Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1866 insertions, 0 deletions

diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
new file mode 100644
index 000000000..67db79f38
--- /dev/null
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -0,0 +1,1866 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Pinctrl GPIO driver for Intel Baytrail
+ *
+ * Copyright (c) 2012-2013, Intel Corporation
+ * Author: Mathias Nyman <mathias.nyman@linux.intel.com>
+ */
+
+#include <linux/acpi.h>
+#include <linux/bitops.h>
+#include <linux/gpio/driver.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/property.h>
+#include <linux/seq_file.h>
+
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
+
+#include "pinctrl-intel.h"
+
+/* memory mapped register offsets */
+#define BYT_CONF0_REG		0x000
+#define BYT_CONF1_REG		0x004
+#define BYT_VAL_REG		0x008
+#define BYT_DFT_REG		0x00c
+#define BYT_INT_STAT_REG	0x800
+#define BYT_DIRECT_IRQ_REG	0x980
+#define BYT_DEBOUNCE_REG	0x9d0
+
+/* BYT_CONF0_REG register bits */
+#define BYT_IODEN		BIT(31)
+#define BYT_DIRECT_IRQ_EN	BIT(27)
+#define BYT_TRIG_MASK		GENMASK(26, 24)
+#define BYT_TRIG_NEG		BIT(26)
+#define BYT_TRIG_POS		BIT(25)
+#define BYT_TRIG_LVL		BIT(24)
+#define BYT_DEBOUNCE_EN		BIT(20)
+#define BYT_GLITCH_FILTER_EN	BIT(19)
+#define BYT_GLITCH_F_SLOW_CLK	BIT(17)
+#define BYT_GLITCH_F_FAST_CLK	BIT(16)
+#define BYT_PULL_STR_SHIFT	9
+#define BYT_PULL_STR_MASK	GENMASK(10, 9)
+#define BYT_PULL_STR_2K		(0 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_STR_10K	(1 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_STR_20K	(2 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_STR_40K	(3 << BYT_PULL_STR_SHIFT)
+#define BYT_PULL_ASSIGN_SHIFT	7
+#define BYT_PULL_ASSIGN_MASK	GENMASK(8, 7)
+#define BYT_PULL_ASSIGN_UP	(1 << BYT_PULL_ASSIGN_SHIFT)
+#define BYT_PULL_ASSIGN_DOWN	(2 << BYT_PULL_ASSIGN_SHIFT)
+#define BYT_PIN_MUX		GENMASK(2, 0)
+
+/* BYT_VAL_REG register bits */
+#define BYT_DIR_MASK		GENMASK(2, 1)
+#define BYT_INPUT_EN		BIT(2)  /* 0: input enabled (active low)*/
+#define BYT_OUTPUT_EN		BIT(1)  /* 0: output enabled (active low)*/
+#define BYT_LEVEL		BIT(0)
+
+#define BYT_CONF0_RESTORE_MASK	(BYT_DIRECT_IRQ_EN | BYT_TRIG_MASK | BYT_PIN_MUX)
+#define BYT_VAL_RESTORE_MASK	(BYT_DIR_MASK | BYT_LEVEL)
+
+/* BYT_DEBOUNCE_REG bits */
+#define BYT_DEBOUNCE_PULSE_MASK		GENMASK(2, 0)
+#define BYT_DEBOUNCE_PULSE_375US	1
+#define BYT_DEBOUNCE_PULSE_750US	2
+#define BYT_DEBOUNCE_PULSE_1500US	3
+#define BYT_DEBOUNCE_PULSE_3MS		4
+#define BYT_DEBOUNCE_PULSE_6MS		5
+#define BYT_DEBOUNCE_PULSE_12MS		6
+#define BYT_DEBOUNCE_PULSE_24MS		7
+
+#define BYT_NGPIO_SCORE		102
+#define BYT_NGPIO_NCORE		28
+#define BYT_NGPIO_SUS		44
+
+#define BYT_SCORE_ACPI_UID	"1"
+#define BYT_NCORE_ACPI_UID	"2"
+#define BYT_SUS_ACPI_UID	"3"
+
+/*
+ * This is the function value most pins have for GPIO muxing. If the value
+ * differs from the default one, it must be explicitly mentioned. Otherwise, the
+ * pin control implementation will set the muxing value to default GPIO if it
+ * does not find a match for the requested function.
+ */
+#define BYT_DEFAULT_GPIO_MUX	0
+#define BYT_ALTER_GPIO_MUX	1
+
+struct intel_pad_context {
+	u32 conf0;
+	u32 val;
+};
+
+#define COMMUNITY(p, n, map)		\
+	{				\
+		.pin_base	= (p),	\
+		.npins		= (n),	\
+		.pad_map	= (map),\
+	}
+
+/* SCORE pins, aka GPIOC_<pin_no> or GPIO_S0_SC[<pin_no>] */
+static const struct pinctrl_pin_desc byt_score_pins[] = {
+	PINCTRL_PIN(0, "SATA_GP0"),
+	PINCTRL_PIN(1, "SATA_GP1"),
+	PINCTRL_PIN(2, "SATA_LED#"),
+	PINCTRL_PIN(3, "PCIE_CLKREQ0"),
+	PINCTRL_PIN(4, "PCIE_CLKREQ1"),
+	PINCTRL_PIN(5, "PCIE_CLKREQ2"),
+	PINCTRL_PIN(6, "PCIE_CLKREQ3"),
+	PINCTRL_PIN(7, "SD3_WP"),
+	PINCTRL_PIN(8, "HDA_RST"),
+	PINCTRL_PIN(9, "HDA_SYNC"),
+	PINCTRL_PIN(10, "HDA_CLK"),
+	PINCTRL_PIN(11, "HDA_SDO"),
+	PINCTRL_PIN(12, "HDA_SDI0"),
+	PINCTRL_PIN(13, "HDA_SDI1"),
+	PINCTRL_PIN(14, "GPIO_S0_SC14"),
+	PINCTRL_PIN(15, "GPIO_S0_SC15"),
+	PINCTRL_PIN(16, "MMC1_CLK"),
+	PINCTRL_PIN(17, "MMC1_D0"),
+	PINCTRL_PIN(18, "MMC1_D1"),
+	PINCTRL_PIN(19, "MMC1_D2"),
+	PINCTRL_PIN(20, "MMC1_D3"),
+	PINCTRL_PIN(21, "MMC1_D4"),
+	PINCTRL_PIN(22, "MMC1_D5"),
+	PINCTRL_PIN(23, "MMC1_D6"),
+	PINCTRL_PIN(24, "MMC1_D7"),
+	PINCTRL_PIN(25, "MMC1_CMD"),
+	PINCTRL_PIN(26, "MMC1_RST"),
+	PINCTRL_PIN(27, "SD2_CLK"),
+	PINCTRL_PIN(28, "SD2_D0"),
+	PINCTRL_PIN(29, "SD2_D1"),
+	PINCTRL_PIN(30, "SD2_D2"),
+	PINCTRL_PIN(31, "SD2_D3_CD"),
+	PINCTRL_PIN(32, "SD2_CMD"),
+	PINCTRL_PIN(33, "SD3_CLK"),
+	PINCTRL_PIN(34, "SD3_D0"),
+	PINCTRL_PIN(35, "SD3_D1"),
+	PINCTRL_PIN(36, "SD3_D2"),
+	PINCTRL_PIN(37, "SD3_D3"),
+	PINCTRL_PIN(38, "SD3_CD"),
+	PINCTRL_PIN(39, "SD3_CMD"),
+	PINCTRL_PIN(40, "SD3_1P8EN"),
+	PINCTRL_PIN(41, "SD3_PWREN#"),
+	PINCTRL_PIN(42, "ILB_LPC_AD0"),
+	PINCTRL_PIN(43, "ILB_LPC_AD1"),
+	PINCTRL_PIN(44, "ILB_LPC_AD2"),
+	PINCTRL_PIN(45, "ILB_LPC_AD3"),
+	PINCTRL_PIN(46, "ILB_LPC_FRAME"),
+	PINCTRL_PIN(47, "ILB_LPC_CLK0"),
+	PINCTRL_PIN(48, "ILB_LPC_CLK1"),
+	PINCTRL_PIN(49, "ILB_LPC_CLKRUN"),
+	PINCTRL_PIN(50, "ILB_LPC_SERIRQ"),
+	PINCTRL_PIN(51, "PCU_SMB_DATA"),
+	PINCTRL_PIN(52, "PCU_SMB_CLK"),
+	PINCTRL_PIN(53, "PCU_SMB_ALERT"),
+	PINCTRL_PIN(54, "ILB_8254_SPKR"),
+	PINCTRL_PIN(55, "GPIO_S0_SC55"),
+	PINCTRL_PIN(56, "GPIO_S0_SC56"),
+	PINCTRL_PIN(57, "GPIO_S0_SC57"),
+	PINCTRL_PIN(58, "GPIO_S0_SC58"),
+	PINCTRL_PIN(59, "GPIO_S0_SC59"),
+	PINCTRL_PIN(60, "GPIO_S0_SC60"),
+	PINCTRL_PIN(61, "GPIO_S0_SC61"),
+	PINCTRL_PIN(62, "LPE_I2S2_CLK"),
+	PINCTRL_PIN(63, "LPE_I2S2_FRM"),
+	PINCTRL_PIN(64, "LPE_I2S2_DATAIN"),
+	PINCTRL_PIN(65, "LPE_I2S2_DATAOUT"),
+	PINCTRL_PIN(66, "SIO_SPI_CS"),
+	PINCTRL_PIN(67, "SIO_SPI_MISO"),
+	PINCTRL_PIN(68, "SIO_SPI_MOSI"),
+	PINCTRL_PIN(69, "SIO_SPI_CLK"),
+	PINCTRL_PIN(70, "SIO_UART1_RXD"),
+	PINCTRL_PIN(71, "SIO_UART1_TXD"),
+	PINCTRL_PIN(72, "SIO_UART1_RTS"),
+	PINCTRL_PIN(73, "SIO_UART1_CTS"),
+	PINCTRL_PIN(74, "SIO_UART2_RXD"),
+	PINCTRL_PIN(75, "SIO_UART2_TXD"),
+	PINCTRL_PIN(76, "SIO_UART2_RTS"),
+	PINCTRL_PIN(77, "SIO_UART2_CTS"),
+	PINCTRL_PIN(78, "SIO_I2C0_DATA"),
+	PINCTRL_PIN(79, "SIO_I2C0_CLK"),
+	PINCTRL_PIN(80, "SIO_I2C1_DATA"),
+	PINCTRL_PIN(81, "SIO_I2C1_CLK"),
+	PINCTRL_PIN(82, "SIO_I2C2_DATA"),
+	PINCTRL_PIN(83, "SIO_I2C2_CLK"),
+	PINCTRL_PIN(84, "SIO_I2C3_DATA"),
+	PINCTRL_PIN(85, "SIO_I2C3_CLK"),
+	PINCTRL_PIN(86, "SIO_I2C4_DATA"),
+	PINCTRL_PIN(87, "SIO_I2C4_CLK"),
+	PINCTRL_PIN(88, "SIO_I2C5_DATA"),
+	PINCTRL_PIN(89, "SIO_I2C5_CLK"),
