clk: mediatek: Add MT6765 clock support

Add MT6765 clock support, include topckgen, apmixedsys,
infracfg, mcucfg and subsystem clocks.

Signed-off-by: Owen Chen <[email protected]>
Signed-off-by: Mars Cheng <[email protected]>
Signed-off-by: Macpaul Lin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Stephen Boyd <[email protected]>

Author: Owen Chen

drivers/clk/mediatek/Kconfig

@@ -117,6 +117,92 @@ config COMMON_CLK_MT2712_VENCSYS
 	---help---
 	  This driver supports MediaTek MT2712 vencsys clocks.
 
+config COMMON_CLK_MT6765
+       bool "Clock driver for MediaTek MT6765"
+       depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST
+       select COMMON_CLK_MEDIATEK
+       default ARCH_MEDIATEK && ARM64
+       help
+         This driver supports MediaTek MT6765 basic clocks.
+
+config COMMON_CLK_MT6765_AUDIOSYS
+       bool "Clock driver for MediaTek MT6765 audiosys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 audiosys clocks.
+
+config COMMON_CLK_MT6765_CAMSYS
+       bool "Clock driver for MediaTek MT6765 camsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 camsys clocks.
+
+config COMMON_CLK_MT6765_GCESYS
+       bool "Clock driver for MediaTek MT6765 gcesys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 gcesys clocks.
+
+config COMMON_CLK_MT6765_MMSYS
+       bool "Clock driver for MediaTek MT6765 mmsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 mmsys clocks.
+
+config COMMON_CLK_MT6765_IMGSYS
+       bool "Clock driver for MediaTek MT6765 imgsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 imgsys clocks.
+
+config COMMON_CLK_MT6765_VCODECSYS
+       bool "Clock driver for MediaTek MT6765 vcodecsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 vcodecsys clocks.
+
+config COMMON_CLK_MT6765_MFGSYS
+       bool "Clock driver for MediaTek MT6765 mfgsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 mfgsys clocks.
+
+config COMMON_CLK_MT6765_MIPI0ASYS
+       bool "Clock driver for MediaTek MT6765 mipi0asys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 mipi0asys clocks.
+
+config COMMON_CLK_MT6765_MIPI0BSYS
+       bool "Clock driver for MediaTek MT6765 mipi0bsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 mipi0bsys clocks.
+
+config COMMON_CLK_MT6765_MIPI1ASYS
+       bool "Clock driver for MediaTek MT6765 mipi1asys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 mipi1asys clocks.
+
+config COMMON_CLK_MT6765_MIPI1BSYS
+       bool "Clock driver for MediaTek MT6765 mipi1bsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 mipi1bsys clocks.
+
+config COMMON_CLK_MT6765_MIPI2ASYS
+       bool "Clock driver for MediaTek MT6765 mipi2asys"
+       depends on COMMON_CLK_MT6765
+      help
+         This driver supports MediaTek MT6765 mipi2asys clocks.
+
+config COMMON_CLK_MT6765_MIPI2BSYS
+       bool "Clock driver for MediaTek MT6765 mipi2bsys"
+       depends on COMMON_CLK_MT6765
+       help
+         This driver supports MediaTek MT6765 mipi2bsys clocks.
+
 config COMMON_CLK_MT6779
 	bool "Clock driver for MediaTek MT6779"
 	depends on (ARCH_MEDIATEK && ARM64) || COMPILE_TEST

drivers/clk/mediatek/Makefile

@@ -1,6 +1,13 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_COMMON_CLK_MEDIATEK) += clk-mtk.o clk-pll.o clk-gate.o clk-apmixed.o clk-cpumux.o reset.o clk-mux.o
 
+obj-$(CONFIG_COMMON_CLK_MT6765) += clk-mt6765.o
+obj-$(CONFIG_COMMON_CLK_MT6765_AUDIOSYS) += clk-mt6765-audio.o
+obj-$(CONFIG_COMMON_CLK_MT6765_CAMSYS) += clk-mt6765-cam.o
+obj-$(CONFIG_COMMON_CLK_MT6765_IMGSYS) += clk-mt6765-img.o
+obj-$(CONFIG_COMMON_CLK_MT6765_MIPI0ASYS) += clk-mt6765-mipi0a.o
+obj-$(CONFIG_COMMON_CLK_MT6765_MMSYS) += clk-mt6765-mm.o
+obj-$(CONFIG_COMMON_CLK_MT6765_VCODECSYS) += clk-mt6765-vcodec.o
 obj-$(CONFIG_COMMON_CLK_MT6779) += clk-mt6779.o
 obj-$(CONFIG_COMMON_CLK_MT6779_MMSYS) += clk-mt6779-mm.o
 obj-$(CONFIG_COMMON_CLK_MT6779_IMGSYS) += clk-mt6779-img.o

