Revision 8f4fd86aa5d6aa122619623910065d236592e37c authored by David Woodhouse on 06 January 2021, 15:39:55 UTC, committed by Juergen Gross on 13 January 2021, 15:12:03 UTC
With INTX or GSI delivery, Xen uses the event channel structures of CPU0.

If the interrupt gets handled by Linux on a different CPU, then no events
are seen as pending. Rather than introducing locking to allow other CPUs
to process CPU0's events, just ensure that the PCI interrupts happens
only on CPU0.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/20210106153958.584169-3-dwmw2@infradead.org
Signed-off-by: Juergen Gross <jgross@suse.com>
1 parent 3499ba8
Raw File
pinctrl-bcm281xx.c
/*
 * Copyright (C) 2013-2017 Broadcom
 *
 * 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 version 2.
 *
 * This program is distributed "as is" WITHOUT ANY WARRANTY of any
 * kind, whether express or implied; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/err.h>
#include <linux/io.h>
#include <linux/init.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/regmap.h>
#include <linux/slab.h>
#include "../core.h"
#include "../pinctrl-utils.h"

/* BCM281XX Pin Control Registers Definitions */

/* Function Select bits are the same for all pin control registers */
#define BCM281XX_PIN_REG_F_SEL_MASK		0x0700
#define BCM281XX_PIN_REG_F_SEL_SHIFT		8

/* Standard pin register */
#define BCM281XX_STD_PIN_REG_DRV_STR_MASK	0x0007
#define BCM281XX_STD_PIN_REG_DRV_STR_SHIFT	0
#define BCM281XX_STD_PIN_REG_INPUT_DIS_MASK	0x0008
#define BCM281XX_STD_PIN_REG_INPUT_DIS_SHIFT	3
#define BCM281XX_STD_PIN_REG_SLEW_MASK		0x0010
#define BCM281XX_STD_PIN_REG_SLEW_SHIFT		4
#define BCM281XX_STD_PIN_REG_PULL_UP_MASK	0x0020
#define BCM281XX_STD_PIN_REG_PULL_UP_SHIFT	5
#define BCM281XX_STD_PIN_REG_PULL_DN_MASK	0x0040
#define BCM281XX_STD_PIN_REG_PULL_DN_SHIFT	6
#define BCM281XX_STD_PIN_REG_HYST_MASK		0x0080
#define BCM281XX_STD_PIN_REG_HYST_SHIFT		7

/* I2C pin register */
#define BCM281XX_I2C_PIN_REG_INPUT_DIS_MASK	0x0004
#define BCM281XX_I2C_PIN_REG_INPUT_DIS_SHIFT	2
#define BCM281XX_I2C_PIN_REG_SLEW_MASK		0x0008
#define BCM281XX_I2C_PIN_REG_SLEW_SHIFT		3
#define BCM281XX_I2C_PIN_REG_PULL_UP_STR_MASK	0x0070
#define BCM281XX_I2C_PIN_REG_PULL_UP_STR_SHIFT	4

/* HDMI pin register */
#define BCM281XX_HDMI_PIN_REG_INPUT_DIS_MASK	0x0008
#define BCM281XX_HDMI_PIN_REG_INPUT_DIS_SHIFT	3
#define BCM281XX_HDMI_PIN_REG_MODE_MASK		0x0010
#define BCM281XX_HDMI_PIN_REG_MODE_SHIFT	4

/*
 * bcm281xx_pin_type - types of pin register
 */
enum bcm281xx_pin_type {
	BCM281XX_PIN_TYPE_UNKNOWN = 0,
	BCM281XX_PIN_TYPE_STD,
	BCM281XX_PIN_TYPE_I2C,
	BCM281XX_PIN_TYPE_HDMI,
};

static enum bcm281xx_pin_type std_pin = BCM281XX_PIN_TYPE_STD;
static enum bcm281xx_pin_type i2c_pin = BCM281XX_PIN_TYPE_I2C;
static enum bcm281xx_pin_type hdmi_pin = BCM281XX_PIN_TYPE_HDMI;

/*
 * bcm281xx_pin_function- define pin function
 */
struct bcm281xx_pin_function {
	const char *name;
	const char * const *groups;
	const unsigned ngroups;
};

/*
 * bcm281xx_pinctrl_data - Broadcom-specific pinctrl data
 * @reg_base - base of pinctrl registers
 */
struct bcm281xx_pinctrl_data {
	void __iomem *reg_base;

	/* List of all pins */
	const struct pinctrl_pin_desc *pins;
	const unsigned npins;

	const struct bcm281xx_pin_function *functions;
	const unsigned nfunctions;

	struct regmap *regmap;
};