+	PINCTRL_PIN(90, "SIO_I2C6_DATA"),
+	PINCTRL_PIN(91, "SIO_I2C6_CLK"),
+	PINCTRL_PIN(92, "GPIO_S0_SC92"),
+	PINCTRL_PIN(93, "GPIO_S0_SC93"),
+	PINCTRL_PIN(94, "SIO_PWM0"),
+	PINCTRL_PIN(95, "SIO_PWM1"),
+	PINCTRL_PIN(96, "PMC_PLT_CLK0"),
+	PINCTRL_PIN(97, "PMC_PLT_CLK1"),
+	PINCTRL_PIN(98, "PMC_PLT_CLK2"),
+	PINCTRL_PIN(99, "PMC_PLT_CLK3"),
+	PINCTRL_PIN(100, "PMC_PLT_CLK4"),
+	PINCTRL_PIN(101, "PMC_PLT_CLK5"),
+};
+
+static const unsigned int byt_score_pins_map[BYT_NGPIO_SCORE] = {
+	85, 89, 93, 96, 99, 102, 98, 101, 34, 37,
+	36, 38, 39, 35, 40, 84, 62, 61, 64, 59,
+	54, 56, 60, 55, 63, 57, 51, 50, 53, 47,
+	52, 49, 48, 43, 46, 41, 45, 42, 58, 44,
+	95, 105, 70, 68, 67, 66, 69, 71, 65, 72,
+	86, 90, 88, 92, 103, 77, 79, 83, 78, 81,
+	80, 82, 13, 12, 15, 14, 17, 18, 19, 16,
+	2, 1, 0, 4, 6, 7, 9, 8, 33, 32,
+	31, 30, 29, 27, 25, 28, 26, 23, 21, 20,
+	24, 22, 5, 3, 10, 11, 106, 87, 91, 104,
+	97, 100,
+};
+
+/* SCORE groups */
+static const unsigned int byt_score_uart1_pins[] = { 70, 71, 72, 73 };
+static const unsigned int byt_score_uart2_pins[] = { 74, 75, 76, 77 };
+
+static const unsigned int byt_score_pwm0_pins[] = { 94 };
+static const unsigned int byt_score_pwm1_pins[] = { 95 };
+
+static const unsigned int byt_score_sio_spi_pins[] = { 66, 67, 68, 69 };
+
+static const unsigned int byt_score_i2c5_pins[] = { 88, 89 };
+static const unsigned int byt_score_i2c6_pins[] = { 90, 91 };
+static const unsigned int byt_score_i2c4_pins[] = { 86, 87 };
+static const unsigned int byt_score_i2c3_pins[] = { 84, 85 };
+static const unsigned int byt_score_i2c2_pins[] = { 82, 83 };
+static const unsigned int byt_score_i2c1_pins[] = { 80, 81 };
+static const unsigned int byt_score_i2c0_pins[] = { 78, 79 };
+
+static const unsigned int byt_score_ssp0_pins[] = { 8, 9, 10, 11 };
+static const unsigned int byt_score_ssp1_pins[] = { 12, 13, 14, 15 };
+static const unsigned int byt_score_ssp2_pins[] = { 62, 63, 64, 65 };
+
+static const unsigned int byt_score_sdcard_pins[] = {
+	7, 33, 34, 35, 36, 37, 38, 39, 40, 41,
+};
+static const unsigned int byt_score_sdcard_mux_values[] = {
+	2, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+};
+
+static const unsigned int byt_score_sdio_pins[] = { 27, 28, 29, 30, 31, 32 };
+
+static const unsigned int byt_score_emmc_pins[] = {
+	16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
+};
+
+static const unsigned int byt_score_ilb_lpc_pins[] = {
+	42, 43, 44, 45, 46, 47, 48, 49, 50,
+};
+
+static const unsigned int byt_score_sata_pins[] = { 0, 1, 2 };
+
+static const unsigned int byt_score_plt_clk0_pins[] = { 96 };
+static const unsigned int byt_score_plt_clk1_pins[] = { 97 };
+static const unsigned int byt_score_plt_clk2_pins[] = { 98 };
+static const unsigned int byt_score_plt_clk3_pins[] = { 99 };
+static const unsigned int byt_score_plt_clk4_pins[] = { 100 };
+static const unsigned int byt_score_plt_clk5_pins[] = { 101 };
+
+static const unsigned int byt_score_smbus_pins[] = { 51, 52, 53 };
+
+static const struct intel_pingroup byt_score_groups[] = {
+	PIN_GROUP("uart1_grp", byt_score_uart1_pins, 1),
+	PIN_GROUP("uart2_grp", byt_score_uart2_pins, 1),
+	PIN_GROUP("pwm0_grp", byt_score_pwm0_pins, 1),
+	PIN_GROUP("pwm1_grp", byt_score_pwm1_pins, 1),
+	PIN_GROUP("ssp2_grp", byt_score_ssp2_pins, 1),
+	PIN_GROUP("sio_spi_grp", byt_score_sio_spi_pins, 1),
+	PIN_GROUP("i2c5_grp", byt_score_i2c5_pins, 1),
+	PIN_GROUP("i2c6_grp", byt_score_i2c6_pins, 1),
+	PIN_GROUP("i2c4_grp", byt_score_i2c4_pins, 1),
+	PIN_GROUP("i2c3_grp", byt_score_i2c3_pins, 1),
+	PIN_GROUP("i2c2_grp", byt_score_i2c2_pins, 1),
+	PIN_GROUP("i2c1_grp", byt_score_i2c1_pins, 1),
+	PIN_GROUP("i2c0_grp", byt_score_i2c0_pins, 1),
+	PIN_GROUP("ssp0_grp", byt_score_ssp0_pins, 1),
+	PIN_GROUP("ssp1_grp", byt_score_ssp1_pins, 1),
+	PIN_GROUP("sdcard_grp", byt_score_sdcard_pins, byt_score_sdcard_mux_values),
+	PIN_GROUP("sdio_grp", byt_score_sdio_pins, 1),
+	PIN_GROUP("emmc_grp", byt_score_emmc_pins, 1),
+	PIN_GROUP("lpc_grp", byt_score_ilb_lpc_pins, 1),
+	PIN_GROUP("sata_grp", byt_score_sata_pins, 1),
+	PIN_GROUP("plt_clk0_grp", byt_score_plt_clk0_pins, 1),
+	PIN_GROUP("plt_clk1_grp", byt_score_plt_clk1_pins, 1),
+	PIN_GROUP("plt_clk2_grp", byt_score_plt_clk2_pins, 1),
+	PIN_GROUP("plt_clk3_grp", byt_score_plt_clk3_pins, 1),
+	PIN_GROUP("plt_clk4_grp", byt_score_plt_clk4_pins, 1),
+	PIN_GROUP("plt_clk5_grp", byt_score_plt_clk5_pins, 1),
+	PIN_GROUP("smbus_grp", byt_score_smbus_pins, 1),
+};
+
+static const char * const byt_score_uart_groups[] = {
+	"uart1_grp", "uart2_grp",
+};
+static const char * const byt_score_pwm_groups[] = {
+	"pwm0_grp", "pwm1_grp",
+};
+static const char * const byt_score_ssp_groups[] = {
+	"ssp0_grp", "ssp1_grp", "ssp2_grp",
+};
+static const char * const byt_score_spi_groups[] = { "sio_spi_grp" };
+static const char * const byt_score_i2c_groups[] = {
+	"i2c0_grp", "i2c1_grp", "i2c2_grp", "i2c3_grp", "i2c4_grp", "i2c5_grp",
+	"i2c6_grp",
+};
+static const char * const byt_score_sdcard_groups[] = { "sdcard_grp" };
+static const char * const byt_score_sdio_groups[] = { "sdio_grp" };
+static const char * const byt_score_emmc_groups[] = { "emmc_grp" };
+static const char * const byt_score_lpc_groups[] = { "lpc_grp" };
+static const char * const byt_score_sata_groups[] = { "sata_grp" };
+static const char * const byt_score_plt_clk_groups[] = {
+	"plt_clk0_grp", "plt_clk1_grp", "plt_clk2_grp", "plt_clk3_grp",
+	"plt_clk4_grp", "plt_clk5_grp",
+};
+static const char * const byt_score_smbus_groups[] = { "smbus_grp" };
+static const char * const byt_score_gpio_groups[] = {
+	"uart1_grp", "uart2_grp", "pwm0_grp", "pwm1_grp", "ssp0_grp",
+	"ssp1_grp", "ssp2_grp", "sio_spi_grp", "i2c0_grp", "i2c1_grp",
+	"i2c2_grp", "i2c3_grp", "i2c4_grp", "i2c5_grp", "i2c6_grp",
+	"sdcard_grp", "sdio_grp", "emmc_grp", "lpc_grp", "sata_grp",
+	"plt_clk0_grp", "plt_clk1_grp", "plt_clk2_grp", "plt_clk3_grp",
+	"plt_clk4_grp", "plt_clk5_grp", "smbus_grp",
+};
+
+static const struct intel_function byt_score_functions[] = {
+	FUNCTION("uart", byt_score_uart_groups),
+	FUNCTION("pwm", byt_score_pwm_groups),
+	FUNCTION("ssp", byt_score_ssp_groups),
+	FUNCTION("spi", byt_score_spi_groups),
+	FUNCTION("i2c", byt_score_i2c_groups),
+	FUNCTION("sdcard", byt_score_sdcard_groups),
+	FUNCTION("sdio", byt_score_sdio_groups),
+	FUNCTION("emmc", byt_score_emmc_groups),
+	FUNCTION("lpc", byt_score_lpc_groups),
+	FUNCTION("sata", byt_score_sata_groups),
