Adding upstream version 6.1.76.upstream/6.1.76

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

1 files changed, 1301 insertions, 0 deletions

diff --git a/drivers/pinctrl/pinctrl-thunderbay.c b/drivers/pinctrl/pinctrl-thunderbay.c
new file mode 100644
index 000000000..590bbbf61
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-thunderbay.c
@@ -0,0 +1,1301 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Intel Thunder Bay SOC pinctrl/GPIO driver
+ *
+ * Copyright (C) 2021 Intel Corporation
+ */
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/gpio/driver.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+
+#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/pinctrl/pinmux.h>
+
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+
+#include "core.h"
+#include "pinconf.h"
+#include "pinctrl-utils.h"
+#include "pinmux.h"
+
+/* Bit 0:2 and 4:6 should be used for mode selection */
+#define THB_GPIO_PINMUX_MODE_0			0x00
+#define THB_GPIO_PINMUX_MODE_1			0x11
+#define THB_GPIO_PINMUX_MODE_2			0x22
+#define THB_GPIO_PINMUX_MODE_3			0x33
+#define THB_GPIO_PINMUX_MODE_4			0x44
+
+#define THB_GPIO_PORT_SELECT_MASK		BIT(8)
+#define THB_GPIO_PAD_DIRECTION_MASK		BIT(10)
+#define THB_GPIO_SPU_MASK			BIT(11)
+#define THB_GPIO_PULL_ENABLE_MASK		BIT(12)
+#define THB_GPIO_PULL_UP_MASK			BIT(13)
+#define THB_GPIO_PULL_DOWN_MASK			BIT(14)
+#define THB_GPIO_ENAQ_MASK			BIT(15)
+/* bit 16-19: Drive Strength for the Pad */
+#define THB_GPIO_DRIVE_STRENGTH_MASK		(0xF0000)
+#define THB_GPIO_SLEW_RATE_MASK			BIT(20)
+#define THB_GPIO_SCHMITT_TRIGGER_MASK		BIT(21)
+
+#define THB_GPIO_REG_OFFSET(pin_num)			((pin_num) * (0x4))
+#define THB_MAX_MODE_SUPPORTED				(5u)
+#define THB_MAX_NPINS_SUPPORTED				(67u)
+
+/* store Pin status */
+static u32 thb_pinx_status[THB_MAX_NPINS_SUPPORTED];
+
+struct thunderbay_mux_desc {
+	u8 mode;
+	const char *name;
+};
+
+#define THUNDERBAY_PIN_DESC(pin_number, pin_name, ...) {        \
+	.number = pin_number,                           \
+	.name = pin_name,                               \
+	.drv_data = &(struct thunderbay_mux_desc[]) {   \
+			__VA_ARGS__, { } },             \
+}
+
+#define THUNDERBAY_MUX(pin_mode, pin_function) {                \
+	.mode = pin_mode,                               \
+	.name = pin_function,                           \
+}
+
+struct thunderbay_pin_soc {
+	const struct pinctrl_pin_desc           *pins;
+	unsigned int                            npins;
+};
+
+/**
+ * struct thunderbay_pinctrl - Intel Thunderbay pinctrl structure
+ * @pctrl: Pointer to the pin controller device
+ * @base0: First register base address
+ * @dev: Pointer to the device structure
+ * @chip: GPIO chip used by this pin controller
+ * @soc: Pin control configuration data based on SoC
+ * @ngroups: Number of pin groups available
+ * @nfuncs: Number of pin functions available
+ */
+struct thunderbay_pinctrl {
+	struct pinctrl_dev              *pctrl;
+	void __iomem                    *base0;
+	struct device                   *dev;
+	struct gpio_chip                chip;
+	const struct thunderbay_pin_soc *soc;
+	unsigned int                    ngroups;
+	unsigned int                    nfuncs;
+};
+
+static const struct pinctrl_pin_desc thunderbay_pins[] = {
+	THUNDERBAY_PIN_DESC(0, "GPIO0",
+			    THUNDERBAY_MUX(0X0, "I2C0_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(1, "GPIO1",
+			    THUNDERBAY_MUX(0X0, "I2C0_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(2, "GPIO2",
+			    THUNDERBAY_MUX(0X0, "I2C1_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(3, "GPIO3",
+			    THUNDERBAY_MUX(0X0, "I2C1_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(4, "GPIO4",
+			    THUNDERBAY_MUX(0X0, "I2C2_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(5, "GPIO5",
+			    THUNDERBAY_MUX(0X0, "I2C2_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(6, "GPIO6",
+			    THUNDERBAY_MUX(0X0, "I2C3_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(7, "GPIO7",
+			    THUNDERBAY_MUX(0X0, "I2C3_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(8, "GPIO8",
+			    THUNDERBAY_MUX(0X0, "I2C4_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(9, "GPIO9",
+			    THUNDERBAY_MUX(0X0, "I2C4_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(10, "GPIO10",
+			    THUNDERBAY_MUX(0X0, "UART0_M0"),
+			    THUNDERBAY_MUX(0X1, "RT0_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(11, "GPIO11",
+			    THUNDERBAY_MUX(0X0, "UART0_M0"),
+			    THUNDERBAY_MUX(0X1, "RT0_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(12, "GPIO12",
+			    THUNDERBAY_MUX(0X0, "UART0_M0"),
+			    THUNDERBAY_MUX(0X1, "RT1_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(13, "GPIO13",
+			    THUNDERBAY_MUX(0X0, "UART0_M0"),
+			    THUNDERBAY_MUX(0X1, "RT1_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(14, "GPIO14",
+			    THUNDERBAY_MUX(0X0, "UART1_M0"),
+			    THUNDERBAY_MUX(0X1, "RT2_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "TRIGGER_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(15, "GPIO15",
+			    THUNDERBAY_MUX(0X0, "UART1_M0"),
+			    THUNDERBAY_MUX(0X1, "RT2_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "TRIGGER_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(16, "GPIO16",
