clk: sunxi-ng: Add sun4i/sun7i CCU driver

Introduce a clock controller driver for sun4i A10 and sun7i A20
series SoCs.

Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

drivers/clk/sunxi-ng/Kconfig

@@ -11,6 +11,19 @@ config SUN50I_A64_CCU
 	default ARM64 && ARCH_SUNXI
 	depends on (ARM64 && ARCH_SUNXI) || COMPILE_TEST
 
+config SUN4I_A10_CCU
+	bool "Support for the Allwinner A10/A20 CCU"
+	select SUNXI_CCU_DIV
+	select SUNXI_CCU_MULT
+	select SUNXI_CCU_NK
+	select SUNXI_CCU_NKM
+	select SUNXI_CCU_NM
+	select SUNXI_CCU_MP
+	select SUNXI_CCU_PHASE
+	default MACH_SUN4I
+	default MACH_SUN7I
+	depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST
+
 config SUN5I_CCU
 	bool "Support for the Allwinner sun5i family CCM"
 	default MACH_SUN5I

drivers/clk/sunxi-ng/Makefile

@@ -19,6 +19,7 @@ lib-$(CONFIG_SUNXI_CCU)		+= ccu_mp.o
 
 # SoC support
 obj-$(CONFIG_SUN50I_A64_CCU)	+= ccu-sun50i-a64.o
+obj-$(CONFIG_SUN4I_A10_CCU)	+= ccu-sun4i-a10.o
 obj-$(CONFIG_SUN5I_CCU)		+= ccu-sun5i.o
 obj-$(CONFIG_SUN6I_A31_CCU)	+= ccu-sun6i-a31.o
 obj-$(CONFIG_SUN8I_A23_CCU)	+= ccu-sun8i-a23.o

drivers/clk/sunxi-ng/ccu-sun4i-a10.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2017 Priit Laes
+ *
+ * Priit Laes <plaes@plaes.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _CCU_SUN4I_A10_H_
+#define _CCU_SUN4I_A10_H_
+
+#include <dt-bindings/clock/sun4i-a10-ccu.h>
+#include <dt-bindings/clock/sun7i-a20-ccu.h>
+#include <dt-bindings/reset/sun4i-a10-ccu.h>
+
+/* The HOSC is exported */
+#define CLK_PLL_CORE		2
+#define CLK_PLL_AUDIO_BASE	3
+#define CLK_PLL_AUDIO		4
+#define CLK_PLL_AUDIO_2X	5
+#define CLK_PLL_AUDIO_4X	6
+#define CLK_PLL_AUDIO_8X	7
+#define CLK_PLL_VIDEO0		8
+#define CLK_PLL_VIDEO0_2X	9
+#define CLK_PLL_VE		10
+#define CLK_PLL_DDR_BASE	11
+#define CLK_PLL_DDR		12
+#define CLK_PLL_DDR_OTHER	13
+#define CLK_PLL_PERIPH_BASE	14
+#define CLK_PLL_PERIPH		15
+#define CLK_PLL_PERIPH_SATA	16
+#define CLK_PLL_VIDEO1		17
+#define CLK_PLL_VIDEO1_2X	18
+#define CLK_PLL_GPU		19
+
+/* The CPU clock is exported */
+#define CLK_AXI			21
+#define CLK_AXI_DRAM		22
+#define CLK_AHB			23
+#define CLK_APB0		24
+#define CLK_APB1		25
+
+/* AHB gates are exported (23..68) */
+/* APB0 gates are exported (69..78) */
+/* APB1 gates are exported (79..95) */
+/* IP module clocks are exported (96..128) */
+/* DRAM gates are exported (129..142)*/
+/* Media (display engine clocks & etc) are exported (143..169) */
+
+#define CLK_NUMBER_SUN4I	(CLK_MBUS + 1)
+#define CLK_NUMBER_SUN7I	(CLK_OUT_B + 1)
+
+#endif /* _CCU_SUN4I_A10_H_ */