+	FUNCTION("plt_clk", byt_score_plt_clk_groups),
+	FUNCTION("smbus", byt_score_smbus_groups),
+	FUNCTION("gpio", byt_score_gpio_groups),
+};
+
+static const struct intel_community byt_score_communities[] = {
+	COMMUNITY(0, BYT_NGPIO_SCORE, byt_score_pins_map),
+};
+
+static const struct intel_pinctrl_soc_data byt_score_soc_data = {
+	.uid		= BYT_SCORE_ACPI_UID,
+	.pins		= byt_score_pins,
+	.npins		= ARRAY_SIZE(byt_score_pins),
+	.groups		= byt_score_groups,
+	.ngroups	= ARRAY_SIZE(byt_score_groups),
+	.functions	= byt_score_functions,
+	.nfunctions	= ARRAY_SIZE(byt_score_functions),
+	.communities	= byt_score_communities,
+	.ncommunities	= ARRAY_SIZE(byt_score_communities),
+};
+
+/* SUS pins, aka GPIOS_<pin_no> or GPIO_S5[<pin_no>]  */
+static const struct pinctrl_pin_desc byt_sus_pins[] = {
+	PINCTRL_PIN(0, "GPIO_S50"),
+	PINCTRL_PIN(1, "GPIO_S51"),
+	PINCTRL_PIN(2, "GPIO_S52"),
+	PINCTRL_PIN(3, "GPIO_S53"),
+	PINCTRL_PIN(4, "GPIO_S54"),
+	PINCTRL_PIN(5, "GPIO_S55"),
+	PINCTRL_PIN(6, "GPIO_S56"),
+	PINCTRL_PIN(7, "GPIO_S57"),
+	PINCTRL_PIN(8, "GPIO_S58"),
+	PINCTRL_PIN(9, "GPIO_S59"),
+	PINCTRL_PIN(10, "GPIO_S510"),
+	PINCTRL_PIN(11, "PMC_SUSPWRDNACK"),
+	PINCTRL_PIN(12, "PMC_SUSCLK0"),
+	PINCTRL_PIN(13, "GPIO_S513"),
+	PINCTRL_PIN(14, "USB_ULPI_RST"),
+	PINCTRL_PIN(15, "PMC_WAKE_PCIE0#"),
+	PINCTRL_PIN(16, "PMC_PWRBTN"),
+	PINCTRL_PIN(17, "GPIO_S517"),
+	PINCTRL_PIN(18, "PMC_SUS_STAT"),
+	PINCTRL_PIN(19, "USB_OC0"),
+	PINCTRL_PIN(20, "USB_OC1"),
+	PINCTRL_PIN(21, "PCU_SPI_CS1"),
+	PINCTRL_PIN(22, "GPIO_S522"),
+	PINCTRL_PIN(23, "GPIO_S523"),
+	PINCTRL_PIN(24, "GPIO_S524"),
+	PINCTRL_PIN(25, "GPIO_S525"),
+	PINCTRL_PIN(26, "GPIO_S526"),
+	PINCTRL_PIN(27, "GPIO_S527"),
+	PINCTRL_PIN(28, "GPIO_S528"),
+	PINCTRL_PIN(29, "GPIO_S529"),
+	PINCTRL_PIN(30, "GPIO_S530"),
+	PINCTRL_PIN(31, "USB_ULPI_CLK"),
+	PINCTRL_PIN(32, "USB_ULPI_DATA0"),
+	PINCTRL_PIN(33, "USB_ULPI_DATA1"),
+	PINCTRL_PIN(34, "USB_ULPI_DATA2"),
+	PINCTRL_PIN(35, "USB_ULPI_DATA3"),
+	PINCTRL_PIN(36, "USB_ULPI_DATA4"),
+	PINCTRL_PIN(37, "USB_ULPI_DATA5"),
+	PINCTRL_PIN(38, "USB_ULPI_DATA6"),
+	PINCTRL_PIN(39, "USB_ULPI_DATA7"),
+	PINCTRL_PIN(40, "USB_ULPI_DIR"),
+	PINCTRL_PIN(41, "USB_ULPI_NXT"),
+	PINCTRL_PIN(42, "USB_ULPI_STP"),
+	PINCTRL_PIN(43, "USB_ULPI_REFCLK"),
+};
+
+static const unsigned int byt_sus_pins_map[BYT_NGPIO_SUS] = {
+	29, 33, 30, 31, 32, 34, 36, 35, 38, 37,
+	18, 7, 11, 20, 17, 1, 8, 10, 19, 12,
+	0, 2, 23, 39, 28, 27, 22, 21, 24, 25,
+	26, 51, 56, 54, 49, 55, 48, 57, 50, 58,
+	52, 53, 59, 40,
+};
+
+static const unsigned int byt_sus_usb_over_current_pins[] = { 19, 20 };
+static const unsigned int byt_sus_usb_over_current_mode_values[] = { 0, 0 };
+static const unsigned int byt_sus_usb_over_current_gpio_mode_values[] = { 1, 1 };
+
+static const unsigned int byt_sus_usb_ulpi_pins[] = {
+	14, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43,
+};
+static const unsigned int byt_sus_usb_ulpi_mode_values[] = {
+	2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+};
+static const unsigned int byt_sus_usb_ulpi_gpio_mode_values[] = {
+	1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+};
+
+static const unsigned int byt_sus_pcu_spi_pins[] = { 21 };
+static const unsigned int byt_sus_pcu_spi_mode_values[] = { 0 };
+static const unsigned int byt_sus_pcu_spi_gpio_mode_values[] = { 1 };
+
+static const unsigned int byt_sus_pmu_clk1_pins[] = { 5 };
+static const unsigned int byt_sus_pmu_clk2_pins[] = { 6 };
+
+static const struct intel_pingroup byt_sus_groups[] = {
+	PIN_GROUP("usb_oc_grp", byt_sus_usb_over_current_pins, byt_sus_usb_over_current_mode_values),
+	PIN_GROUP("usb_ulpi_grp", byt_sus_usb_ulpi_pins, byt_sus_usb_ulpi_mode_values),
+	PIN_GROUP("pcu_spi_grp", byt_sus_pcu_spi_pins, byt_sus_pcu_spi_mode_values),
+	PIN_GROUP("usb_oc_grp_gpio", byt_sus_usb_over_current_pins, byt_sus_usb_over_current_gpio_mode_values),
+	PIN_GROUP("usb_ulpi_grp_gpio", byt_sus_usb_ulpi_pins, byt_sus_usb_ulpi_gpio_mode_values),
+	PIN_GROUP("pcu_spi_grp_gpio", byt_sus_pcu_spi_pins, byt_sus_pcu_spi_gpio_mode_values),
+	PIN_GROUP("pmu_clk1_grp", byt_sus_pmu_clk1_pins, 1),
+	PIN_GROUP("pmu_clk2_grp", byt_sus_pmu_clk2_pins, 1),
+};
+
+static const char * const byt_sus_usb_groups[] = {
+	"usb_oc_grp", "usb_ulpi_grp",
+};
+static const char * const byt_sus_spi_groups[] = { "pcu_spi_grp" };
+static const char * const byt_sus_pmu_clk_groups[] = {
+	"pmu_clk1_grp", "pmu_clk2_grp",
+};
+static const char * const byt_sus_gpio_groups[] = {
+	"usb_oc_grp_gpio", "usb_ulpi_grp_gpio", "pcu_spi_grp_gpio",
+	"pmu_clk1_grp", "pmu_clk2_grp",
+};
+
+static const struct intel_function byt_sus_functions[] = {
+	FUNCTION("usb", byt_sus_usb_groups),
+	FUNCTION("spi", byt_sus_spi_groups),
+	FUNCTION("gpio", byt_sus_gpio_groups),
+	FUNCTION("pmu_clk", byt_sus_pmu_clk_groups),
+};
+
+static const struct intel_community byt_sus_communities[] = {
+	COMMUNITY(0, BYT_NGPIO_SUS, byt_sus_pins_map),
+};
+
+static const struct intel_pinctrl_soc_data byt_sus_soc_data = {
+	.uid		= BYT_SUS_ACPI_UID,
+	.pins		= byt_sus_pins,
+	.npins		= ARRAY_SIZE(byt_sus_pins),
+	.groups		= byt_sus_groups,
+	.ngroups	= ARRAY_SIZE(byt_sus_groups),
+	.functions	= byt_sus_functions,
+	.nfunctions	= ARRAY_SIZE(byt_sus_functions),
+	.communities	= byt_sus_communities,
+	.ncommunities	= ARRAY_SIZE(byt_sus_communities),
+};
+
+static const struct pinctrl_pin_desc byt_ncore_pins[] = {
+	PINCTRL_PIN(0, "HV_DDI0_HPD"),
+	PINCTRL_PIN(1, "HV_DDI0_DDC_SDA"),
+	PINCTRL_PIN(2, "HV_DDI0_DDC_SCL"),
+	PINCTRL_PIN(3, "PANEL0_VDDEN"),
+	PINCTRL_PIN(4, "PANEL0_BKLTEN"),
+	PINCTRL_PIN(5, "PANEL0_BKLTCTL"),
+	PINCTRL_PIN(6, "HV_DDI1_HPD"),
+	PINCTRL_PIN(7, "HV_DDI1_DDC_SDA"),
+	PINCTRL_PIN(8, "HV_DDI1_DDC_SCL"),
+	PINCTRL_PIN(9, "PANEL1_VDDEN"),
+	PINCTRL_PIN(10, "PANEL1_BKLTEN"),
+	PINCTRL_PIN(11, "PANEL1_BKLTCTL"),
+	PINCTRL_PIN(12, "GP_INTD_DSI_TE1"),
+	PINCTRL_PIN(13, "HV_DDI2_DDC_SDA"),
+	PINCTRL_PIN(14, "HV_DDI2_DDC_SCL"),
+	PINCTRL_PIN(15, "GP_CAMERASB00"),
+	PINCTRL_PIN(16, "GP_CAMERASB01"),
+	PINCTRL_PIN(17, "GP_CAMERASB02"),
+	PINCTRL_PIN(18, "GP_CAMERASB03"),
+	PINCTRL_PIN(19, "GP_CAMERASB04"),
+	PINCTRL_PIN(20, "GP_CAMERASB05"),
+	PINCTRL_PIN(21, "GP_CAMERASB06"),
+	PINCTRL_PIN(22, "GP_CAMERASB07"),
+	PINCTRL_PIN(23, "GP_CAMERASB08"),
+	PINCTRL_PIN(24, "GP_CAMERASB09"),
+	PINCTRL_PIN(25, "GP_CAMERASB10"),
+	PINCTRL_PIN(26, "GP_CAMERASB11"),
+	PINCTRL_PIN(27, "GP_INTD_DSI_TE2"),
+};
+
+static const unsigned int byt_ncore_pins_map[BYT_NGPIO_NCORE] = {