/*
 * Pin number definition.  The order here must be the same as defined in the
 * PADCTRLREG block in the RDB.
 */
#define BCM281XX_PIN_ADCSYNC		0
#define BCM281XX_PIN_BAT_RM		1
#define BCM281XX_PIN_BSC1_SCL		2
#define BCM281XX_PIN_BSC1_SDA		3
#define BCM281XX_PIN_BSC2_SCL		4
#define BCM281XX_PIN_BSC2_SDA		5
#define BCM281XX_PIN_CLASSGPWR		6
#define BCM281XX_PIN_CLK_CX8		7
#define BCM281XX_PIN_CLKOUT_0		8
#define BCM281XX_PIN_CLKOUT_1		9
#define BCM281XX_PIN_CLKOUT_2		10
#define BCM281XX_PIN_CLKOUT_3		11
#define BCM281XX_PIN_CLKREQ_IN_0	12
#define BCM281XX_PIN_CLKREQ_IN_1	13
#define BCM281XX_PIN_CWS_SYS_REQ1	14
#define BCM281XX_PIN_CWS_SYS_REQ2	15
#define BCM281XX_PIN_CWS_SYS_REQ3	16
#define BCM281XX_PIN_DIGMIC1_CLK	17
#define BCM281XX_PIN_DIGMIC1_DQ		18
#define BCM281XX_PIN_DIGMIC2_CLK	19
#define BCM281XX_PIN_DIGMIC2_DQ		20
#define BCM281XX_PIN_GPEN13		21
#define BCM281XX_PIN_GPEN14		22
#define BCM281XX_PIN_GPEN15		23
#define BCM281XX_PIN_GPIO00		24
#define BCM281XX_PIN_GPIO01		25
#define BCM281XX_PIN_GPIO02		26
#define BCM281XX_PIN_GPIO03		27
#define BCM281XX_PIN_GPIO04		28
#define BCM281XX_PIN_GPIO05		29
#define BCM281XX_PIN_GPIO06		30
#define BCM281XX_PIN_GPIO07		31
#define BCM281XX_PIN_GPIO08		32
#define BCM281XX_PIN_GPIO09		33
#define BCM281XX_PIN_GPIO10		34
#define BCM281XX_PIN_GPIO11		35
#define BCM281XX_PIN_GPIO12		36
#define BCM281XX_PIN_GPIO13		37
#define BCM281XX_PIN_GPIO14		38
#define BCM281XX_PIN_GPS_PABLANK	39
#define BCM281XX_PIN_GPS_TMARK		40
#define BCM281XX_PIN_HDMI_SCL		41
#define BCM281XX_PIN_HDMI_SDA		42
#define BCM281XX_PIN_IC_DM		43
#define BCM281XX_PIN_IC_DP		44
#define BCM281XX_PIN_KP_COL_IP_0	45
#define BCM281XX_PIN_KP_COL_IP_1	46
#define BCM281XX_PIN_KP_COL_IP_2	47
#define BCM281XX_PIN_KP_COL_IP_3	48
#define BCM281XX_PIN_KP_ROW_OP_0	49
#define BCM281XX_PIN_KP_ROW_OP_1	50
#define BCM281XX_PIN_KP_ROW_OP_2	51
#define BCM281XX_PIN_KP_ROW_OP_3	52
#define BCM281XX_PIN_LCD_B_0		53
#define BCM281XX_PIN_LCD_B_1		54
#define BCM281XX_PIN_LCD_B_2		55
#define BCM281XX_PIN_LCD_B_3		56
#define BCM281XX_PIN_LCD_B_4		57
#define BCM281XX_PIN_LCD_B_5		58
#define BCM281XX_PIN_LCD_B_6		59
#define BCM281XX_PIN_LCD_B_7		60
#define BCM281XX_PIN_LCD_G_0		61
#define BCM281XX_PIN_LCD_G_1		62
#define BCM281XX_PIN_LCD_G_2		63
#define BCM281XX_PIN_LCD_G_3		64
#define BCM281XX_PIN_LCD_G_4		65
#define BCM281XX_PIN_LCD_G_5		66
#define BCM281XX_PIN_LCD_G_6		67
#define BCM281XX_PIN_LCD_G_7		68
#define BCM281XX_PIN_LCD_HSYNC		69
#define BCM281XX_PIN_LCD_OE		70
#define BCM281XX_PIN_LCD_PCLK		71
#define BCM281XX_PIN_LCD_R_0		72
#define BCM281XX_PIN_LCD_R_1		73
#define BCM281XX_PIN_LCD_R_2		74
#define BCM281XX_PIN_LCD_R_3		75
#define BCM281XX_PIN_LCD_R_4		76
#define BCM281XX_PIN_LCD_R_5		77
#define BCM281XX_PIN_LCD_R_6		78
#define BCM281XX_PIN_LCD_R_7		79
#define BCM281XX_PIN_LCD_VSYNC		80
#define BCM281XX_PIN_MDMGPIO0		81
#define BCM281XX_PIN_MDMGPIO1		82
#define BCM281XX_PIN_MDMGPIO2		83
#define BCM281XX_PIN_MDMGPIO3		84
#define BCM281XX_PIN_MDMGPIO4		85
#define BCM281XX_PIN_MDMGPIO5		86
#define BCM281XX_PIN_MDMGPIO6		87
#define BCM281XX_PIN_MDMGPIO7		88
#define BCM281XX_PIN_MDMGPIO8		89
#define BCM281XX_PIN_MPHI_DATA_0	90
#define BCM281XX_PIN_MPHI_DATA_1	91
#define BCM281XX_PIN_MPHI_DATA_2	92
#define BCM281XX_PIN_MPHI_DATA_3	93
#define BCM281XX_PIN_MPHI_DATA_4	94
#define BCM281XX_PIN_MPHI_DATA_5	95
#define BCM281XX_PIN_MPHI_DATA_6	96
#define BCM281XX_PIN_MPHI_DATA_7	97
#define BCM281XX_PIN_MPHI_DATA_8	98
#define BCM281XX_PIN_MPHI_DATA_9	99
#define BCM281XX_PIN_MPHI_DATA_10	100
#define BCM281XX_PIN_MPHI_DATA_11	101
#define BCM281XX_PIN_MPHI_DATA_12	102
#define BCM281XX_PIN_MPHI_DATA_13	103
#define BCM281XX_PIN_MPHI_DATA_14	104
#define BCM281XX_PIN_MPHI_DATA_15	105
#define BCM281XX_PIN_MPHI_HA0		106
#define BCM281XX_PIN_MPHI_HAT0		107
#define BCM281XX_PIN_MPHI_HAT1		108
#define BCM281XX_PIN_MPHI_HCE0_N	109
#define BCM281XX_PIN_MPHI_HCE1_N	110
#define BCM281XX_PIN_MPHI_HRD_N		111
#define BCM281XX_PIN_MPHI_HWR_N		112
#define BCM281XX_PIN_MPHI_RUN0		113
#define BCM281XX_PIN_MPHI_RUN1		114
#define BCM281XX_PIN_MTX_SCAN_CLK	115
#define BCM281XX_PIN_MTX_SCAN_DATA	116
#define BCM281XX_PIN_NAND_AD_0		117
#define BCM281XX_PIN_NAND_AD_1		118
#define BCM281XX_PIN_NAND_AD_2		119
#define BCM281XX_PIN_NAND_AD_3		120
#define BCM281XX_PIN_NAND_AD_4		121
#define BCM281XX_PIN_NAND_AD_5		122
#define BCM281XX_PIN_NAND_AD_6		123
#define BCM281XX_PIN_NAND_AD_7		124
#define BCM281XX_PIN_NAND_ALE		125
#define BCM281XX_PIN_NAND_CEN_0		126
#define BCM281XX_PIN_NAND_CEN_1		127
#define BCM281XX_PIN_NAND_CLE		128
#define BCM281XX_PIN_NAND_OEN		129
#define BCM281XX_PIN_NAND_RDY_0		130
#define BCM281XX_PIN_NAND_RDY_1		131
#define BCM281XX_PIN_NAND_WEN		132
#define BCM281XX_PIN_NAND_WP		133
#define BCM281XX_PIN_PC1		134
#define BCM281XX_PIN_PC2		135
#define BCM281XX_PIN_PMU_INT		136