include/dt-bindings/clock/sun4i-a10-ccu.h

@@ -0,0 +1,200 @@
+/*
+ * Copyright (C) 2017 Priit Laes <plaes@plaes.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _DT_BINDINGS_CLK_SUN4I_A10_H_
+#define _DT_BINDINGS_CLK_SUN4I_A10_H_
+
+#define CLK_HOSC		1
+#define CLK_CPU			20
+
+/* AHB Gates */
+#define CLK_AHB_OTG		26
+#define CLK_AHB_EHCI0		27
+#define CLK_AHB_OHCI0		28
+#define CLK_AHB_EHCI1		29
+#define CLK_AHB_OHCI1		30
+#define CLK_AHB_SS		31
+#define CLK_AHB_DMA		32
+#define CLK_AHB_BIST		33
+#define CLK_AHB_MMC0		34
+#define CLK_AHB_MMC1		35
+#define CLK_AHB_MMC2		36
+#define CLK_AHB_MMC3		37
+#define CLK_AHB_MS		38
+#define CLK_AHB_NAND		39
+#define CLK_AHB_SDRAM		40
+#define CLK_AHB_ACE		41
+#define CLK_AHB_EMAC		42
+#define CLK_AHB_TS		43
+#define CLK_AHB_SPI0		44
+#define CLK_AHB_SPI1		45
+#define CLK_AHB_SPI2		46
+#define CLK_AHB_SPI3		47
+#define CLK_AHB_PATA		48
+#define CLK_AHB_SATA		49
+#define CLK_AHB_GPS		50
+#define CLK_AHB_HSTIMER		51
+#define CLK_AHB_VE		52
+#define CLK_AHB_TVD		53
+#define CLK_AHB_TVE0		54
+#define CLK_AHB_TVE1		55
+#define CLK_AHB_LCD0		56
+#define CLK_AHB_LCD1		57
+#define CLK_AHB_CSI0		58
+#define CLK_AHB_CSI1		59
+#define CLK_AHB_HDMI0		60
+#define CLK_AHB_HDMI1		61
+#define CLK_AHB_DE_BE0		62
+#define CLK_AHB_DE_BE1		63
+#define CLK_AHB_DE_FE0		64
+#define CLK_AHB_DE_FE1		65
+#define CLK_AHB_GMAC		66
+#define CLK_AHB_MP		67
+#define CLK_AHB_GPU		68
+
+/* APB0 Gates */
+#define CLK_APB0_CODEC		69
+#define CLK_APB0_SPDIF		70
+#define CLK_APB0_I2S0		71
+#define CLK_APB0_AC97		72
+#define CLK_APB0_I2S1		73
+#define CLK_APB0_PIO		74
+#define CLK_APB0_IR0		75
+#define CLK_APB0_IR1		76
+#define CLK_APB0_I2S2		77
+#define CLK_APB0_KEYPAD		78
+
+/* APB1 Gates */
+#define CLK_APB1_I2C0		79
+#define CLK_APB1_I2C1		80
+#define CLK_APB1_I2C2		81
+#define CLK_APB1_I2C3		82
+#define CLK_APB1_CAN		83
+#define CLK_APB1_SCR		84
+#define CLK_APB1_PS20		85
+#define CLK_APB1_PS21		86
+#define CLK_APB1_I2C4		87
+#define CLK_APB1_UART0		88
+#define CLK_APB1_UART1		89
+#define CLK_APB1_UART2		90
+#define CLK_APB1_UART3		91
+#define CLK_APB1_UART4		92
+#define CLK_APB1_UART5		93
+#define CLK_APB1_UART6		94
+#define CLK_APB1_UART7		95
+
+/* IP clocks */
+#define CLK_NAND		96
+#define CLK_MS			97
+#define CLK_MMC0		98
+#define CLK_MMC0_OUTPUT		99
+#define CLK_MMC0_SAMPLE		100
+#define CLK_MMC1		101
+#define CLK_MMC1_OUTPUT		102
+#define CLK_MMC1_SAMPLE		103
+#define CLK_MMC2		104
+#define CLK_MMC2_OUTPUT		105
+#define CLK_MMC2_SAMPLE		106
+#define CLK_MMC3		107
+#define CLK_MMC3_OUTPUT		108
+#define CLK_MMC3_SAMPLE		109
+#define CLK_TS			110
+#define CLK_SS			111
+#define CLK_SPI0		112
+#define CLK_SPI1		113
+#define CLK_SPI2		114
+#define CLK_PATA		115
+#define CLK_IR0			116
+#define CLK_IR1			117
+#define CLK_I2S0		118
+#define CLK_AC97		119
+#define CLK_SPDIF		120
+#define CLK_KEYPAD		121
+#define CLK_SATA		122
+#define CLK_USB_OHCI0		123
+#define CLK_USB_OHCI1		124
+#define CLK_USB_PHY		125
+#define CLK_GPS			126
+#define CLK_SPI3		127
+#define CLK_I2S1		128
+#define CLK_I2S2		129
+
+/* DRAM Gates */
+#define CLK_DRAM_VE		130
+#define CLK_DRAM_CSI0		131
+#define CLK_DRAM_CSI1		132
+#define CLK_DRAM_TS		133
+#define CLK_DRAM_TVD		134
+#define CLK_DRAM_TVE0		135
+#define CLK_DRAM_TVE1		136
+#define CLK_DRAM_OUT		137
+#define CLK_DRAM_DE_FE1		138
+#define CLK_DRAM_DE_FE0		139
+#define CLK_DRAM_DE_BE0		140
+#define CLK_DRAM_DE_BE1		141
+#define CLK_DRAM_MP		142
+#define CLK_DRAM_ACE		143
+
+/* Display Engine Clocks */
+#define CLK_DE_BE0		144
+#define CLK_DE_BE1		145
+#define CLK_DE_FE0		146
+#define CLK_DE_FE1		147
+#define CLK_DE_MP		148
+#define CLK_TCON0_CH0		149
+#define CLK_TCON1_CH0		150
+#define CLK_CSI_SCLK		151
+#define CLK_TVD_SCLK2		152
+#define CLK_TVD			153
+#define CLK_TCON0_CH1_SCLK2	154
+#define CLK_TCON0_CH1		155
+#define CLK_TCON1_CH1_SCLK2	156
+#define CLK_TCON1_CH1		157
+#define CLK_CSI0		158
+#define CLK_CSI1		159
+#define CLK_CODEC		160
+#define CLK_VE			161
+#define CLK_AVS			162
+#define CLK_ACE			163
+#define CLK_HDMI		164
+#define CLK_GPU			165
+
+#endif /* _DT_BINDINGS_CLK_SUN4I_A10_H_ */