+	19, 18, 17, 20, 21, 22, 24, 25, 23, 16,
+	14, 15, 12, 26, 27, 1, 4, 8, 11, 0,
+	3, 6, 10, 13, 2, 5, 9, 7,
+};
+
+static const struct intel_community byt_ncore_communities[] = {
+	COMMUNITY(0, BYT_NGPIO_NCORE, byt_ncore_pins_map),
+};
+
+static const struct intel_pinctrl_soc_data byt_ncore_soc_data = {
+	.uid		= BYT_NCORE_ACPI_UID,
+	.pins		= byt_ncore_pins,
+	.npins		= ARRAY_SIZE(byt_ncore_pins),
+	.communities	= byt_ncore_communities,
+	.ncommunities	= ARRAY_SIZE(byt_ncore_communities),
+};
+
+static const struct intel_pinctrl_soc_data *byt_soc_data[] = {
+	&byt_score_soc_data,
+	&byt_sus_soc_data,
+	&byt_ncore_soc_data,
+	NULL
+};
+
+static DEFINE_RAW_SPINLOCK(byt_lock);
+
+static struct intel_community *byt_get_community(struct intel_pinctrl *vg,
+						 unsigned int pin)
+{
+	struct intel_community *comm;
+	int i;
+
+	for (i = 0; i < vg->ncommunities; i++) {
+		comm = vg->communities + i;
+		if (pin < comm->pin_base + comm->npins && pin >= comm->pin_base)
+			return comm;
+	}
+
+	return NULL;
+}
+
+static void __iomem *byt_gpio_reg(struct intel_pinctrl *vg, unsigned int offset,
+				  int reg)
+{
+	struct intel_community *comm = byt_get_community(vg, offset);
+	u32 reg_offset;
+
+	if (!comm)
+		return NULL;
+
+	offset -= comm->pin_base;
+	switch (reg) {
+	case BYT_INT_STAT_REG:
+		reg_offset = (offset / 32) * 4;
+		break;
+	case BYT_DEBOUNCE_REG:
+		reg_offset = 0;
+		break;
+	default:
+		reg_offset = comm->pad_map[offset] * 16;
+		break;
+	}
+
+	return comm->pad_regs + reg_offset + reg;
+}
+
+static int byt_get_groups_count(struct pinctrl_dev *pctldev)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctldev);
+
+	return vg->soc->ngroups;
+}
+
+static const char *byt_get_group_name(struct pinctrl_dev *pctldev,
+				      unsigned int selector)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctldev);
+
+	return vg->soc->groups[selector].grp.name;
+}
+
+static int byt_get_group_pins(struct pinctrl_dev *pctldev,
+			      unsigned int selector,
+			      const unsigned int **pins,
+			      unsigned int *num_pins)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctldev);
+
+	*pins		= vg->soc->groups[selector].grp.pins;
+	*num_pins	= vg->soc->groups[selector].grp.npins;
+
+	return 0;
+}
+
+static const struct pinctrl_ops byt_pinctrl_ops = {
+	.get_groups_count	= byt_get_groups_count,
+	.get_group_name		= byt_get_group_name,
+	.get_group_pins		= byt_get_group_pins,
+};
+
+static int byt_get_functions_count(struct pinctrl_dev *pctldev)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctldev);
+
+	return vg->soc->nfunctions;
+}
+
+static const char *byt_get_function_name(struct pinctrl_dev *pctldev,
+					 unsigned int selector)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctldev);
+
+	return vg->soc->functions[selector].name;
+}
+
+static int byt_get_function_groups(struct pinctrl_dev *pctldev,
+				   unsigned int selector,
+				   const char * const **groups,
+				   unsigned int *num_groups)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctldev);
+
+	*groups		= vg->soc->functions[selector].groups;
+	*num_groups	= vg->soc->functions[selector].ngroups;
+
+	return 0;
+}
+
+static void byt_set_group_simple_mux(struct intel_pinctrl *vg,
+				     const struct intel_pingroup group,
+				     unsigned int func)
+{
+	unsigned long flags;
+	int i;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	for (i = 0; i < group.grp.npins; i++) {
+		void __iomem *padcfg0;
+		u32 value;
+
+		padcfg0 = byt_gpio_reg(vg, group.grp.pins[i], BYT_CONF0_REG);
+		if (!padcfg0) {
+			dev_warn(vg->dev,
+				 "Group %s, pin %i not muxed (no padcfg0)\n",
+				 group.grp.name, i);
+			continue;
+		}
+
+		value = readl(padcfg0);
+		value &= ~BYT_PIN_MUX;
+		value |= func;
+		writel(value, padcfg0);
+	}
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+}
+
+static void byt_set_group_mixed_mux(struct intel_pinctrl *vg,
+				    const struct intel_pingroup group,
+				    const unsigned int *func)
+{
+	unsigned long flags;
+	int i;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	for (i = 0; i < group.grp.npins; i++) {
+		void __iomem *padcfg0;
+		u32 value;
+
+		padcfg0 = byt_gpio_reg(vg, group.grp.pins[i], BYT_CONF0_REG);
+		if (!padcfg0) {
+			dev_warn(vg->dev,
+				 "Group %s, pin %i not muxed (no padcfg0)\n",
+				 group.grp.name, i);
+			continue;
+		}
+
+		value = readl(padcfg0);
+		value &= ~BYT_PIN_MUX;
+		value |= func[i];
+		writel(value, padcfg0);
+	}
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+}
+
+static int byt_set_mux(struct pinctrl_dev *pctldev, unsigned int func_selector,
+		       unsigned int group_selector)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctldev);
+	const struct intel_function func = vg->soc->functions[func_selector];
+	const struct intel_pingroup group = vg->soc->groups[group_selector];
+
+	if (group.modes)
+		byt_set_group_mixed_mux(vg, group, group.modes);
+	else if (!strcmp(func.name, "gpio"))
+		byt_set_group_simple_mux(vg, group, BYT_DEFAULT_GPIO_MUX);
+	else
+		byt_set_group_simple_mux(vg, group, group.mode);
+
+	return 0;
+}
+
+static u32 byt_get_gpio_mux(struct intel_pinctrl *vg, unsigned int offset)
+{
+	/* SCORE pin 92-93 */
+	if (!strcmp(vg->soc->uid, BYT_SCORE_ACPI_UID) &&
+	    offset >= 92 && offset <= 93)
+		return BYT_ALTER_GPIO_MUX;
+
+	/* SUS pin 11-21 */
+	if (!strcmp(vg->soc->uid, BYT_SUS_ACPI_UID) &&
+	    offset >= 11 && offset <= 21)
+		return BYT_ALTER_GPIO_MUX;
+
+	return BYT_DEFAULT_GPIO_MUX;
+}
+
+static void byt_gpio_clear_triggering(struct intel_pinctrl *vg, unsigned int offset)
+{
+	void __iomem *reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
+	unsigned long flags;
+	u32 value;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+	value = readl(reg);
+
+	/* Do not clear direct-irq enabled IRQs (from gpio_disable_free) */
+	if (value & BYT_DIRECT_IRQ_EN)
+		/* nothing to do */ ;
+	else
+		value &= ~(BYT_TRIG_POS | BYT_TRIG_NEG | BYT_TRIG_LVL);
+
+	writel(value, reg);
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+}
+
+static int byt_gpio_request_enable(struct pinctrl_dev *pctl_dev,
+				   struct pinctrl_gpio_range *range,
+				   unsigned int offset)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctl_dev);
+	void __iomem *reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
+	u32 value, gpio_mux;
+	unsigned long flags;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	/*
+	 * In most cases, func pin mux 000 means GPIO function.