#define BCM281XX_PIN_PMU_SCL		137
#define BCM281XX_PIN_PMU_SDA		138
#define BCM281XX_PIN_RFST2G_MTSLOTEN3G	139
#define BCM281XX_PIN_RGMII_0_RX_CTL	140
#define BCM281XX_PIN_RGMII_0_RXC	141
#define BCM281XX_PIN_RGMII_0_RXD_0	142
#define BCM281XX_PIN_RGMII_0_RXD_1	143
#define BCM281XX_PIN_RGMII_0_RXD_2	144
#define BCM281XX_PIN_RGMII_0_RXD_3	145
#define BCM281XX_PIN_RGMII_0_TX_CTL	146
#define BCM281XX_PIN_RGMII_0_TXC	147
#define BCM281XX_PIN_RGMII_0_TXD_0	148
#define BCM281XX_PIN_RGMII_0_TXD_1	149
#define BCM281XX_PIN_RGMII_0_TXD_2	150
#define BCM281XX_PIN_RGMII_0_TXD_3	151
#define BCM281XX_PIN_RGMII_1_RX_CTL	152
#define BCM281XX_PIN_RGMII_1_RXC	153
#define BCM281XX_PIN_RGMII_1_RXD_0	154
#define BCM281XX_PIN_RGMII_1_RXD_1	155
#define BCM281XX_PIN_RGMII_1_RXD_2	156
#define BCM281XX_PIN_RGMII_1_RXD_3	157
#define BCM281XX_PIN_RGMII_1_TX_CTL	158
#define BCM281XX_PIN_RGMII_1_TXC	159
#define BCM281XX_PIN_RGMII_1_TXD_0	160
#define BCM281XX_PIN_RGMII_1_TXD_1	161
#define BCM281XX_PIN_RGMII_1_TXD_2	162
#define BCM281XX_PIN_RGMII_1_TXD_3	163
#define BCM281XX_PIN_RGMII_GPIO_0	164
#define BCM281XX_PIN_RGMII_GPIO_1	165
#define BCM281XX_PIN_RGMII_GPIO_2	166
#define BCM281XX_PIN_RGMII_GPIO_3	167
#define BCM281XX_PIN_RTXDATA2G_TXDATA3G1	168
#define BCM281XX_PIN_RTXEN2G_TXDATA3G2	169
#define BCM281XX_PIN_RXDATA3G0		170
#define BCM281XX_PIN_RXDATA3G1		171
#define BCM281XX_PIN_RXDATA3G2		172
#define BCM281XX_PIN_SDIO1_CLK		173
#define BCM281XX_PIN_SDIO1_CMD		174
#define BCM281XX_PIN_SDIO1_DATA_0	175
#define BCM281XX_PIN_SDIO1_DATA_1	176
#define BCM281XX_PIN_SDIO1_DATA_2	177
#define BCM281XX_PIN_SDIO1_DATA_3	178
#define BCM281XX_PIN_SDIO4_CLK		179
#define BCM281XX_PIN_SDIO4_CMD		180
#define BCM281XX_PIN_SDIO4_DATA_0	181
#define BCM281XX_PIN_SDIO4_DATA_1	182
#define BCM281XX_PIN_SDIO4_DATA_2	183
#define BCM281XX_PIN_SDIO4_DATA_3	184
#define BCM281XX_PIN_SIM_CLK		185
#define BCM281XX_PIN_SIM_DATA		186
#define BCM281XX_PIN_SIM_DET		187
#define BCM281XX_PIN_SIM_RESETN		188
#define BCM281XX_PIN_SIM2_CLK		189
#define BCM281XX_PIN_SIM2_DATA		190
#define BCM281XX_PIN_SIM2_DET		191
#define BCM281XX_PIN_SIM2_RESETN	192
#define BCM281XX_PIN_SRI_C		193
#define BCM281XX_PIN_SRI_D		194
#define BCM281XX_PIN_SRI_E		195
#define BCM281XX_PIN_SSP_EXTCLK		196
#define BCM281XX_PIN_SSP0_CLK		197
#define BCM281XX_PIN_SSP0_FS		198
#define BCM281XX_PIN_SSP0_RXD		199
#define BCM281XX_PIN_SSP0_TXD		200
#define BCM281XX_PIN_SSP2_CLK		201
#define BCM281XX_PIN_SSP2_FS_0		202
#define BCM281XX_PIN_SSP2_FS_1		203
#define BCM281XX_PIN_SSP2_FS_2		204
#define BCM281XX_PIN_SSP2_FS_3		205
#define BCM281XX_PIN_SSP2_RXD_0		206
#define BCM281XX_PIN_SSP2_RXD_1		207
#define BCM281XX_PIN_SSP2_TXD_0		208
#define BCM281XX_PIN_SSP2_TXD_1		209
#define BCM281XX_PIN_SSP3_CLK		210
#define BCM281XX_PIN_SSP3_FS		211
#define BCM281XX_PIN_SSP3_RXD		212
#define BCM281XX_PIN_SSP3_TXD		213
#define BCM281XX_PIN_SSP4_CLK		214
#define BCM281XX_PIN_SSP4_FS		215
#define BCM281XX_PIN_SSP4_RXD		216
#define BCM281XX_PIN_SSP4_TXD		217
#define BCM281XX_PIN_SSP5_CLK		218
#define BCM281XX_PIN_SSP5_FS		219
#define BCM281XX_PIN_SSP5_RXD		220
#define BCM281XX_PIN_SSP5_TXD		221
#define BCM281XX_PIN_SSP6_CLK		222
#define BCM281XX_PIN_SSP6_FS		223
#define BCM281XX_PIN_SSP6_RXD		224
#define BCM281XX_PIN_SSP6_TXD		225
#define BCM281XX_PIN_STAT_1		226
#define BCM281XX_PIN_STAT_2		227
#define BCM281XX_PIN_SYSCLKEN		228
#define BCM281XX_PIN_TRACECLK		229
#define BCM281XX_PIN_TRACEDT00		230
#define BCM281XX_PIN_TRACEDT01		231
#define BCM281XX_PIN_TRACEDT02		232
#define BCM281XX_PIN_TRACEDT03		233
#define BCM281XX_PIN_TRACEDT04		234
#define BCM281XX_PIN_TRACEDT05		235
#define BCM281XX_PIN_TRACEDT06		236
#define BCM281XX_PIN_TRACEDT07		237
#define BCM281XX_PIN_TRACEDT08		238
#define BCM281XX_PIN_TRACEDT09		239
#define BCM281XX_PIN_TRACEDT10		240
#define BCM281XX_PIN_TRACEDT11		241
#define BCM281XX_PIN_TRACEDT12		242
#define BCM281XX_PIN_TRACEDT13		243
#define BCM281XX_PIN_TRACEDT14		244
#define BCM281XX_PIN_TRACEDT15		245
#define BCM281XX_PIN_TXDATA3G0		246
#define BCM281XX_PIN_TXPWRIND		247
#define BCM281XX_PIN_UARTB1_UCTS	248
#define BCM281XX_PIN_UARTB1_URTS	249
#define BCM281XX_PIN_UARTB1_URXD	250
#define BCM281XX_PIN_UARTB1_UTXD	251
#define BCM281XX_PIN_UARTB2_URXD	252
#define BCM281XX_PIN_UARTB2_UTXD	253
#define BCM281XX_PIN_UARTB3_UCTS	254
#define BCM281XX_PIN_UARTB3_URTS	255
#define BCM281XX_PIN_UARTB3_URXD	256
#define BCM281XX_PIN_UARTB3_UTXD	257
#define BCM281XX_PIN_UARTB4_UCTS	258
#define BCM281XX_PIN_UARTB4_URTS	259
#define BCM281XX_PIN_UARTB4_URXD	260
#define BCM281XX_PIN_UARTB4_UTXD	261
#define BCM281XX_PIN_VC_CAM1_SCL	262
#define BCM281XX_PIN_VC_CAM1_SDA	263
#define BCM281XX_PIN_VC_CAM2_SCL	264
#define BCM281XX_PIN_VC_CAM2_SDA	265
#define BCM281XX_PIN_VC_CAM3_SCL	266
#define BCM281XX_PIN_VC_CAM3_SDA	267

