x86: apl: Add pinctrl driver

Add a driver for the Apollo Lake pinctrl. This mostly makes use of the
common Intel pinctrl support.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 485 insertions, 0 deletions

diff --git a/arch/x86/include/asm/arch-apollolake/gpio.h b/arch/x86/include/asm/arch-apollolake/gpio.h
new file mode 100644
index 0000000000..10879c168e
--- /dev/null
+++ b/arch/x86/include/asm/arch-apollolake/gpio.h
@@ -0,0 +1,485 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Definitions for the GPIO subsystem on Apollolake
+ *
+ * Copyright (C) 2015 - 2017 Intel Corp.
+ * (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
+ *
+ * Placed in a separate file since some of these definitions can be used from
+ * assembly code
+ *
+ * Taken from gpio_apl.h in coreboot
+ */
+
+#ifndef _ASM_ARCH_GPIO_H_
+#define _ASM_ARCH_GPIO_H_
+
+/* Port ids */
+#define PID_GPIO_SW	0xC0
+#define PID_GPIO_S	0xC2
+#define PID_GPIO_W	0xC7
+#define PID_GPIO_NW	0xC4
+#define PID_GPIO_N	0xC5
+#define PID_ITSS	0xD0
+#define PID_RTC		0xD1
+
+/*
+ * Miscellaneous Configuration register(MISCCFG). These are community-specific
+ * registers and are meant to house miscellaneous configuration fields per
+ * community. There are 8 GPIO groups: GPP_0 -> GPP_8 (Group 3 is absent)
+ */
+#define GPIO_MISCCFG		0x10 /* Miscellaneous Configuration offset */
+#define  GPIO_GPE_SW_31_0	0 /* SOUTHWEST GPIO#  0 ~ 31 belong to GROUP0 */
+#define  GPIO_GPE_SW_63_32	1 /* SOUTHWEST GPIO# 32 ~ 42 belong to GROUP1 */
+#define  GPIO_GPE_W_31_0	2 /* WEST      GPIO#  0 ~ 25 belong to GROUP2 */
+#define  GPIO_GPE_NW_31_0	4 /* NORTHWEST GPIO#  0 ~ 17 belong to GROUP4 */
+#define  GPIO_GPE_NW_63_32	5 /* NORTHWEST GPIO# 32 ~ 63 belong to GROUP5 */
+#define  GPIO_GPE_NW_95_64	6 /* NORTHWEST GPIO# 64 ~ 76 belong to GROUP6 */
+#define  GPIO_GPE_N_31_0	7 /* NORTH     GPIO#  0 ~ 31 belong to GROUP7 */
+#define  GPIO_GPE_N_63_32	8 /* NORTH     GPIO# 32 ~ 61 belong to GROUP8 */
+
+#define GPIO_MAX_NUM_PER_GROUP	32
+
+/*
+ * Host Software Pad Ownership Register.