+	 * But, some pins may have func pin mux 001 represents
+	 * GPIO function.
+	 *
+	 * Because there are devices out there where some pins were not
+	 * configured correctly we allow changing the mux value from
+	 * request (but print out warning about that).
+	 */
+	value = readl(reg) & BYT_PIN_MUX;
+	gpio_mux = byt_get_gpio_mux(vg, offset);
+	if (gpio_mux != value) {
+		value = readl(reg) & ~BYT_PIN_MUX;
+		value |= gpio_mux;
+		writel(value, reg);
+
+		dev_warn(vg->dev, FW_BUG "pin %u forcibly re-configured as GPIO\n", offset);
+	}
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+	pm_runtime_get(vg->dev);
+
+	return 0;
+}
+
+static void byt_gpio_disable_free(struct pinctrl_dev *pctl_dev,
+				  struct pinctrl_gpio_range *range,
+				  unsigned int offset)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctl_dev);
+
+	byt_gpio_clear_triggering(vg, offset);
+	pm_runtime_put(vg->dev);
+}
+
+static void byt_gpio_direct_irq_check(struct intel_pinctrl *vg,
+				      unsigned int offset)
+{
+	void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
+
+	/*
+	 * Before making any direction modifications, do a check if gpio is set
+	 * for direct IRQ. On Bay Trail, setting GPIO to output does not make
+	 * sense, so let's at least inform the caller before they shoot
+	 * themselves in the foot.
+	 */
+	if (readl(conf_reg) & BYT_DIRECT_IRQ_EN)
+		dev_info_once(vg->dev, "Potential Error: Setting GPIO with direct_irq_en to output");
+}
+
+static int byt_gpio_set_direction(struct pinctrl_dev *pctl_dev,
+				  struct pinctrl_gpio_range *range,
+				  unsigned int offset,
+				  bool input)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctl_dev);
+	void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	unsigned long flags;
+	u32 value;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	value = readl(val_reg);
+	value &= ~BYT_DIR_MASK;
+	if (input)
+		value |= BYT_OUTPUT_EN;
+	else
+		byt_gpio_direct_irq_check(vg, offset);
+
+	writel(value, val_reg);
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+	return 0;
+}
+
+static const struct pinmux_ops byt_pinmux_ops = {
+	.get_functions_count	= byt_get_functions_count,
+	.get_function_name	= byt_get_function_name,
+	.get_function_groups	= byt_get_function_groups,
+	.set_mux		= byt_set_mux,
+	.gpio_request_enable	= byt_gpio_request_enable,
+	.gpio_disable_free	= byt_gpio_disable_free,
+	.gpio_set_direction	= byt_gpio_set_direction,
+};
+
+static void byt_get_pull_strength(u32 reg, u16 *strength)
+{
+	switch (reg & BYT_PULL_STR_MASK) {
+	case BYT_PULL_STR_2K:
+		*strength = 2000;
+		break;
+	case BYT_PULL_STR_10K:
+		*strength = 10000;
+		break;
+	case BYT_PULL_STR_20K:
+		*strength = 20000;
+		break;
+	case BYT_PULL_STR_40K:
+		*strength = 40000;
+		break;
+	}
+}
+
+static int byt_set_pull_strength(u32 *reg, u16 strength)
+{
+	*reg &= ~BYT_PULL_STR_MASK;
+
+	switch (strength) {
+	case 2000:
+		*reg |= BYT_PULL_STR_2K;
+		break;
+	case 10000:
+		*reg |= BYT_PULL_STR_10K;
+		break;
+	case 20000:
+		*reg |= BYT_PULL_STR_20K;
+		break;
+	case 40000:
+		*reg |= BYT_PULL_STR_40K;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int byt_pin_config_get(struct pinctrl_dev *pctl_dev, unsigned int offset,
+			      unsigned long *config)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctl_dev);
+	enum pin_config_param param = pinconf_to_config_param(*config);
+	void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
+	void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	void __iomem *db_reg = byt_gpio_reg(vg, offset, BYT_DEBOUNCE_REG);
+	unsigned long flags;
+	u32 conf, pull, val, debounce;
+	u16 arg = 0;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+	conf = readl(conf_reg);
+	pull = conf & BYT_PULL_ASSIGN_MASK;
+	val = readl(val_reg);
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+	switch (param) {
+	case PIN_CONFIG_BIAS_DISABLE:
+		if (pull)
+			return -EINVAL;
+		break;
+	case PIN_CONFIG_BIAS_PULL_DOWN:
+		/* Pull assignment is only applicable in input mode */
+		if ((val & BYT_INPUT_EN) || pull != BYT_PULL_ASSIGN_DOWN)
+			return -EINVAL;
+
+		byt_get_pull_strength(conf, &arg);
+
+		break;
+	case PIN_CONFIG_BIAS_PULL_UP:
+		/* Pull assignment is only applicable in input mode */
+		if ((val & BYT_INPUT_EN) || pull != BYT_PULL_ASSIGN_UP)
+			return -EINVAL;
+
+		byt_get_pull_strength(conf, &arg);
+
+		break;
+	case PIN_CONFIG_INPUT_DEBOUNCE:
+		if (!(conf & BYT_DEBOUNCE_EN))
+			return -EINVAL;
+
+		raw_spin_lock_irqsave(&byt_lock, flags);
+		debounce = readl(db_reg);
+		raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+		switch (debounce & BYT_DEBOUNCE_PULSE_MASK) {
+		case BYT_DEBOUNCE_PULSE_375US:
+			arg = 375;
+			break;
+		case BYT_DEBOUNCE_PULSE_750US:
+			arg = 750;
+			break;
+		case BYT_DEBOUNCE_PULSE_1500US:
+			arg = 1500;
+			break;
+		case BYT_DEBOUNCE_PULSE_3MS:
+			arg = 3000;
+			break;
+		case BYT_DEBOUNCE_PULSE_6MS:
+			arg = 6000;
+			break;
+		case BYT_DEBOUNCE_PULSE_12MS:
+			arg = 12000;
+			break;
+		case BYT_DEBOUNCE_PULSE_24MS:
+			arg = 24000;
+			break;
+		default:
+			return -EINVAL;
+		}
+
+		break;
+	default:
+		return -ENOTSUPP;
+	}
+
+	*config = pinconf_to_config_packed(param, arg);
+
+	return 0;
+}
+
+static int byt_pin_config_set(struct pinctrl_dev *pctl_dev,
+			      unsigned int offset,
+			      unsigned long *configs,
+			      unsigned int num_configs)
+{
+	struct intel_pinctrl *vg = pinctrl_dev_get_drvdata(pctl_dev);
+	unsigned int param, arg;
+	void __iomem *conf_reg = byt_gpio_reg(vg, offset, BYT_CONF0_REG);
+	void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	void __iomem *db_reg = byt_gpio_reg(vg, offset, BYT_DEBOUNCE_REG);
+	unsigned long flags;
+	u32 conf, val, debounce;
+	int i, ret = 0;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	conf = readl(conf_reg);
+	val = readl(val_reg);
+
+	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_DISABLE:
+			conf &= ~BYT_PULL_ASSIGN_MASK;
+			break;
+		case PIN_CONFIG_BIAS_PULL_DOWN:
+			/* Set default strength value in case none is given */
+			if (arg == 1)
+				arg = 2000;
+
+			/*
+			 * Pull assignment is only applicable in input mode. If
+			 * chip is not in input mode, set it and warn about it.