#define BCM281XX_PIN_DESC(a, b, c) \
	{ .number = a, .name = b, .drv_data = &c##_pin }

/*
 * Pin description definition.  The order here must be the same as defined in
 * the PADCTRLREG block in the RDB, since the pin number is used as an index
 * into this array.
 */
static const struct pinctrl_pin_desc bcm281xx_pinctrl_pins[] = {
	BCM281XX_PIN_DESC(BCM281XX_PIN_ADCSYNC, "adcsync", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_BAT_RM, "bat_rm", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC1_SCL, "bsc1_scl", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC1_SDA, "bsc1_sda", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC2_SCL, "bsc2_scl", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_BSC2_SDA, "bsc2_sda", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLASSGPWR, "classgpwr", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLK_CX8, "clk_cx8", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_0, "clkout_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_1, "clkout_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_2, "clkout_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKOUT_3, "clkout_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKREQ_IN_0, "clkreq_in_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CLKREQ_IN_1, "clkreq_in_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ1, "cws_sys_req1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ2, "cws_sys_req2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_CWS_SYS_REQ3, "cws_sys_req3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC1_CLK, "digmic1_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC1_DQ, "digmic1_dq", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC2_CLK, "digmic2_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_DIGMIC2_DQ, "digmic2_dq", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN13, "gpen13", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN14, "gpen14", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPEN15, "gpen15", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO00, "gpio00", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO01, "gpio01", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO02, "gpio02", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO03, "gpio03", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO04, "gpio04", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO05, "gpio05", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO06, "gpio06", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO07, "gpio07", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO08, "gpio08", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO09, "gpio09", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO10, "gpio10", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO11, "gpio11", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO12, "gpio12", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO13, "gpio13", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPIO14, "gpio14", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPS_PABLANK, "gps_pablank", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_GPS_TMARK, "gps_tmark", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_HDMI_SCL, "hdmi_scl", hdmi),
	BCM281XX_PIN_DESC(BCM281XX_PIN_HDMI_SDA, "hdmi_sda", hdmi),
	BCM281XX_PIN_DESC(BCM281XX_PIN_IC_DM, "ic_dm", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_IC_DP, "ic_dp", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_0, "kp_col_ip_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_1, "kp_col_ip_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_2, "kp_col_ip_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_COL_IP_3, "kp_col_ip_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_0, "kp_row_op_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_1, "kp_row_op_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_2, "kp_row_op_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_KP_ROW_OP_3, "kp_row_op_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_0, "lcd_b_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_1, "lcd_b_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_2, "lcd_b_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_3, "lcd_b_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_4, "lcd_b_4", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_5, "lcd_b_5", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_6, "lcd_b_6", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_B_7, "lcd_b_7", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_0, "lcd_g_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_1, "lcd_g_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_2, "lcd_g_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_3, "lcd_g_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_4, "lcd_g_4", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_5, "lcd_g_5", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_6, "lcd_g_6", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_G_7, "lcd_g_7", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_HSYNC, "lcd_hsync", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_OE, "lcd_oe", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_PCLK, "lcd_pclk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_0, "lcd_r_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_1, "lcd_r_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_2, "lcd_r_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_3, "lcd_r_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_4, "lcd_r_4", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_5, "lcd_r_5", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_6, "lcd_r_6", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_R_7, "lcd_r_7", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_LCD_VSYNC, "lcd_vsync", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO0, "mdmgpio0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO1, "mdmgpio1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO2, "mdmgpio2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO3, "mdmgpio3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO4, "mdmgpio4", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO5, "mdmgpio5", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO6, "mdmgpio6", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO7, "mdmgpio7", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MDMGPIO8, "mdmgpio8", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_0, "mphi_data_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_1, "mphi_data_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_2, "mphi_data_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_3, "mphi_data_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_4, "mphi_data_4", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_5, "mphi_data_5", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_6, "mphi_data_6", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_7, "mphi_data_7", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_8, "mphi_data_8", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_9, "mphi_data_9", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_10, "mphi_data_10", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_11, "mphi_data_11", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_12, "mphi_data_12", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_13, "mphi_data_13", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_14, "mphi_data_14", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_DATA_15, "mphi_data_15", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HA0, "mphi_ha0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HAT0, "mphi_hat0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HAT1, "mphi_hat1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HCE0_N, "mphi_hce0_n", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HCE1_N, "mphi_hce1_n", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HRD_N, "mphi_hrd_n", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_HWR_N, "mphi_hwr_n", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_RUN0, "mphi_run0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MPHI_RUN1, "mphi_run1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MTX_SCAN_CLK, "mtx_scan_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_MTX_SCAN_DATA, "mtx_scan_data", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_0, "nand_ad_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_1, "nand_ad_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_2, "nand_ad_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_3, "nand_ad_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_4, "nand_ad_4", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_5, "nand_ad_5", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_6, "nand_ad_6", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_AD_7, "nand_ad_7", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_ALE, "nand_ale", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CEN_0, "nand_cen_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CEN_1, "nand_cen_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_CLE, "nand_cle", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_OEN, "nand_oen", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_RDY_0, "nand_rdy_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_RDY_1, "nand_rdy_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_WEN, "nand_wen", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_NAND_WP, "nand_wp", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_PC1, "pc1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_PC2, "pc2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_INT, "pmu_int", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_SCL, "pmu_scl", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_PMU_SDA, "pmu_sda", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RFST2G_MTSLOTEN3G, "rfst2g_mtsloten3g",
		std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RX_CTL, "rgmii_0_rx_ctl", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXC, "rgmii_0_rxc", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_0, "rgmii_0_rxd_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_1, "rgmii_0_rxd_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_2, "rgmii_0_rxd_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_RXD_3, "rgmii_0_rxd_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TX_CTL, "rgmii_0_tx_ctl", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXC, "rgmii_0_txc", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_0, "rgmii_0_txd_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_1, "rgmii_0_txd_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_2, "rgmii_0_txd_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_0_TXD_3, "rgmii_0_txd_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RX_CTL, "rgmii_1_rx_ctl", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXC, "rgmii_1_rxc", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_0, "rgmii_1_rxd_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_1, "rgmii_1_rxd_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_2, "rgmii_1_rxd_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_RXD_3, "rgmii_1_rxd_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TX_CTL, "rgmii_1_tx_ctl", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXC, "rgmii_1_txc", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_0, "rgmii_1_txd_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_1, "rgmii_1_txd_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_2, "rgmii_1_txd_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_1_TXD_3, "rgmii_1_txd_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_0, "rgmii_gpio_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_1, "rgmii_gpio_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_2, "rgmii_gpio_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RGMII_GPIO_3, "rgmii_gpio_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RTXDATA2G_TXDATA3G1,
		"rtxdata2g_txdata3g1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RTXEN2G_TXDATA3G2, "rtxen2g_txdata3g2",
		std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G0, "rxdata3g0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G1, "rxdata3g1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_RXDATA3G2, "rxdata3g2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_CLK, "sdio1_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_CMD, "sdio1_cmd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_0, "sdio1_data_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_1, "sdio1_data_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_2, "sdio1_data_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO1_DATA_3, "sdio1_data_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_CLK, "sdio4_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_CMD, "sdio4_cmd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_0, "sdio4_data_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_1, "sdio4_data_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_2, "sdio4_data_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SDIO4_DATA_3, "sdio4_data_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_CLK, "sim_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_DATA, "sim_data", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_DET, "sim_det", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM_RESETN, "sim_resetn", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_CLK, "sim2_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_DATA, "sim2_data", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_DET, "sim2_det", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SIM2_RESETN, "sim2_resetn", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_C, "sri_c", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_D, "sri_d", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SRI_E, "sri_e", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP_EXTCLK, "ssp_extclk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_CLK, "ssp0_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_FS, "ssp0_fs", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_RXD, "ssp0_rxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP0_TXD, "ssp0_txd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_CLK, "ssp2_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_0, "ssp2_fs_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_1, "ssp2_fs_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_2, "ssp2_fs_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_FS_3, "ssp2_fs_3", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_RXD_0, "ssp2_rxd_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_RXD_1, "ssp2_rxd_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_TXD_0, "ssp2_txd_0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP2_TXD_1, "ssp2_txd_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_CLK, "ssp3_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_FS, "ssp3_fs", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_RXD, "ssp3_rxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP3_TXD, "ssp3_txd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_CLK, "ssp4_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_FS, "ssp4_fs", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_RXD, "ssp4_rxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP4_TXD, "ssp4_txd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_CLK, "ssp5_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_FS, "ssp5_fs", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_RXD, "ssp5_rxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP5_TXD, "ssp5_txd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_CLK, "ssp6_clk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_FS, "ssp6_fs", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_RXD, "ssp6_rxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SSP6_TXD, "ssp6_txd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_STAT_1, "stat_1", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_STAT_2, "stat_2", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_SYSCLKEN, "sysclken", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACECLK, "traceclk", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT00, "tracedt00", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT01, "tracedt01", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT02, "tracedt02", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT03, "tracedt03", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT04, "tracedt04", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT05, "tracedt05", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT06, "tracedt06", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT07, "tracedt07", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT08, "tracedt08", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT09, "tracedt09", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT10, "tracedt10", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT11, "tracedt11", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT12, "tracedt12", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT13, "tracedt13", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT14, "tracedt14", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TRACEDT15, "tracedt15", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TXDATA3G0, "txdata3g0", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_TXPWRIND, "txpwrind", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_UCTS, "uartb1_ucts", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_URTS, "uartb1_urts", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_URXD, "uartb1_urxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB1_UTXD, "uartb1_utxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB2_URXD, "uartb2_urxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB2_UTXD, "uartb2_utxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_UCTS, "uartb3_ucts", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_URTS, "uartb3_urts", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_URXD, "uartb3_urxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB3_UTXD, "uartb3_utxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_UCTS, "uartb4_ucts", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_URTS, "uartb4_urts", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_URXD, "uartb4_urxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_UARTB4_UTXD, "uartb4_utxd", std),
	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM1_SCL, "vc_cam1_scl", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM1_SDA, "vc_cam1_sda", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM2_SCL, "vc_cam2_scl", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM2_SDA, "vc_cam2_sda", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM3_SCL, "vc_cam3_scl", i2c),
	BCM281XX_PIN_DESC(BCM281XX_PIN_VC_CAM3_SDA, "vc_cam3_sda", i2c),
};