drivers/clk/mediatek/clk-mt6765-audio.c

@@ -0,0 +1,100 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Owen Chen <[email protected]>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt6765-clk.h>
+
+static const struct mtk_gate_regs audio0_cg_regs = {
+	.set_ofs = 0x0,
+	.clr_ofs = 0x0,
+	.sta_ofs = 0x0,
+};
+
+static const struct mtk_gate_regs audio1_cg_regs = {
+	.set_ofs = 0x4,
+	.clr_ofs = 0x4,
+	.sta_ofs = 0x4,
+};
+
+#define GATE_AUDIO0(_id, _name, _parent, _shift) {	\
+		.id = _id,				\
+		.name = _name,				\
+		.parent_name = _parent,			\
+		.regs = &audio0_cg_regs,		\
+		.shift = _shift,			\
+		.ops = &mtk_clk_gate_ops_no_setclr,	\
+	}
+
+#define GATE_AUDIO1(_id, _name, _parent, _shift) {	\
+		.id = _id,				\
+		.name = _name,				\
+		.parent_name = _parent,			\
+		.regs = &audio1_cg_regs,		\
+		.shift = _shift,			\
+		.ops = &mtk_clk_gate_ops_no_setclr,	\
+	}
+
+static const struct mtk_gate audio_clks[] = {
+	/* AUDIO0 */
+	GATE_AUDIO0(CLK_AUDIO_AFE, "aud_afe", "audio_ck", 2),
+	GATE_AUDIO0(CLK_AUDIO_22M, "aud_22m", "aud_engen1_ck", 8),
+	GATE_AUDIO0(CLK_AUDIO_APLL_TUNER, "aud_apll_tuner",
+		    "aud_engen1_ck", 19),
+	GATE_AUDIO0(CLK_AUDIO_ADC, "aud_adc", "audio_ck", 24),
+	GATE_AUDIO0(CLK_AUDIO_DAC, "aud_dac", "audio_ck", 25),
+	GATE_AUDIO0(CLK_AUDIO_DAC_PREDIS, "aud_dac_predis",
+		    "audio_ck", 26),
+	GATE_AUDIO0(CLK_AUDIO_TML, "aud_tml", "audio_ck", 27),
+	/* AUDIO1 */
+	GATE_AUDIO1(CLK_AUDIO_I2S1_BCLK, "aud_i2s1_bclk",
+		    "audio_ck", 4),
+	GATE_AUDIO1(CLK_AUDIO_I2S2_BCLK, "aud_i2s2_bclk",
+		    "audio_ck", 5),
+	GATE_AUDIO1(CLK_AUDIO_I2S3_BCLK, "aud_i2s3_bclk",
+		    "audio_ck", 6),
+	GATE_AUDIO1(CLK_AUDIO_I2S4_BCLK, "aud_i2s4_bclk",
+		    "audio_ck", 7),
+};
+
+static int clk_mt6765_audio_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+	struct device_node *node = pdev->dev.of_node;
+
+	clk_data = mtk_alloc_clk_data(CLK_AUDIO_NR_CLK);
+
+	mtk_clk_register_gates(node, audio_clks,
+			       ARRAY_SIZE(audio_clks), clk_data);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+		       __func__, r);
+
+	return r;
+}
+
+static const struct of_device_id of_match_clk_mt6765_audio[] = {
+	{ .compatible = "mediatek,mt6765-audsys", },
+	{}
+};
+
+static struct platform_driver clk_mt6765_audio_drv = {
+	.probe = clk_mt6765_audio_probe,
+	.driver = {
+		.name = "clk-mt6765-audio",
+		.of_match_table = of_match_clk_mt6765_audio,
+	},
+};
+
+builtin_platform_driver(clk_mt6765_audio_drv);