+			 */
+			if (val & BYT_INPUT_EN) {
+				val &= ~BYT_INPUT_EN;
+				writel(val, val_reg);
+				dev_warn(vg->dev,
+					 "pin %u forcibly set to input mode\n",
+					 offset);
+			}
+
+			conf &= ~BYT_PULL_ASSIGN_MASK;
+			conf |= BYT_PULL_ASSIGN_DOWN;
+			ret = byt_set_pull_strength(&conf, arg);
+
+			break;
+		case PIN_CONFIG_BIAS_PULL_UP:
+			/* Set default strength value in case none is given */
+			if (arg == 1)
+				arg = 2000;
+
+			/*
+			 * Pull assignment is only applicable in input mode. If
+			 * chip is not in input mode, set it and warn about it.
+			 */
+			if (val & BYT_INPUT_EN) {
+				val &= ~BYT_INPUT_EN;
+				writel(val, val_reg);
+				dev_warn(vg->dev,
+					 "pin %u forcibly set to input mode\n",
+					 offset);
+			}
+
+			conf &= ~BYT_PULL_ASSIGN_MASK;
+			conf |= BYT_PULL_ASSIGN_UP;
+			ret = byt_set_pull_strength(&conf, arg);
+
+			break;
+		case PIN_CONFIG_INPUT_DEBOUNCE:
+			debounce = readl(db_reg);
+
+			if (arg)
+				conf |= BYT_DEBOUNCE_EN;
+			else
+				conf &= ~BYT_DEBOUNCE_EN;
+
+			switch (arg) {
+			case 375:
+				debounce &= ~BYT_DEBOUNCE_PULSE_MASK;
+				debounce |= BYT_DEBOUNCE_PULSE_375US;
+				break;
+			case 750:
+				debounce &= ~BYT_DEBOUNCE_PULSE_MASK;
+				debounce |= BYT_DEBOUNCE_PULSE_750US;
+				break;
+			case 1500:
+				debounce &= ~BYT_DEBOUNCE_PULSE_MASK;
+				debounce |= BYT_DEBOUNCE_PULSE_1500US;
+				break;
+			case 3000:
+				debounce &= ~BYT_DEBOUNCE_PULSE_MASK;
+				debounce |= BYT_DEBOUNCE_PULSE_3MS;
+				break;
+			case 6000:
+				debounce &= ~BYT_DEBOUNCE_PULSE_MASK;
+				debounce |= BYT_DEBOUNCE_PULSE_6MS;
+				break;
+			case 12000:
+				debounce &= ~BYT_DEBOUNCE_PULSE_MASK;
+				debounce |= BYT_DEBOUNCE_PULSE_12MS;
+				break;
+			case 24000:
+				debounce &= ~BYT_DEBOUNCE_PULSE_MASK;
+				debounce |= BYT_DEBOUNCE_PULSE_24MS;
+				break;
+			default:
+				if (arg)
+					ret = -EINVAL;
+				break;
+			}
+
+			if (!ret)
+				writel(debounce, db_reg);
+			break;
+		default:
+			ret = -ENOTSUPP;
+		}
+
+		if (ret)
+			break;
+	}
+
+	if (!ret)
+		writel(conf, conf_reg);
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+	return ret;
+}
+
+static const struct pinconf_ops byt_pinconf_ops = {
+	.is_generic	= true,
+	.pin_config_get	= byt_pin_config_get,
+	.pin_config_set	= byt_pin_config_set,
+};
+
+static const struct pinctrl_desc byt_pinctrl_desc = {
+	.pctlops	= &byt_pinctrl_ops,
+	.pmxops		= &byt_pinmux_ops,
+	.confops	= &byt_pinconf_ops,
+	.owner		= THIS_MODULE,
+};
+
+static int byt_gpio_get(struct gpio_chip *chip, unsigned int offset)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	void __iomem *reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	unsigned long flags;
+	u32 val;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+	val = readl(reg);
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+	return !!(val & BYT_LEVEL);
+}
+
+static void byt_gpio_set(struct gpio_chip *chip, unsigned int offset, int value)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	void __iomem *reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	unsigned long flags;
+	u32 old_val;
+
+	if (!reg)
+		return;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+	old_val = readl(reg);
+	if (value)
+		writel(old_val | BYT_LEVEL, reg);
+	else
+		writel(old_val & ~BYT_LEVEL, reg);
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+}
+
+static int byt_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	void __iomem *reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	unsigned long flags;
+	u32 value;
+
+	if (!reg)
+		return -EINVAL;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+	value = readl(reg);
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+	if (!(value & BYT_OUTPUT_EN))
+		return GPIO_LINE_DIRECTION_OUT;
+	if (!(value & BYT_INPUT_EN))
+		return GPIO_LINE_DIRECTION_IN;
+
+	return -EINVAL;
+}
+
+static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned int offset)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	unsigned long flags;
+	u32 reg;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	reg = readl(val_reg);
+	reg &= ~BYT_DIR_MASK;
+	reg |= BYT_OUTPUT_EN;
+	writel(reg, val_reg);
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+	return 0;
+}
+
+/*
+ * Note despite the temptation this MUST NOT be converted into a call to
+ * pinctrl_gpio_direction_output() + byt_gpio_set() that does not work this
+ * MUST be done as a single BYT_VAL_REG register write.
+ * See the commit message of the commit adding this comment for details.
+ */
+static int byt_gpio_direction_output(struct gpio_chip *chip,
+				     unsigned int offset, int value)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	void __iomem *val_reg = byt_gpio_reg(vg, offset, BYT_VAL_REG);
+	unsigned long flags;
+	u32 reg;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	byt_gpio_direct_irq_check(vg, offset);
+
+	reg = readl(val_reg);
+	reg &= ~BYT_DIR_MASK;
+	if (value)
+		reg |= BYT_LEVEL;
+	else
+		reg &= ~BYT_LEVEL;
+
+	writel(reg, val_reg);
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+	return 0;
+}
+
+static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	int i;
+	u32 conf0, val;
+
+	for (i = 0; i < vg->soc->npins; i++) {
+		const struct intel_community *comm;
+		const char *pull_str = NULL;
+		const char *pull = NULL;
+		void __iomem *reg;
+		unsigned long flags;
+		const char *label;
+		unsigned int pin;
+
+		raw_spin_lock_irqsave(&byt_lock, flags);
+		pin = vg->soc->pins[i].number;
+		reg = byt_gpio_reg(vg, pin, BYT_CONF0_REG);
+		if (!reg) {
+			seq_printf(s,
+				   "Could not retrieve pin %i conf0 reg\n",
+				   pin);
+			raw_spin_unlock_irqrestore(&byt_lock, flags);
+			continue;
+		}
+		conf0 = readl(reg);
+
+		reg = byt_gpio_reg(vg, pin, BYT_VAL_REG);
+		if (!reg) {
+			seq_printf(s,
+				   "Could not retrieve pin %i val reg\n", pin);
+			raw_spin_unlock_irqrestore(&byt_lock, flags);
+			continue;
+		}
+		val = readl(reg);
+		raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+		comm = byt_get_community(vg, pin);
+		if (!comm) {
+			seq_printf(s,
+				   "Could not get community for pin %i\n", pin);
+			continue;
+		}
+		label = gpiochip_is_requested(chip, i);
+		if (!label)
+			label = "Unrequested";
+
+		switch (conf0 & BYT_PULL_ASSIGN_MASK) {
+		case BYT_PULL_ASSIGN_UP:
+			pull = "up";
+			break;
+		case BYT_PULL_ASSIGN_DOWN:
+			pull = "down";
+			break;
+		}
+
+		switch (conf0 & BYT_PULL_STR_MASK) {
+		case BYT_PULL_STR_2K:
+			pull_str = "2k";
+			break;
+		case BYT_PULL_STR_10K:
+			pull_str = "10k";
+			break;
+		case BYT_PULL_STR_20K:
+			pull_str = "20k";
+			break;
+		case BYT_PULL_STR_40K:
+			pull_str = "40k";
+			break;
+		}
+
+		seq_printf(s,
+			   " gpio-%-3d (%-20.20s) %s %s %s pad-%-3d offset:0x%03x mux:%d %s%s%s",
+			   pin,
+			   label,
+			   val & BYT_INPUT_EN ? "  " : "in",
+			   val & BYT_OUTPUT_EN ? "   " : "out",
+			   val & BYT_LEVEL ? "hi" : "lo",
+			   comm->pad_map[i], comm->pad_map[i] * 16,
+			   conf0 & 0x7,