static const char * const bcm281xx_alt_groups[] = {
	"adcsync",
	"bat_rm",
	"bsc1_scl",
	"bsc1_sda",
	"bsc2_scl",
	"bsc2_sda",
	"classgpwr",
	"clk_cx8",
	"clkout_0",
	"clkout_1",
	"clkout_2",
	"clkout_3",
	"clkreq_in_0",
	"clkreq_in_1",
	"cws_sys_req1",
	"cws_sys_req2",
	"cws_sys_req3",
	"digmic1_clk",
	"digmic1_dq",
	"digmic2_clk",
	"digmic2_dq",
	"gpen13",
	"gpen14",
	"gpen15",
	"gpio00",
	"gpio01",
	"gpio02",
	"gpio03",
	"gpio04",
	"gpio05",
	"gpio06",
	"gpio07",
	"gpio08",
	"gpio09",
	"gpio10",
	"gpio11",
	"gpio12",
	"gpio13",
	"gpio14",
	"gps_pablank",
	"gps_tmark",
	"hdmi_scl",
	"hdmi_sda",
	"ic_dm",
	"ic_dp",
	"kp_col_ip_0",
	"kp_col_ip_1",
	"kp_col_ip_2",
	"kp_col_ip_3",
	"kp_row_op_0",
	"kp_row_op_1",
	"kp_row_op_2",
	"kp_row_op_3",
	"lcd_b_0",
	"lcd_b_1",
	"lcd_b_2",
	"lcd_b_3",
	"lcd_b_4",
	"lcd_b_5",
	"lcd_b_6",
	"lcd_b_7",
	"lcd_g_0",
	"lcd_g_1",
	"lcd_g_2",
	"lcd_g_3",
	"lcd_g_4",
	"lcd_g_5",
	"lcd_g_6",
	"lcd_g_7",
	"lcd_hsync",
	"lcd_oe",
	"lcd_pclk",
	"lcd_r_0",
	"lcd_r_1",
	"lcd_r_2",
	"lcd_r_3",
	"lcd_r_4",
	"lcd_r_5",
	"lcd_r_6",
	"lcd_r_7",
	"lcd_vsync",
	"mdmgpio0",
	"mdmgpio1",
	"mdmgpio2",
	"mdmgpio3",
	"mdmgpio4",
	"mdmgpio5",
	"mdmgpio6",
	"mdmgpio7",
	"mdmgpio8",
	"mphi_data_0",
	"mphi_data_1",
	"mphi_data_2",
	"mphi_data_3",
	"mphi_data_4",
	"mphi_data_5",
	"mphi_data_6",
	"mphi_data_7",
	"mphi_data_8",
	"mphi_data_9",
	"mphi_data_10",
	"mphi_data_11",
	"mphi_data_12",
	"mphi_data_13",
	"mphi_data_14",
	"mphi_data_15",
	"mphi_ha0",
	"mphi_hat0",
	"mphi_hat1",
	"mphi_hce0_n",
	"mphi_hce1_n",
	"mphi_hrd_n",
	"mphi_hwr_n",
	"mphi_run0",
	"mphi_run1",
	"mtx_scan_clk",
	"mtx_scan_data",
	"nand_ad_0",
	"nand_ad_1",
	"nand_ad_2",
	"nand_ad_3",
	"nand_ad_4",
	"nand_ad_5",
	"nand_ad_6",
	"nand_ad_7",
	"nand_ale",
	"nand_cen_0",
	"nand_cen_1",
	"nand_cle",
	"nand_oen",
	"nand_rdy_0",
	"nand_rdy_1",
	"nand_wen",
	"nand_wp",
	"pc1",
	"pc2",
	"pmu_int",
	"pmu_scl",
	"pmu_sda",
	"rfst2g_mtsloten3g",
	"rgmii_0_rx_ctl",
	"rgmii_0_rxc",
	"rgmii_0_rxd_0",
	"rgmii_0_rxd_1",
	"rgmii_0_rxd_2",
	"rgmii_0_rxd_3",
	"rgmii_0_tx_ctl",
	"rgmii_0_txc",
	"rgmii_0_txd_0",
	"rgmii_0_txd_1",
	"rgmii_0_txd_2",
	"rgmii_0_txd_3",
	"rgmii_1_rx_ctl",
	"rgmii_1_rxc",
	"rgmii_1_rxd_0",
	"rgmii_1_rxd_1",
	"rgmii_1_rxd_2",
	"rgmii_1_rxd_3",
	"rgmii_1_tx_ctl",
	"rgmii_1_txc",
	"rgmii_1_txd_0",
	"rgmii_1_txd_1",
	"rgmii_1_txd_2",
	"rgmii_1_txd_3",
	"rgmii_gpio_0",
	"rgmii_gpio_1",
	"rgmii_gpio_2",
	"rgmii_gpio_3",
	"rtxdata2g_txdata3g1",
	"rtxen2g_txdata3g2",
	"rxdata3g0",
	"rxdata3g1",
	"rxdata3g2",
	"sdio1_clk",
	"sdio1_cmd",
	"sdio1_data_0",
	"sdio1_data_1",
	"sdio1_data_2",
	"sdio1_data_3",
	"sdio4_clk",
	"sdio4_cmd",
	"sdio4_data_0",
	"sdio4_data_1",
	"sdio4_data_2",
	"sdio4_data_3",
	"sim_clk",
	"sim_data",
	"sim_det",
	"sim_resetn",
	"sim2_clk",
	"sim2_data",
	"sim2_det",
	"sim2_resetn",
	"sri_c",
	"sri_d",
	"sri_e",
	"ssp_extclk",
	"ssp0_clk",
	"ssp0_fs",
	"ssp0_rxd",
	"ssp0_txd",
	"ssp2_clk",
	"ssp2_fs_0",
	"ssp2_fs_1",
	"ssp2_fs_2",
	"ssp2_fs_3",
	"ssp2_rxd_0",
	"ssp2_rxd_1",
	"ssp2_txd_0",
	"ssp2_txd_1",
	"ssp3_clk",
	"ssp3_fs",
	"ssp3_rxd",
	"ssp3_txd",
	"ssp4_clk",
	"ssp4_fs",
	"ssp4_rxd",
	"ssp4_txd",
	"ssp5_clk",
	"ssp5_fs",
	"ssp5_rxd",
	"ssp5_txd",
	"ssp6_clk",
	"ssp6_fs",
	"ssp6_rxd",
	"ssp6_txd",
	"stat_1",
	"stat_2",
	"sysclken",
	"traceclk",
	"tracedt00",
	"tracedt01",
	"tracedt02",
	"tracedt03",
	"tracedt04",
	"tracedt05",
	"tracedt06",
	"tracedt07",
	"tracedt08",
	"tracedt09",
	"tracedt10",
	"tracedt11",
	"tracedt12",
	"tracedt13",
	"tracedt14",
	"tracedt15",
	"txdata3g0",
	"txpwrind",
	"uartb1_ucts",
	"uartb1_urts",
	"uartb1_urxd",
	"uartb1_utxd",
	"uartb2_urxd",
	"uartb2_utxd",
	"uartb3_ucts",
	"uartb3_urts",
	"uartb3_urxd",
	"uartb3_utxd",
	"uartb4_ucts",
	"uartb4_urts",
	"uartb4_urxd",
	"uartb4_utxd",
	"vc_cam1_scl",
	"vc_cam1_sda",
	"vc_cam2_scl",
	"vc_cam2_sda",
	"vc_cam3_scl",
	"vc_cam3_sda",
};