+ * The pins in the community are divided into 3 groups:
+ * GPIO 0 ~ 31, GPIO 32 ~ 63, GPIO 64 ~ 95
+ */
+#define HOSTSW_OWN_REG_0		0x80
+
+#define PAD_CFG_BASE			0x500
+
+#define GPI_INT_STS_0			0x100
+#define GPI_INT_EN_0			0x110
+
+#define GPI_SMI_STS_0			0x140
+#define GPI_SMI_EN_0			0x150
+
+#define NUM_N_PADS			(PAD_N(SVID0_CLK) + 1)
+#define NUM_NW_PADS			(PAD_NW(GPIO_123) + 1)
+#define NUM_W_PADS			(PAD_W(SUSPWRDNACK) + 1)
+#define NUM_SW_PADS			(PAD_SW(LPC_FRAMEB) + 1)
+
+#define NUM_N_GPI_REGS	\
+	(ALIGN(NUM_N_PADS, GPIO_MAX_NUM_PER_GROUP) / GPIO_MAX_NUM_PER_GROUP)
+
+#define NUM_NW_GPI_REGS	\
+	(ALIGN(NUM_NW_PADS, GPIO_MAX_NUM_PER_GROUP) / GPIO_MAX_NUM_PER_GROUP)
+
+#define NUM_W_GPI_REGS	\
+	(ALIGN(NUM_W_PADS, GPIO_MAX_NUM_PER_GROUP) / GPIO_MAX_NUM_PER_GROUP)
+
+#define NUM_SW_GPI_REGS	\
+	(ALIGN(NUM_SW_PADS, GPIO_MAX_NUM_PER_GROUP) / GPIO_MAX_NUM_PER_GROUP)
+
+/*
+ * Total number of GPI status registers across all GPIO communities in the SOC
+ */
+#define NUM_GPI_STATUS_REGS		(NUM_N_GPI_REGS + NUM_NW_GPI_REGS \
+					+ NUM_W_GPI_REGS + NUM_SW_GPI_REGS)
+
+/* North community pads */
+#define GPIO_0				0
+#define GPIO_1				1
+#define GPIO_2				2
+#define GPIO_3				3
+#define GPIO_4				4
+#define GPIO_5				5
+#define GPIO_6				6
+#define GPIO_7				7
+#define GPIO_8				8
+#define GPIO_9				9
+#define GPIO_10				10
+#define GPIO_11				11
+#define GPIO_12				12
+#define GPIO_13				13
+#define GPIO_14				14
+#define GPIO_15				15
+#define GPIO_16				16
+#define GPIO_17				17
+#define GPIO_18				18
+#define GPIO_19				19
+#define GPIO_20				20
+#define GPIO_21				21
+#define GPIO_22				22
+#define GPIO_23				23
+#define GPIO_24				24
+#define GPIO_25				25
+#define GPIO_26				26
+#define GPIO_27				27
+#define GPIO_28				28
+#define GPIO_29				29
+#define GPIO_30				30
+#define GPIO_31				31
+#define GPIO_32				32
+#define GPIO_33				33
+#define GPIO_34				34
+#define GPIO_35				35
+#define GPIO_36				36
+#define GPIO_37				37
+#define GPIO_38				38
+#define GPIO_39				39
+#define GPIO_40				40
+#define GPIO_41				41
+#define GPIO_42				42
+#define GPIO_43				43
+#define GPIO_44				44
+#define GPIO_45				45
+#define GPIO_46				46
+#define GPIO_47				47
+#define GPIO_48				48
+#define GPIO_49				49
+#define GPIO_62				50
+#define GPIO_63				51
+#define GPIO_64				52
+#define GPIO_65				53
+#define GPIO_66				54
+#define GPIO_67				55
+#define GPIO_68				56
+#define GPIO_69				57
+#define GPIO_70				58
+#define GPIO_71				59
+#define GPIO_72				60
+#define GPIO_73				61
+#define JTAG_TCK			62
+#define JTAG_TRST_B			63
+#define JTAG_TMS			64
+#define JTAG_TDI			65
+#define JTAG_CX_PMODE			66
+#define JTAG_CX_PREQ_B			67
+#define JTAGX				68
+#define JTAG_CX_PRDY_B			69
+#define JTAG_TDO			70
+#define CNV_BRI_DT			71
+#define CNV_BRI_RSP			72
+#define CNV_RGI_DT			73
+#define CNV_RGI_RSP			74
+#define SVID0_ALERT_B			75