+			   conf0 & BYT_TRIG_NEG ? " fall" : "     ",
+			   conf0 & BYT_TRIG_POS ? " rise" : "     ",
+			   conf0 & BYT_TRIG_LVL ? " level" : "      ");
+
+		if (pull && pull_str)
+			seq_printf(s, " %-4s %-3s", pull, pull_str);
+		else
+			seq_puts(s, "          ");
+
+		if (conf0 & BYT_IODEN)
+			seq_puts(s, " open-drain");
+
+		seq_puts(s, "\n");
+	}
+}
+
+static const struct gpio_chip byt_gpio_chip = {
+	.owner			= THIS_MODULE,
+	.request		= gpiochip_generic_request,
+	.free			= gpiochip_generic_free,
+	.get_direction		= byt_gpio_get_direction,
+	.direction_input	= byt_gpio_direction_input,
+	.direction_output	= byt_gpio_direction_output,
+	.get			= byt_gpio_get,
+	.set			= byt_gpio_set,
+	.set_config		= gpiochip_generic_config,
+	.dbg_show		= byt_gpio_dbg_show,
+};
+
+static void byt_irq_ack(struct irq_data *d)
+{
+	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+	struct intel_pinctrl *vg = gpiochip_get_data(gc);
+	irq_hw_number_t hwirq = irqd_to_hwirq(d);
+	void __iomem *reg;
+
+	reg = byt_gpio_reg(vg, hwirq, BYT_INT_STAT_REG);
+	if (!reg)
+		return;
+
+	raw_spin_lock(&byt_lock);
+	writel(BIT(hwirq % 32), reg);
+	raw_spin_unlock(&byt_lock);
+}
+
+static void byt_irq_mask(struct irq_data *d)
+{
+	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+	struct intel_pinctrl *vg = gpiochip_get_data(gc);
+	irq_hw_number_t hwirq = irqd_to_hwirq(d);
+
+	byt_gpio_clear_triggering(vg, hwirq);
+	gpiochip_disable_irq(gc, hwirq);
+}
+
+static void byt_irq_unmask(struct irq_data *d)
+{
+	struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
+	struct intel_pinctrl *vg = gpiochip_get_data(gc);
+	irq_hw_number_t hwirq = irqd_to_hwirq(d);
+	unsigned long flags;
+	void __iomem *reg;
+	u32 value;
+
+	gpiochip_enable_irq(gc, hwirq);
+
+	reg = byt_gpio_reg(vg, hwirq, BYT_CONF0_REG);
+	if (!reg)
+		return;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+	value = readl(reg);
+
+	switch (irqd_get_trigger_type(d)) {
+	case IRQ_TYPE_LEVEL_HIGH:
+		value |= BYT_TRIG_LVL;
+		fallthrough;
+	case IRQ_TYPE_EDGE_RISING:
+		value |= BYT_TRIG_POS;
+		break;
+	case IRQ_TYPE_LEVEL_LOW:
+		value |= BYT_TRIG_LVL;
+		fallthrough;
+	case IRQ_TYPE_EDGE_FALLING:
+		value |= BYT_TRIG_NEG;
+		break;
+	case IRQ_TYPE_EDGE_BOTH:
+		value |= (BYT_TRIG_NEG | BYT_TRIG_POS);
+		break;
+	}
+
+	writel(value, reg);
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+}
+
+static int byt_irq_type(struct irq_data *d, unsigned int type)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(irq_data_get_irq_chip_data(d));
+	irq_hw_number_t hwirq = irqd_to_hwirq(d);
+	u32 value;
+	unsigned long flags;
+	void __iomem *reg;
+
+	reg = byt_gpio_reg(vg, hwirq, BYT_CONF0_REG);
+	if (!reg)
+		return -EINVAL;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+	value = readl(reg);
+
+	WARN(value & BYT_DIRECT_IRQ_EN,
+	     "Bad pad config for io mode, force direct_irq_en bit clearing");
+
+	/* For level trigges the BYT_TRIG_POS and BYT_TRIG_NEG bits
+	 * are used to indicate high and low level triggering
+	 */
+	value &= ~(BYT_DIRECT_IRQ_EN | BYT_TRIG_POS | BYT_TRIG_NEG |
+		   BYT_TRIG_LVL);
+	/* Enable glitch filtering */
+	value |= BYT_GLITCH_FILTER_EN | BYT_GLITCH_F_SLOW_CLK |
+		 BYT_GLITCH_F_FAST_CLK;
+
+	writel(value, reg);
+
+	if (type & IRQ_TYPE_EDGE_BOTH)
+		irq_set_handler_locked(d, handle_edge_irq);
+	else if (type & IRQ_TYPE_LEVEL_MASK)
+		irq_set_handler_locked(d, handle_level_irq);
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+
+	return 0;
+}
+
+static const struct irq_chip byt_gpio_irq_chip = {
+	.name		= "BYT-GPIO",
+	.irq_ack	= byt_irq_ack,
+	.irq_mask	= byt_irq_mask,
+	.irq_unmask	= byt_irq_unmask,
+	.irq_set_type	= byt_irq_type,
+	.flags		= IRQCHIP_SKIP_SET_WAKE | IRQCHIP_SET_TYPE_MASKED | IRQCHIP_IMMUTABLE,
+	GPIOCHIP_IRQ_RESOURCE_HELPERS,
+};
+
+static void byt_gpio_irq_handler(struct irq_desc *desc)
+{
+	struct irq_data *data = irq_desc_get_irq_data(desc);
+	struct intel_pinctrl *vg = gpiochip_get_data(irq_desc_get_handler_data(desc));
+	struct irq_chip *chip = irq_data_get_irq_chip(data);
+	u32 base, pin;
+	void __iomem *reg;
+	unsigned long pending;
+
+	/* check from GPIO controller which pin triggered the interrupt */
+	for (base = 0; base < vg->chip.ngpio; base += 32) {
+		reg = byt_gpio_reg(vg, base, BYT_INT_STAT_REG);
+
+		if (!reg) {
+			dev_warn(vg->dev,
+				 "Pin %i: could not retrieve interrupt status register\n",
+				 base);
+			continue;
+		}
+
+		raw_spin_lock(&byt_lock);
+		pending = readl(reg);
+		raw_spin_unlock(&byt_lock);
+		for_each_set_bit(pin, &pending, 32)
+			generic_handle_domain_irq(vg->chip.irq.domain, base + pin);
+	}
+	chip->irq_eoi(data);
+}
+
+static bool byt_direct_irq_sanity_check(struct intel_pinctrl *vg, int pin, u32 conf0)
+{
+	int direct_irq, ioapic_direct_irq_base;
+	u8 *match, direct_irq_mux[16];
+	u32 trig;
+
+	memcpy_fromio(direct_irq_mux, vg->communities->pad_regs + BYT_DIRECT_IRQ_REG,
+		      sizeof(direct_irq_mux));
+	match = memchr(direct_irq_mux, pin, sizeof(direct_irq_mux));
+	if (!match) {
+		dev_warn(vg->dev, FW_BUG "pin %i: direct_irq_en set but no IRQ assigned, clearing\n", pin);
+		return false;
+	}
+
+	direct_irq = match - direct_irq_mux;
+	/* Base IO-APIC pin numbers come from atom-e3800-family-datasheet.pdf */
+	ioapic_direct_irq_base = (vg->communities->npins == BYT_NGPIO_SCORE) ? 51 : 67;
+	dev_dbg(vg->dev, "Pin %i: uses direct IRQ %d (IO-APIC %d)\n", pin,
+		direct_irq, direct_irq + ioapic_direct_irq_base);
+
+	/*
+	 * Testing has shown that the way direct IRQs work is that the combination of the
+	 * direct-irq-en flag and the direct IRQ mux connect the output of the GPIO's IRQ
+	 * trigger block, which normally sets the status flag in the IRQ status reg at
+	 * 0x800, to one of the IO-APIC pins according to the mux registers.
+	 *
+	 * This means that:
+	 * 1. The TRIG_MASK bits must be set to configure the GPIO's IRQ trigger block
+	 * 2. The TRIG_LVL bit *must* be set, so that the GPIO's input value is directly
+	 *    passed (1:1 or inverted) to the IO-APIC pin, if TRIG_LVL is not set,
+	 *    selecting edge mode operation then on the first edge the IO-APIC pin goes
+	 *    high, but since no write-to-clear write will be done to the IRQ status reg
+	 *    at 0x800, the detected edge condition will never get cleared.
+	 */
+	trig = conf0 & BYT_TRIG_MASK;
+	if (trig != (BYT_TRIG_POS | BYT_TRIG_LVL) &&
+	    trig != (BYT_TRIG_NEG | BYT_TRIG_LVL)) {
+		dev_warn(vg->dev, FW_BUG "pin %i: direct_irq_en set without trigger (conf0: %xh), clearing\n",
+			 pin, conf0);
+		return false;
+	}
+
+	return true;
+}
+
+static void byt_init_irq_valid_mask(struct gpio_chip *chip,
+				    unsigned long *valid_mask,
+				    unsigned int ngpios)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	void __iomem *reg;
+	u32 value;
+	int i;
+
+	/*
+	 * Clear interrupt triggers for all pins that are GPIOs and
+	 * do not use direct IRQ mode. This will prevent spurious
+	 * interrupts from misconfigured pins.