/* Every pin can implement all ALT1-ALT4 functions */
#define BCM281XX_PIN_FUNCTION(fcn_name)			\
{							\
	.name = #fcn_name,				\
	.groups = bcm281xx_alt_groups,			\
	.ngroups = ARRAY_SIZE(bcm281xx_alt_groups),	\
}

static const struct bcm281xx_pin_function bcm281xx_functions[] = {
	BCM281XX_PIN_FUNCTION(alt1),
	BCM281XX_PIN_FUNCTION(alt2),
	BCM281XX_PIN_FUNCTION(alt3),
	BCM281XX_PIN_FUNCTION(alt4),
};

static struct bcm281xx_pinctrl_data bcm281xx_pinctrl = {
	.pins = bcm281xx_pinctrl_pins,
	.npins = ARRAY_SIZE(bcm281xx_pinctrl_pins),
	.functions = bcm281xx_functions,
	.nfunctions = ARRAY_SIZE(bcm281xx_functions),
};

static inline enum bcm281xx_pin_type pin_type_get(struct pinctrl_dev *pctldev,
						  unsigned pin)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);

	if (pin >= pdata->npins)
		return BCM281XX_PIN_TYPE_UNKNOWN;

	return *(enum bcm281xx_pin_type *)(pdata->pins[pin].drv_data);
}

#define BCM281XX_PIN_SHIFT(type, param) \
	(BCM281XX_ ## type ## _PIN_REG_ ## param ## _SHIFT)

#define BCM281XX_PIN_MASK(type, param) \
	(BCM281XX_ ## type ## _PIN_REG_ ## param ## _MASK)

/*
 * This helper function is used to build up the value and mask used to write to
 * a pin register, but does not actually write to the register.
 */
static inline void bcm281xx_pin_update(u32 *reg_val, u32 *reg_mask,
				       u32 param_val, u32 param_shift,
				       u32 param_mask)
{
	*reg_val &= ~param_mask;
	*reg_val |= (param_val << param_shift) & param_mask;
	*reg_mask |= param_mask;
}

static const struct regmap_config bcm281xx_pinctrl_regmap_config = {
	.reg_bits = 32,
	.reg_stride = 4,
	.val_bits = 32,
	.max_register = BCM281XX_PIN_VC_CAM3_SDA,
};

static int bcm281xx_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);

	return pdata->npins;
}

static const char *bcm281xx_pinctrl_get_group_name(struct pinctrl_dev *pctldev,
						   unsigned group)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);

	return pdata->pins[group].name;
}

static int bcm281xx_pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
					   unsigned group,
					   const unsigned **pins,
					   unsigned *num_pins)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);

	*pins = &pdata->pins[group].number;
	*num_pins = 1;

	return 0;
}

static void bcm281xx_pinctrl_pin_dbg_show(struct pinctrl_dev *pctldev,
					  struct seq_file *s,
					  unsigned offset)
{
	seq_printf(s, " %s", dev_name(pctldev->dev));
}

static const struct pinctrl_ops bcm281xx_pinctrl_ops = {
	.get_groups_count = bcm281xx_pinctrl_get_groups_count,
	.get_group_name = bcm281xx_pinctrl_get_group_name,
	.get_group_pins = bcm281xx_pinctrl_get_group_pins,
	.pin_dbg_show = bcm281xx_pinctrl_pin_dbg_show,
	.dt_node_to_map = pinconf_generic_dt_node_to_map_pin,
	.dt_free_map = pinctrl_utils_free_map,
};

static int bcm281xx_pinctrl_get_fcns_count(struct pinctrl_dev *pctldev)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);

	return pdata->nfunctions;
}

static const char *bcm281xx_pinctrl_get_fcn_name(struct pinctrl_dev *pctldev,
						 unsigned function)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);

	return pdata->functions[function].name;
}

static int bcm281xx_pinctrl_get_fcn_groups(struct pinctrl_dev *pctldev,
					   unsigned function,
					   const char * const **groups,
					   unsigned * const num_groups)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);