+#define SVID0_DATA			76
+#define SVID0_CLK			77
+
+/* Northwest community pads */
+#define GPIO_187			78
+#define GPIO_188			79
+#define GPIO_189			80
+#define GPIO_190			81
+#define GPIO_191			82
+#define GPIO_192			83
+#define GPIO_193			84
+#define GPIO_194			85
+#define GPIO_195			86
+#define GPIO_196			87
+#define GPIO_197			88
+#define GPIO_198			89
+#define GPIO_199			90
+#define GPIO_200			91
+#define GPIO_201			92
+#define GPIO_202			93
+#define GPIO_203			94
+#define GPIO_204			95
+#define PMC_SPI_FS0			96
+#define PMC_SPI_FS1			97
+#define PMC_SPI_FS2			98
+#define PMC_SPI_RXD			99
+#define PMC_SPI_TXD			100
+#define PMC_SPI_CLK			101
+#define PMIC_PWRGOOD			102
+#define PMIC_RESET_B			103
+#define GPIO_213			104
+#define GPIO_214			105
+#define GPIO_215			106
+#define PMIC_THERMTRIP_B		107
+#define PMIC_STDBY			108
+#define PROCHOT_B			109
+#define PMIC_I2C_SCL			110
+#define PMIC_I2C_SDA			111
+#define GPIO_74				112
+#define GPIO_75				113
+#define GPIO_76				114
+#define GPIO_77				115
+#define GPIO_78				116
+#define GPIO_79				117
+#define GPIO_80				118
+#define GPIO_81				119
+#define GPIO_82				120
+#define GPIO_83				121
+#define GPIO_84				122
+#define GPIO_85				123
+#define GPIO_86				124
+#define GPIO_87				125
+#define GPIO_88				126
+#define GPIO_89				127
+#define GPIO_90				128
+#define GPIO_91				129
+#define GPIO_92				130
+#define GPIO_97				131
+#define GPIO_98				132
+#define GPIO_99				133
+#define GPIO_100			134
+#define GPIO_101			135
+#define GPIO_102			136
+#define GPIO_103			137
+#define FST_SPI_CLK_FB			138
+#define GPIO_104			139
+#define GPIO_105			140
+#define GPIO_106			141
+#define GPIO_109			142
+#define GPIO_110			143
+#define GPIO_111			144
+#define GPIO_112			145
+#define GPIO_113			146
+#define GPIO_116			147
+#define GPIO_117			148
+#define GPIO_118			149
+#define GPIO_119			150
+#define GPIO_120			151
+#define GPIO_121			152
+#define GPIO_122			153
+#define GPIO_123			154
+
+/* West community pads */
+#define GPIO_124			155
+#define GPIO_125			156
+#define GPIO_126			157
+#define GPIO_127			158
+#define GPIO_128			159
+#define GPIO_129			160
+#define GPIO_130			161
+#define GPIO_131			162
+#define GPIO_132			163
+#define GPIO_133			164
+#define GPIO_134			165
+#define GPIO_135			166
+#define GPIO_136			167
+#define GPIO_137			168
+#define GPIO_138			169
+#define GPIO_139			170
+#define GPIO_146			171
+#define GPIO_147			172
+#define GPIO_148			173
+#define GPIO_149			174
+#define GPIO_150			175
+#define GPIO_151			176
+#define GPIO_152			177
+#define GPIO_153			178
+#define GPIO_154			179
+#define GPIO_155			180
+#define GPIO_209			181
+#define GPIO_210			182
+#define GPIO_211			183
+#define GPIO_212			184
+#define OSC_CLK_OUT_0			185
+#define OSC_CLK_OUT_1			186
+#define OSC_CLK_OUT_2			187
+#define OSC_CLK_OUT_3			188
+#define OSC_CLK_OUT_4			189