+	 */
+	for (i = 0; i < vg->soc->npins; i++) {
+		unsigned int pin = vg->soc->pins[i].number;
+
+		reg = byt_gpio_reg(vg, pin, BYT_CONF0_REG);
+		if (!reg) {
+			dev_warn(vg->dev,
+				 "Pin %i: could not retrieve conf0 register\n",
+				 i);
+			continue;
+		}
+
+		value = readl(reg);
+		if (value & BYT_DIRECT_IRQ_EN) {
+			if (byt_direct_irq_sanity_check(vg, i, value)) {
+				clear_bit(i, valid_mask);
+			} else {
+				value &= ~(BYT_DIRECT_IRQ_EN | BYT_TRIG_POS |
+					   BYT_TRIG_NEG | BYT_TRIG_LVL);
+				writel(value, reg);
+			}
+		} else if ((value & BYT_PIN_MUX) == byt_get_gpio_mux(vg, i)) {
+			byt_gpio_clear_triggering(vg, i);
+			dev_dbg(vg->dev, "disabling GPIO %d\n", i);
+		}
+	}
+}
+
+static int byt_gpio_irq_init_hw(struct gpio_chip *chip)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	void __iomem *reg;
+	u32 base, value;
+
+	/* clear interrupt status trigger registers */
+	for (base = 0; base < vg->soc->npins; base += 32) {
+		reg = byt_gpio_reg(vg, base, BYT_INT_STAT_REG);
+
+		if (!reg) {
+			dev_warn(vg->dev,
+				 "Pin %i: could not retrieve irq status reg\n",
+				 base);
+			continue;
+		}
+
+		writel(0xffffffff, reg);
+		/* make sure trigger bits are cleared, if not then a pin
+		   might be misconfigured in bios */
+		value = readl(reg);
+		if (value)
+			dev_err(vg->dev,
+				"GPIO interrupt error, pins misconfigured. INT_STAT%u: 0x%08x\n",
+				base / 32, value);
+	}
+
+	return 0;
+}
+
+static int byt_gpio_add_pin_ranges(struct gpio_chip *chip)
+{
+	struct intel_pinctrl *vg = gpiochip_get_data(chip);
+	struct device *dev = vg->dev;
+	int ret;
+
+	ret = gpiochip_add_pin_range(chip, dev_name(dev), 0, 0, vg->soc->npins);
+	if (ret)
+		dev_err(dev, "failed to add GPIO pin range\n");
+
+	return ret;
+}
+
+static int byt_gpio_probe(struct intel_pinctrl *vg)
+{
+	struct platform_device *pdev = to_platform_device(vg->dev);
+	struct gpio_chip *gc;
+	int irq, ret;
+
+	/* Set up gpio chip */
+	vg->chip	= byt_gpio_chip;
+	gc		= &vg->chip;
+	gc->label	= dev_name(vg->dev);
+	gc->base	= -1;
+	gc->can_sleep	= false;
+	gc->add_pin_ranges = byt_gpio_add_pin_ranges;
+	gc->parent	= vg->dev;
+	gc->ngpio	= vg->soc->npins;
+
+#ifdef CONFIG_PM_SLEEP
+	vg->context.pads = devm_kcalloc(vg->dev, gc->ngpio, sizeof(*vg->context.pads),
+					GFP_KERNEL);
+	if (!vg->context.pads)
+		return -ENOMEM;
+#endif
+
+	/* set up interrupts  */
+	irq = platform_get_irq_optional(pdev, 0);
+	if (irq > 0) {
+		struct gpio_irq_chip *girq;
+
+		girq = &gc->irq;
+		gpio_irq_chip_set_chip(girq, &byt_gpio_irq_chip);
+		girq->init_hw = byt_gpio_irq_init_hw;
+		girq->init_valid_mask = byt_init_irq_valid_mask;
+		girq->parent_handler = byt_gpio_irq_handler;
+		girq->num_parents = 1;
+		girq->parents = devm_kcalloc(vg->dev, girq->num_parents,
+					     sizeof(*girq->parents), GFP_KERNEL);
+		if (!girq->parents)
+			return -ENOMEM;
+		girq->parents[0] = irq;
+		girq->default_type = IRQ_TYPE_NONE;
+		girq->handler = handle_bad_irq;
+	}
+
+	ret = devm_gpiochip_add_data(vg->dev, gc, vg);
+	if (ret) {
+		dev_err(vg->dev, "failed adding byt-gpio chip\n");
+		return ret;
+	}
+
+	return ret;
+}
+
+static int byt_set_soc_data(struct intel_pinctrl *vg,
+			    const struct intel_pinctrl_soc_data *soc)
+{
+	struct platform_device *pdev = to_platform_device(vg->dev);
+	int i;
+
+	vg->soc = soc;
+
+	vg->ncommunities = vg->soc->ncommunities;
+	vg->communities = devm_kcalloc(vg->dev, vg->ncommunities,
+				       sizeof(*vg->communities), GFP_KERNEL);
+	if (!vg->communities)
+		return -ENOMEM;
+
+	for (i = 0; i < vg->soc->ncommunities; i++) {
+		struct intel_community *comm = vg->communities + i;
+
+		*comm = vg->soc->communities[i];
+
+		comm->pad_regs = devm_platform_ioremap_resource(pdev, 0);
+		if (IS_ERR(comm->pad_regs))
+			return PTR_ERR(comm->pad_regs);
+	}
+
+	return 0;
+}
+
+static const struct acpi_device_id byt_gpio_acpi_match[] = {
+	{ "INT33B2", (kernel_ulong_t)byt_soc_data },
+	{ "INT33FC", (kernel_ulong_t)byt_soc_data },
+	{ }
+};
+
+static int byt_pinctrl_probe(struct platform_device *pdev)
+{
+	const struct intel_pinctrl_soc_data *soc_data;
+	struct device *dev = &pdev->dev;
+	struct intel_pinctrl *vg;
+	int ret;
+
+	soc_data = intel_pinctrl_get_soc_data(pdev);
+	if (IS_ERR(soc_data))
+		return PTR_ERR(soc_data);
+
+	vg = devm_kzalloc(dev, sizeof(*vg), GFP_KERNEL);
+	if (!vg)
+		return -ENOMEM;
+
+	vg->dev = dev;
+	ret = byt_set_soc_data(vg, soc_data);
+	if (ret) {
+		dev_err(dev, "failed to set soc data\n");
+		return ret;
+	}
+
+	vg->pctldesc		= byt_pinctrl_desc;
+	vg->pctldesc.name	= dev_name(dev);
+	vg->pctldesc.pins	= vg->soc->pins;
+	vg->pctldesc.npins	= vg->soc->npins;
+
+	vg->pctldev = devm_pinctrl_register(dev, &vg->pctldesc, vg);
+	if (IS_ERR(vg->pctldev)) {
+		dev_err(dev, "failed to register pinctrl driver\n");
+		return PTR_ERR(vg->pctldev);
+	}
+
+	ret = byt_gpio_probe(vg);
+	if (ret)
+		return ret;
+
+	platform_set_drvdata(pdev, vg);
+	pm_runtime_enable(dev);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM_SLEEP
+static int byt_gpio_suspend(struct device *dev)
+{
+	struct intel_pinctrl *vg = dev_get_drvdata(dev);
+	unsigned long flags;
+	int i;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	for (i = 0; i < vg->soc->npins; i++) {
+		void __iomem *reg;
+		u32 value;
+		unsigned int pin = vg->soc->pins[i].number;
+
+		reg = byt_gpio_reg(vg, pin, BYT_CONF0_REG);
+		if (!reg) {
+			dev_warn(vg->dev,
+				 "Pin %i: could not retrieve conf0 register\n",
+				 i);
+			continue;
+		}
+		value = readl(reg) & BYT_CONF0_RESTORE_MASK;
+		vg->context.pads[i].conf0 = value;
+
+		reg = byt_gpio_reg(vg, pin, BYT_VAL_REG);
+		value = readl(reg) & BYT_VAL_RESTORE_MASK;
+		vg->context.pads[i].val = value;
+	}
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+	return 0;
+}
+
+static int byt_gpio_resume(struct device *dev)
+{
+	struct intel_pinctrl *vg = dev_get_drvdata(dev);
+	unsigned long flags;
+	int i;
+
+	raw_spin_lock_irqsave(&byt_lock, flags);
+
+	for (i = 0; i < vg->soc->npins; i++) {
+		void __iomem *reg;
+		u32 value;
+		unsigned int pin = vg->soc->pins[i].number;
+
+		reg = byt_gpio_reg(vg, pin, BYT_CONF0_REG);
+		if (!reg) {
+			dev_warn(vg->dev,
+				 "Pin %i: could not retrieve conf0 register\n",
+				 i);
+			continue;
+		}
+		value = readl(reg);
+		if ((value & BYT_CONF0_RESTORE_MASK) !=
+		     vg->context.pads[i].conf0) {
+			value &= ~BYT_CONF0_RESTORE_MASK;
+			value |= vg->context.pads[i].conf0;
+			writel(value, reg);
+			dev_info(dev, "restored pin %d conf0 %#08x", i, value);
+		}
+
+		reg = byt_gpio_reg(vg, pin, BYT_VAL_REG);
+		value = readl(reg);
+		if ((value & BYT_VAL_RESTORE_MASK) !=
+		     vg->context.pads[i].val) {
+			u32 v;
+
+			v = value & ~BYT_VAL_RESTORE_MASK;
+			v |= vg->context.pads[i].val;
+			if (v != value) {
+				writel(v, reg);
+				dev_dbg(dev, "restored pin %d val %#08x\n",
+					i, v);
+			}
+		}
+	}
+
+	raw_spin_unlock_irqrestore(&byt_lock, flags);
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_PM
+static int byt_gpio_runtime_suspend(struct device *dev)
+{
+	return 0;
+}
+
+static int byt_gpio_runtime_resume(struct device *dev)
+{
+	return 0;
+}
+#endif
+
+static const struct dev_pm_ops byt_gpio_pm_ops = {
+	SET_LATE_SYSTEM_SLEEP_PM_OPS(byt_gpio_suspend, byt_gpio_resume)
+	SET_RUNTIME_PM_OPS(byt_gpio_runtime_suspend, byt_gpio_runtime_resume,
+			   NULL)
+};
+
+static struct platform_driver byt_gpio_driver = {
+	.probe          = byt_pinctrl_probe,
+	.driver         = {
+		.name			= "byt_gpio",
+		.pm			= &byt_gpio_pm_ops,
+		.acpi_match_table	= byt_gpio_acpi_match,
+		.suppress_bind_attrs	= true,
+	},
+};
+
+static int __init byt_gpio_init(void)
+{
+	return platform_driver_register(&byt_gpio_driver);
+}
+subsys_initcall(byt_gpio_init);