	*groups = pdata->functions[function].groups;
	*num_groups = pdata->functions[function].ngroups;

	return 0;
}

static int bcm281xx_pinmux_set(struct pinctrl_dev *pctldev,
			       unsigned function,
			       unsigned group)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
	const struct bcm281xx_pin_function *f = &pdata->functions[function];
	u32 offset = 4 * pdata->pins[group].number;
	int rc = 0;

	dev_dbg(pctldev->dev,
		"%s(): Enable function %s (%d) of pin %s (%d) @offset 0x%x.\n",
		__func__, f->name, function, pdata->pins[group].name,
		pdata->pins[group].number, offset);

	rc = regmap_update_bits(pdata->regmap, offset,
		BCM281XX_PIN_REG_F_SEL_MASK,
		function << BCM281XX_PIN_REG_F_SEL_SHIFT);
	if (rc)
		dev_err(pctldev->dev,
			"Error updating register for pin %s (%d).\n",
			pdata->pins[group].name, pdata->pins[group].number);

	return rc;
}

static const struct pinmux_ops bcm281xx_pinctrl_pinmux_ops = {
	.get_functions_count = bcm281xx_pinctrl_get_fcns_count,
	.get_function_name = bcm281xx_pinctrl_get_fcn_name,
	.get_function_groups = bcm281xx_pinctrl_get_fcn_groups,
	.set_mux = bcm281xx_pinmux_set,
};

static int bcm281xx_pinctrl_pin_config_get(struct pinctrl_dev *pctldev,
					   unsigned pin,
					   unsigned long *config)
{
	return -ENOTSUPP;
}


/* Goes through the configs and update register val/mask */
static int bcm281xx_std_pin_update(struct pinctrl_dev *pctldev,
				   unsigned pin,
				   unsigned long *configs,
				   unsigned num_configs,
				   u32 *val,
				   u32 *mask)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
	int i;
	enum pin_config_param param;
	u32 arg;

	for (i = 0; i < num_configs; i++) {
		param = pinconf_to_config_param(configs[i]);
		arg = pinconf_to_config_argument(configs[i]);

		switch (param) {
		case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
			arg = (arg >= 1 ? 1 : 0);
			bcm281xx_pin_update(val, mask, arg,
				BCM281XX_PIN_SHIFT(STD, HYST),
				BCM281XX_PIN_MASK(STD, HYST));
			break;
		/*
		 * The pin bias can only be one of pull-up, pull-down, or
		 * disable.  The user does not need to specify a value for the
		 * property, and the default value from pinconf-generic is
		 * ignored.
		 */
		case PIN_CONFIG_BIAS_DISABLE:
			bcm281xx_pin_update(val, mask, 0,
				BCM281XX_PIN_SHIFT(STD, PULL_UP),
				BCM281XX_PIN_MASK(STD, PULL_UP));
			bcm281xx_pin_update(val, mask, 0,
				BCM281XX_PIN_SHIFT(STD, PULL_DN),
				BCM281XX_PIN_MASK(STD, PULL_DN));
			break;

		case PIN_CONFIG_BIAS_PULL_UP:
			bcm281xx_pin_update(val, mask, 1,
				BCM281XX_PIN_SHIFT(STD, PULL_UP),
				BCM281XX_PIN_MASK(STD, PULL_UP));
			bcm281xx_pin_update(val, mask, 0,
				BCM281XX_PIN_SHIFT(STD, PULL_DN),
				BCM281XX_PIN_MASK(STD, PULL_DN));
			break;

		case PIN_CONFIG_BIAS_PULL_DOWN:
			bcm281xx_pin_update(val, mask, 0,
				BCM281XX_PIN_SHIFT(STD, PULL_UP),
				BCM281XX_PIN_MASK(STD, PULL_UP));
			bcm281xx_pin_update(val, mask, 1,
				BCM281XX_PIN_SHIFT(STD, PULL_DN),
				BCM281XX_PIN_MASK(STD, PULL_DN));
			break;

		case PIN_CONFIG_SLEW_RATE:
			arg = (arg >= 1 ? 1 : 0);
			bcm281xx_pin_update(val, mask, arg,
				BCM281XX_PIN_SHIFT(STD, SLEW),
				BCM281XX_PIN_MASK(STD, SLEW));
			break;

		case PIN_CONFIG_INPUT_ENABLE:
			/* inversed since register is for input _disable_ */
			arg = (arg >= 1 ? 0 : 1);
			bcm281xx_pin_update(val, mask, arg,
				BCM281XX_PIN_SHIFT(STD, INPUT_DIS),
				BCM281XX_PIN_MASK(STD, INPUT_DIS));
			break;

		case PIN_CONFIG_DRIVE_STRENGTH:
			/* Valid range is 2-16 mA, even numbers only */
			if ((arg < 2) || (arg > 16) || (arg % 2)) {
				dev_err(pctldev->dev,
					"Invalid Drive Strength value (%d) for "
					"pin %s (%d). Valid values are "
					"(2..16) mA, even numbers only.\n",
					arg, pdata->pins[pin].name, pin);
				return -EINVAL;
			}
			bcm281xx_pin_update(val, mask, (arg/2)-1,
				BCM281XX_PIN_SHIFT(STD, DRV_STR),
				BCM281XX_PIN_MASK(STD, DRV_STR));
			break;

		default:
			dev_err(pctldev->dev,
				"Unrecognized pin config %d for pin %s (%d).\n",
				param, pdata->pins[pin].name, pin);
			return -EINVAL;

		} /* switch config */
	} /* for each config */

	return 0;
}

/*
 * The pull-up strength for an I2C pin is represented by bits 4-6 in the
 * register with the following mapping:
 *   0b000: No pull-up
 *   0b001: 1200 Ohm
 *   0b010: 1800 Ohm
 *   0b011: 720 Ohm
 *   0b100: 2700 Ohm
 *   0b101: 831 Ohm
 *   0b110: 1080 Ohm
 *   0b111: 568 Ohm
 * This array maps pull-up strength in Ohms to register values (1+index).
 */
static const u16 bcm281xx_pullup_map[] = {
	1200, 1800, 720, 2700, 831, 1080, 568
};

/* Goes through the configs and update register val/mask */
static int bcm281xx_i2c_pin_update(struct pinctrl_dev *pctldev,
				   unsigned pin,
				   unsigned long *configs,
				   unsigned num_configs,
				   u32 *val,
				   u32 *mask)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
	int i, j;
	enum pin_config_param param;
	u32 arg;

	for (i = 0; i < num_configs; i++) {
		param = pinconf_to_config_param(configs[i]);
		arg = pinconf_to_config_argument(configs[i]);

		switch (param) {
		case PIN_CONFIG_BIAS_PULL_UP:
			for (j = 0; j < ARRAY_SIZE(bcm281xx_pullup_map); j++)
				if (bcm281xx_pullup_map[j] == arg)
					break;

			if (j == ARRAY_SIZE(bcm281xx_pullup_map)) {
				dev_err(pctldev->dev,
					"Invalid pull-up value (%d) for pin %s "
					"(%d). Valid values are 568, 720, 831, "
					"1080, 1200, 1800, 2700 Ohms.\n",
					arg, pdata->pins[pin].name, pin);
				return -EINVAL;
			}

			bcm281xx_pin_update(val, mask, j+1,
				BCM281XX_PIN_SHIFT(I2C, PULL_UP_STR),
				BCM281XX_PIN_MASK(I2C, PULL_UP_STR));
			break;