include/dt-bindings/clock/sun7i-a20-ccu.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2017 Priit Laes <plaes@plaes.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _DT_BINDINGS_CLK_SUN7I_A20_H_
+#define _DT_BINDINGS_CLK_SUN7I_A20_H_
+
+#include <dt-bindings/clock/sun4i-a10-ccu.h>
+
+#define CLK_MBUS		166
+#define CLK_HDMI1_SLOW		167
+#define CLK_HDMI1		168
+#define CLK_OUT_A		169
+#define CLK_OUT_B		170
+
+#endif /* _DT_BINDINGS_CLK_SUN7I_A20_H_ */

include/dt-bindings/reset/sun4i-a10-ccu.h

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2017 Priit Laes <plaes@plaes.org>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License as
+ *     published by the Free Software Foundation; either version 2 of the
+ *     License, or (at your option) any later version.
+ *
+ *     This file is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use,
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _DT_BINDINGS_RST_SUN4I_A10_H
+#define _DT_BINDINGS_RST_SUN4I_A10_H
+
+#define	RST_USB_PHY0		1
+#define	RST_USB_PHY1		2
+#define	RST_USB_PHY2		3
+#define	RST_GPS			4
+#define	RST_DE_BE0		5
+#define	RST_DE_BE1		6
+#define	RST_DE_FE0		7
+#define	RST_DE_FE1		8
+#define	RST_DE_MP		9
+#define	RST_TVE0		10
+#define	RST_TCON0		11
+#define	RST_TVE1		12
+#define	RST_TCON1		13
+#define	RST_CSI0		14
+#define	RST_CSI1		15
+#define	RST_VE			16
+#define	RST_ACE			17
+#define	RST_LVDS		18
+#define	RST_GPU			19
+#define	RST_HDMI_H		20
+#define	RST_HDMI_SYS		21
+#define	RST_HDMI_AUDIO_DMA	22
+
+#endif /* DT_BINDINGS_RST_SUN4I_A10_H */