLR,
+	.sta_ofs = VDEC_CKEN_SET,
+};
+
+static struct mtk_gate_regs smi_larb1_cg_regs = {
+	.set_ofs = SMI_LARB1_CKEN_SET,
+	.clr_ofs = SMI_LARB1_CKEN_CLR,
+	.sta_ofs = SMI_LARB1_CKEN_SET,
+};
+
+static const struct mtk_gate vdecsys_gates[] = {
+	GATE_MTK(CLK_VDEC_VDEC, "vdec", "vdec_sel", &vdec_cg_regs, 0, &mtk_clk_gate_ops_setclr_inv),
+	GATE_MTK(CLK_VDEC_SMI_LARB1, "smi_larb1", "vdec_sel", &smi_larb1_cg_regs, 0, &mtk_clk_gate_ops_setclr_inv),
+};
+
+static u16 vdecsys_rst_bank_ofs[] = { VDEC_RESETB_CON, SMI_LARB1_RESETB_CON };
+
+static u16 vdecsys_rst_idx_map[] = {
+	[MT6735_VDEC_RST0_VDEC]		= 0 * RST_NR_PER_BANK + 0,
+
+	[MT6735_VDEC_RST1_SMI_LARB1]	= 1 * RST_NR_PER_BANK + 0,
+};
+
+static const struct mtk_clk_rst_desc vdecsys_resets = {
+	.version = MTK_RST_SIMPLE,
+	.rst_bank_ofs = vdecsys_rst_bank_ofs,
+	.rst_bank_nr = ARRAY_SIZE(vdecsys_rst_bank_ofs),
+	.rst_idx_map = vdecsys_rst_idx_map,
+	.rst_idx_map_nr = ARRAY_SIZE(vdecsys_rst_idx_map)
+};
+
+static const struct mtk_clk_desc vdecsys_clks = {
+	.clks = vdecsys_gates,
+	.num_clks = ARRAY_SIZE(vdecsys_gates),
+
+	.rst_desc = &vdecsys_resets
+};
+
+static const struct of_device_id of_match_mt6735_vdecsys[] = {
+	{ .compatible = "mediatek,mt6735-vdecsys", .data = &vdecsys_clks },
+	{ /* sentinel */ }
+};
+
+static struct platform_driver clk_mt6735_vdecsys = {
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
+	.driver = {
+		.name = "clk-mt6735-vdecsys",
+		.of_match_table = of_match_mt6735_vdecsys,
+	},
+};
+module_platform_driver(clk_mt6735_vdecsys);
+
+MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>");
+MODULE_DESCRIPTION("MediaTek MT6735 vdecsys clock and reset driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/clk/mediatek/clk-mt6735-vencsys.c b/drivers/clk/mediatek/clk-mt6735-vencsys.c
new file mode 100644
index 0000000000000..8dec7f98492ac
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6735-vencsys.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2022 Yassine Oudjana <y.oudjana@protonmail.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+#include <dt-bindings/clock/mediatek,mt6735-vencsys.h>
+
+#define VENC_CG_CON			0x00
+#define VENC_CG_SET			0x04
+#define VENC_CG_CLR			0x08
+
+static struct mtk_gate_regs venc_cg_regs = {
+	.set_ofs = VENC_CG_SET,
+	.clr_ofs = VENC_CG_CLR,
+	.sta_ofs = VENC_CG_CON,
+};
+
+static const struct mtk_gate vencsys_gates[] = {
+	GATE_MTK(CLK_VENC_SMI_LARB3, "smi_larb3", "mm_sel", &venc_cg_regs, 0, &mtk_clk_gate_ops_setclr_inv),
+	GATE_MTK(CLK_VENC_VENC, "venc", "mm_sel", &venc_cg_regs, 4, &mtk_clk_gate_ops_setclr_inv),
+	GATE_MTK(CLK_VENC_JPGENC, "jpgenc", "mm_sel", &venc_cg_regs, 8, &mtk_clk_gate_ops_setclr_inv),
+	GATE_MTK(CLK_VENC_JPGDEC, "jpgdec", "mm_sel", &venc_cg_regs, 12, &mtk_clk_gate_ops_setclr_inv),
+};
+
+static const struct mtk_clk_desc vencsys_clks = {
+	.clks = vencsys_gates,
+	.num_clks = ARRAY_SIZE(vencsys_gates),
+};
+
+static const struct of_device_id of_match_mt6735_vencsys[] = {
+	{ .compatible = "mediatek,mt6735-vencsys", .data = &vencsys_clks },
+	{ /* sentinel */ }
+};
+
+static struct platform_driver clk_mt6735_vencsys = {
+	.probe = mtk_clk_simple_probe,
+	.remove = mtk_clk_simple_remove,
+	.driver = {
+		.name = "clk-mt6735-vencsys",
+		.of_match_table = of_match_mt6735_vencsys,
+	},
+};
+module_platform_driver(clk_mt6735_vencsys);
+
+MODULE_AUTHOR("Yassine Oudjana <y.oudjana@protonmail.com>");
+MODULE_DESCRIPTION("Mediatek MT6735 vencsys clock driver");
+MODULE_LICENSE("GPL");
-- 
2.47.0