+#define PMU_AC_PRESENT			190
+#define PMU_BATLOW_B			191
+#define PMU_PLTRST_B			192
+#define PMU_PWRBTN_B			193
+#define PMU_RESETBUTTON_B		194
+#define PMU_SLP_S0_B			195
+#define PMU_SLP_S3_B			196
+#define PMU_SLP_S4_B			197
+#define PMU_SUSCLK			198
+#define PMU_WAKE_B			199
+#define SUS_STAT_B			200
+#define SUSPWRDNACK			201
+
+/* Southwest community pads */
+#define GPIO_205			202
+#define GPIO_206			203
+#define GPIO_207			204
+#define GPIO_208			205
+#define GPIO_156			206
+#define GPIO_157			207
+#define GPIO_158			208
+#define GPIO_159			209
+#define GPIO_160			210
+#define GPIO_161			211
+#define GPIO_162			212
+#define GPIO_163			213
+#define GPIO_164			214
+#define GPIO_165			215
+#define GPIO_166			216
+#define GPIO_167			217
+#define GPIO_168			218
+#define GPIO_169			219
+#define GPIO_170			220
+#define GPIO_171			221
+#define GPIO_172			222
+#define GPIO_179			223
+#define GPIO_173			224
+#define GPIO_174			225
+#define GPIO_175			226
+#define GPIO_176			227
+#define GPIO_177			228
+#define GPIO_178			229
+#define GPIO_186			230
+#define GPIO_182			231
+#define GPIO_183			232
+#define SMB_ALERTB			233
+#define SMB_CLK				234
+#define SMB_DATA			235
+#define LPC_ILB_SERIRQ			236
+#define LPC_CLKOUT0			237
+#define LPC_CLKOUT1			238
+#define LPC_AD0				239
+#define LPC_AD1				240
+#define LPC_AD2				241
+#define LPC_AD3				242
+#define LPC_CLKRUNB			243
+#define LPC_FRAMEB			244
+
+/* PERST_0 not defined */
+#define GPIO_PRT0_UDEF			0xFF
+
+#define TOTAL_PADS			245
+#define N_OFFSET			GPIO_0
+#define NW_OFFSET			GPIO_187
+#define W_OFFSET			GPIO_124
+#define SW_OFFSET			GPIO_205
+
+/* Macros for translating a global pad offset to a local offset */
+#define PAD_N(pad)			(pad - N_OFFSET)
+#define PAD_NW(pad)			(pad - NW_OFFSET)
+#define PAD_W(pad)			(pad - W_OFFSET)
+#define PAD_SW(pad)			(pad - SW_OFFSET)
+
+/* Linux names of the GPIO devices */
+#define GPIO_COMM_N_NAME		"INT3452:00"
+#define GPIO_COMM_NW_NAME		"INT3452:01"
+#define GPIO_COMM_W_NAME		"INT3452:02"
+#define GPIO_COMM_SW_NAME		"INT3452:03"
+
+/* Following is used in gpio asl */
+#define GPIO_COMM_NAME			"INT3452"
+#define GPIO_COMM_0_DESC	\
+	"General Purpose Input/Output (GPIO) Controller - North"
+#define GPIO_COMM_1_DESC	\
+	"General Purpose Input/Output (GPIO) Controller - Northwest"
+#define GPIO_COMM_2_DESC	\
+	"General Purpose Input/Output (GPIO) Controller - West"
+#define GPIO_COMM_3_DESC	\
+	"General Purpose Input/Output (GPIO) Controller - Southwest"
+
+#define GPIO_COMM0_PID			PID_GPIO_N
+#define GPIO_COMM1_PID			PID_GPIO_NW
+#define GPIO_COMM2_PID			PID_GPIO_W
+#define GPIO_COMM3_PID			PID_GPIO_SW
+
+/*
+ * IOxAPIC IRQs for the GPIOs, overlap is expected as we encourage to use
+ * shared IRQ instead of direct IRQ, in case of overlapping, we can easily
+ * program one of the overlap to shared IRQ to avoid the conflict.