		case PIN_CONFIG_BIAS_DISABLE:
			bcm281xx_pin_update(val, mask, 0,
				BCM281XX_PIN_SHIFT(I2C, PULL_UP_STR),
				BCM281XX_PIN_MASK(I2C, PULL_UP_STR));
			break;

		case PIN_CONFIG_SLEW_RATE:
			arg = (arg >= 1 ? 1 : 0);
			bcm281xx_pin_update(val, mask, arg,
				BCM281XX_PIN_SHIFT(I2C, SLEW),
				BCM281XX_PIN_MASK(I2C, SLEW));
			break;

		case PIN_CONFIG_INPUT_ENABLE:
			/* inversed since register is for input _disable_ */
			arg = (arg >= 1 ? 0 : 1);
			bcm281xx_pin_update(val, mask, arg,
				BCM281XX_PIN_SHIFT(I2C, INPUT_DIS),
				BCM281XX_PIN_MASK(I2C, INPUT_DIS));
			break;

		default:
			dev_err(pctldev->dev,
				"Unrecognized pin config %d for pin %s (%d).\n",
				param, pdata->pins[pin].name, pin);
			return -EINVAL;

		} /* switch config */
	} /* for each config */

	return 0;
}

/* Goes through the configs and update register val/mask */
static int bcm281xx_hdmi_pin_update(struct pinctrl_dev *pctldev,
				    unsigned pin,
				    unsigned long *configs,
				    unsigned num_configs,
				    u32 *val,
				    u32 *mask)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
	int i;
	enum pin_config_param param;
	u32 arg;

	for (i = 0; i < num_configs; i++) {
		param = pinconf_to_config_param(configs[i]);
		arg = pinconf_to_config_argument(configs[i]);

		switch (param) {
		case PIN_CONFIG_SLEW_RATE:
			arg = (arg >= 1 ? 1 : 0);
			bcm281xx_pin_update(val, mask, arg,
				BCM281XX_PIN_SHIFT(HDMI, MODE),
				BCM281XX_PIN_MASK(HDMI, MODE));
			break;

		case PIN_CONFIG_INPUT_ENABLE:
			/* inversed since register is for input _disable_ */
			arg = (arg >= 1 ? 0 : 1);
			bcm281xx_pin_update(val, mask, arg,
				BCM281XX_PIN_SHIFT(HDMI, INPUT_DIS),
				BCM281XX_PIN_MASK(HDMI, INPUT_DIS));
			break;

		default:
			dev_err(pctldev->dev,
				"Unrecognized pin config %d for pin %s (%d).\n",
				param, pdata->pins[pin].name, pin);
			return -EINVAL;

		} /* switch config */
	} /* for each config */

	return 0;
}

static int bcm281xx_pinctrl_pin_config_set(struct pinctrl_dev *pctldev,
					   unsigned pin,
					   unsigned long *configs,
					   unsigned num_configs)
{
	struct bcm281xx_pinctrl_data *pdata = pinctrl_dev_get_drvdata(pctldev);
	enum bcm281xx_pin_type pin_type;
	u32 offset = 4 * pin;
	u32 cfg_val, cfg_mask;
	int rc;

	cfg_val = 0;
	cfg_mask = 0;
	pin_type = pin_type_get(pctldev, pin);

	/* Different pins have different configuration options */
	switch (pin_type) {
	case BCM281XX_PIN_TYPE_STD:
		rc = bcm281xx_std_pin_update(pctldev, pin, configs,
			num_configs, &cfg_val, &cfg_mask);
		break;

	case BCM281XX_PIN_TYPE_I2C:
		rc = bcm281xx_i2c_pin_update(pctldev, pin, configs,
			num_configs, &cfg_val, &cfg_mask);
		break;

	case BCM281XX_PIN_TYPE_HDMI:
		rc = bcm281xx_hdmi_pin_update(pctldev, pin, configs,
			num_configs, &cfg_val, &cfg_mask);
		break;

	default:
		dev_err(pctldev->dev, "Unknown pin type for pin %s (%d).\n",
			pdata->pins[pin].name, pin);
		return -EINVAL;

	} /* switch pin type */

	if (rc)
		return rc;

	dev_dbg(pctldev->dev,
		"%s(): Set pin %s (%d) with config 0x%x, mask 0x%x\n",
		__func__, pdata->pins[pin].name, pin, cfg_val, cfg_mask);

	rc = regmap_update_bits(pdata->regmap, offset, cfg_mask, cfg_val);
	if (rc) {
		dev_err(pctldev->dev,
			"Error updating register for pin %s (%d).\n",
			pdata->pins[pin].name, pin);
		return rc;
	}

	return 0;
}

static const struct pinconf_ops bcm281xx_pinctrl_pinconf_ops = {
	.pin_config_get = bcm281xx_pinctrl_pin_config_get,
	.pin_config_set = bcm281xx_pinctrl_pin_config_set,
};

static struct pinctrl_desc bcm281xx_pinctrl_desc = {
	/* name, pins, npins members initialized in probe function */
	.pctlops = &bcm281xx_pinctrl_ops,
	.pmxops = &bcm281xx_pinctrl_pinmux_ops,
	.confops = &bcm281xx_pinctrl_pinconf_ops,
	.owner = THIS_MODULE,
};

static int __init bcm281xx_pinctrl_probe(struct platform_device *pdev)
{
	struct bcm281xx_pinctrl_data *pdata = &bcm281xx_pinctrl;
	struct pinctrl_dev *pctl;

	/* So far We can assume there is only 1 bank of registers */
	pdata->reg_base = devm_platform_ioremap_resource(pdev, 0);
	if (IS_ERR(pdata->reg_base)) {
		dev_err(&pdev->dev, "Failed to ioremap MEM resource\n");
		return PTR_ERR(pdata->reg_base);
	}

	/* Initialize the dynamic part of pinctrl_desc */
	pdata->regmap = devm_regmap_init_mmio(&pdev->dev, pdata->reg_base,
		&bcm281xx_pinctrl_regmap_config);
	if (IS_ERR(pdata->regmap)) {
		dev_err(&pdev->dev, "Regmap MMIO init failed.\n");
		return -ENODEV;
	}

	bcm281xx_pinctrl_desc.name = dev_name(&pdev->dev);
	bcm281xx_pinctrl_desc.pins = bcm281xx_pinctrl.pins;
	bcm281xx_pinctrl_desc.npins = bcm281xx_pinctrl.npins;

	pctl = devm_pinctrl_register(&pdev->dev, &bcm281xx_pinctrl_desc, pdata);
	if (IS_ERR(pctl)) {
		dev_err(&pdev->dev, "Failed to register pinctrl\n");
		return PTR_ERR(pctl);
	}

	platform_set_drvdata(pdev, pdata);

	return 0;
}

static const struct of_device_id bcm281xx_pinctrl_of_match[] = {
	{ .compatible = "brcm,bcm11351-pinctrl", },
	{ },
};

static struct platform_driver bcm281xx_pinctrl_driver = {
	.driver = {
		.name = "bcm281xx-pinctrl",
		.of_match_table = bcm281xx_pinctrl_of_match,
	},
};
builtin_platform_driver_probe(bcm281xx_pinctrl_driver, bcm281xx_pinctrl_probe);
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