drivers/clk/mediatek/clk-mt6765-cam.c

@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Owen Chen <[email protected]>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt6765-clk.h>
+
+static const struct mtk_gate_regs cam_cg_regs = {
+	.set_ofs = 0x4,
+	.clr_ofs = 0x8,
+	.sta_ofs = 0x0,
+};
+
+#define GATE_CAM(_id, _name, _parent, _shift) {		\
+		.id = _id,				\
+		.name = _name,				\
+		.parent_name = _parent,			\
+		.regs = &cam_cg_regs,			\
+		.shift = _shift,			\
+		.ops = &mtk_clk_gate_ops_setclr,	\
+	}
+
+static const struct mtk_gate cam_clks[] = {
+	GATE_CAM(CLK_CAM_LARB3, "cam_larb3", "mm_ck", 0),
+	GATE_CAM(CLK_CAM_DFP_VAD, "cam_dfp_vad", "mm_ck", 1),
+	GATE_CAM(CLK_CAM, "cam", "mm_ck", 6),
+	GATE_CAM(CLK_CAMTG, "camtg", "mm_ck", 7),
+	GATE_CAM(CLK_CAM_SENINF, "cam_seninf", "mm_ck", 8),
+	GATE_CAM(CLK_CAMSV0, "camsv0", "mm_ck", 9),
+	GATE_CAM(CLK_CAMSV1, "camsv1", "mm_ck", 10),
+	GATE_CAM(CLK_CAMSV2, "camsv2", "mm_ck", 11),
+	GATE_CAM(CLK_CAM_CCU, "cam_ccu", "mm_ck", 12),
+};
+
+static int clk_mt6765_cam_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+	struct device_node *node = pdev->dev.of_node;
+
+	clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK);
+
+	mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks), clk_data);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+		       __func__, r);
+
+	return r;
+}
+
+static const struct of_device_id of_match_clk_mt6765_cam[] = {
+	{ .compatible = "mediatek,mt6765-camsys", },
+	{}
+};
+
+static struct platform_driver clk_mt6765_cam_drv = {
+	.probe = clk_mt6765_cam_probe,
+	.driver = {
+		.name = "clk-mt6765-cam",
+		.of_match_table = of_match_clk_mt6765_cam,
+	},
+};
+
+builtin_platform_driver(clk_mt6765_cam_drv);

drivers/clk/mediatek/clk-mt6765-img.c

@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018 MediaTek Inc.
+ * Author: Owen Chen <[email protected]>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+#include <dt-bindings/clock/mt6765-clk.h>
+
+static const struct mtk_gate_regs img_cg_regs = {
+	.set_ofs = 0x4,
+	.clr_ofs = 0x8,
+	.sta_ofs = 0x0,
+};
+
+#define GATE_IMG(_id, _name, _parent, _shift) {		\
+		.id = _id,				\
+		.name = _name,				\
+		.parent_name = _parent,			\
+		.regs = &img_cg_regs,			\
+		.shift = _shift,			\
+		.ops = &mtk_clk_gate_ops_setclr,	\
+	}
+
+static const struct mtk_gate img_clks[] = {
+	GATE_IMG(CLK_IMG_LARB2, "img_larb2", "mm_ck", 0),
+	GATE_IMG(CLK_IMG_DIP, "img_dip", "mm_ck", 2),
+	GATE_IMG(CLK_IMG_FDVT, "img_fdvt", "mm_ck", 3),
+	GATE_IMG(CLK_IMG_DPE, "img_dpe", "mm_ck", 4),
+	GATE_IMG(CLK_IMG_RSC, "img_rsc", "mm_ck", 5),
+};
+
+static int clk_mt6765_img_probe(struct platform_device *pdev)
+{
+	struct clk_onecell_data *clk_data;
+	int r;
+	struct device_node *node = pdev->dev.of_node;
+
+	clk_data = mtk_alloc_clk_data(CLK_IMG_NR_CLK);
+
+	mtk_clk_register_gates(node, img_clks, ARRAY_SIZE(img_clks), clk_data);
+
+	r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+
+	if (r)
+		pr_err("%s(): could not register clock provider: %d\n",
+		       __func__, r);
+
+	return r;
+}
+
+static const struct of_device_id of_match_clk_mt6765_img[] = {
+	{ .compatible = "mediatek,mt6765-imgsys", },
+	{}
+};
+
+static struct platform_driver clk_mt6765_img_drv = {
+	.probe = clk_mt6765_img_probe,
+	.driver = {
+		.name = "clk-mt6765-img",
+		.of_match_table = of_match_clk_mt6765_img,
+	},
+};
+
+builtin_platform_driver(clk_mt6765_img_drv);