+ */
+
+/* NorthWest community pads */
+#define PMIC_I2C_SDA_IRQ		0x32
+#define GPIO_74_IRQ			0x33
+#define GPIO_75_IRQ			0x34
+#define GPIO_76_IRQ			0x35
+#define GPIO_77_IRQ			0x36
+#define GPIO_78_IRQ			0x37
+#define GPIO_79_IRQ			0x38
+#define GPIO_80_IRQ			0x39
+#define GPIO_81_IRQ			0x3A
+#define GPIO_82_IRQ			0x3B
+#define GPIO_83_IRQ			0x3C
+#define GPIO_84_IRQ			0x3D
+#define GPIO_85_IRQ			0x3E
+#define GPIO_86_IRQ			0x3F
+#define GPIO_87_IRQ			0x40
+#define GPIO_88_IRQ			0x41
+#define GPIO_89_IRQ			0x42
+#define GPIO_90_IRQ			0x43
+#define GPIO_91_IRQ			0x44
+#define GPIO_97_IRQ			0x49
+#define GPIO_98_IRQ			0x4A
+#define GPIO_99_IRQ			0x4B
+#define GPIO_100_IRQ			0x4C
+#define GPIO_101_IRQ			0x4D
+#define GPIO_102_IRQ			0x4E
+#define GPIO_103_IRQ			0x4F
+#define GPIO_104_IRQ			0x50
+#define GPIO_105_IRQ			0x51
+#define GPIO_106_IRQ			0x52
+#define GPIO_109_IRQ			0x54
+#define GPIO_110_IRQ			0x55
+#define GPIO_111_IRQ			0x56
+#define GPIO_112_IRQ			0x57
+#define GPIO_113_IRQ			0x58
+#define GPIO_116_IRQ			0x5B
+#define GPIO_117_IRQ			0x5C
+#define GPIO_118_IRQ			0x5D
+#define GPIO_119_IRQ			0x5E
+#define GPIO_120_IRQ			0x5F
+#define GPIO_121_IRQ			0x60
+#define GPIO_122_IRQ			0x61
+#define GPIO_123_IRQ			0x62
+
+/* North community pads */
+#define GPIO_0_IRQ			0x63
+#define GPIO_1_IRQ			0x64
+#define GPIO_2_IRQ			0x65
+#define GPIO_3_IRQ			0x66
+#define GPIO_4_IRQ			0x67
+#define GPIO_5_IRQ			0x68
+#define GPIO_6_IRQ			0x69
+#define GPIO_7_IRQ			0x6A
+#define GPIO_8_IRQ			0x6B
+#define GPIO_9_IRQ			0x6C
+#define GPIO_10_IRQ			0x6D
+#define GPIO_11_IRQ			0x6E
+#define GPIO_12_IRQ			0x6F
+#define GPIO_13_IRQ			0x70
+#define GPIO_14_IRQ			0x71
+#define GPIO_15_IRQ			0x72
+#define GPIO_16_IRQ			0x73
+#define GPIO_17_IRQ			0x74
+#define GPIO_18_IRQ			0x75
+#define GPIO_19_IRQ			0x76
+#define GPIO_20_IRQ			0x77
+#define GPIO_21_IRQ			0x32
+#define GPIO_22_IRQ			0x33
+#define GPIO_23_IRQ			0x34
+#define GPIO_24_IRQ			0x35
+#define GPIO_25_IRQ			0x36
+#define GPIO_26_IRQ			0x37
+#define GPIO_27_IRQ			0x38
+#define GPIO_28_IRQ			0x39
+#define GPIO_29_IRQ			0x3A
+#define GPIO_30_IRQ			0x3B
+#define GPIO_31_IRQ			0x3C
+#define GPIO_32_IRQ			0x3D
+#define GPIO_33_IRQ			0x3E
+#define GPIO_34_IRQ			0x3F
+#define GPIO_35_IRQ			0x40
+#define GPIO_36_IRQ			0x41
+#define GPIO_37_IRQ			0x42
+#define GPIO_38_IRQ			0x43
+#define GPIO_39_IRQ			0x44
+#define GPIO_40_IRQ			0x45
+#define GPIO_41_IRQ			0x46
+#define GPIO_42_IRQ			0x47
+#define GPIO_43_IRQ			0x48
+#define GPIO_44_IRQ			0x49
+#define GPIO_45_IRQ			0x4A
+#define GPIO_46_IRQ			0x4B
+#define GPIO_47_IRQ			0x4C
+#define GPIO_48_IRQ			0x4D
+#define GPIO_49_IRQ			0x4E
+#define GPIO_62_IRQ			0x5B
+#define GPIO_63_IRQ			0x5C
+#define GPIO_64_IRQ			0x5D
+#define GPIO_65_IRQ			0x5E
+#define GPIO_66_IRQ			0x5F
+#define GPIO_67_IRQ			0x60
+#define GPIO_68_IRQ			0x61
+#define GPIO_69_IRQ			0x62
+#define GPIO_70_IRQ			0x63
+#define GPIO_71_IRQ			0x64
+#define GPIO_72_IRQ			0x65
+#define GPIO_73_IRQ			0x66
+
+#endif /* _ASM_ARCH_GPIO_H_ */