+			    THUNDERBAY_MUX(0X0, "UART1_M0"),
+			    THUNDERBAY_MUX(0X1, "RT3_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(17, "GPIO17",
+			    THUNDERBAY_MUX(0X0, "UART1_M0"),
+			    THUNDERBAY_MUX(0X1, "RT3_DSU_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(18, "GPIO18",
+			    THUNDERBAY_MUX(0X0, "SPI0_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(19, "GPIO19",
+			    THUNDERBAY_MUX(0X0, "SPI0_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(20, "GPIO20",
+			    THUNDERBAY_MUX(0X0, "SPI0_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_TRACE_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(21, "GPIO21",
+			    THUNDERBAY_MUX(0X0, "SPI0_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_TRACE_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(22, "GPIO22",
+			    THUNDERBAY_MUX(0X0, "SPI1_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M0"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(23, "GPIO23",
+			    THUNDERBAY_MUX(0X0, "SPI1_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(24, "GPIO24",
+			    THUNDERBAY_MUX(0X0, "SPI1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_TRACE_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(25, "GPIO25",
+			    THUNDERBAY_MUX(0X0, "SPI1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_TRACE_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(26, "GPIO26",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(27, "GPIO27",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(28, "GPIO28",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(29, "GPIO29",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(30, "GPIO30",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(31, "GPIO31",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(32, "GPIO32",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(33, "GPIO33",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(34, "GPIO34",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DIG_VIEW_0"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(35, "GPIO35",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DIG_VIEW_1"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(36, "GPIO36",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_0"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(37, "GPIO37",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_1"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(38, "GPIO38",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_2"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(39, "GPIO39",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(40, "GPIO40",
+			    THUNDERBAY_MUX(0X0, "ETHER0_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(41, "GPIO41",
+			    THUNDERBAY_MUX(0X0, "POWER_INTERRUPT_MAX_PLATFORM_POWER_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(42, "GPIO42",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(43, "GPIO43",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(44, "GPIO44",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(45, "GPIO45",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(46, "GPIO46",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(47, "GPIO47",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(48, "GPIO48",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(49, "GPIO49",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DEBUG_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(50, "GPIO50",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DIG_VIEW_0"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(51, "GPIO51",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "DIG_VIEW_1"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(52, "GPIO52",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_0"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(53, "GPIO53",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_1"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(54, "GPIO54",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_2"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(55, "GPIO55",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "CPR_IO_OUT_CLK_3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(56, "GPIO56",
+			    THUNDERBAY_MUX(0X0, "ETHER1_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "POWER_INTERRUPT_ICCMAX_VDDD_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(57, "GPIO57",
+			    THUNDERBAY_MUX(0X0, "POWER_INTERRUPT_ICCMAX_VPU_M0"),
+			    THUNDERBAY_MUX(0X1, "TPIU_DATA_M1"),
+			    THUNDERBAY_MUX(0X2, "TPIU_DATA_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(58, "GPIO58",
+			    THUNDERBAY_MUX(0X0, "THERMTRIP_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(59, "GPIO59",
+			    THUNDERBAY_MUX(0X0, "THERMTRIP_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(60, "GPIO60",
+			    THUNDERBAY_MUX(0X0, "SMBUS_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(61, "GPIO61",
+			    THUNDERBAY_MUX(0X0, "SMBUS_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "POWER_INTERRUPT_ICCMAX_VDDD_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(62, "GPIO62",
+			    THUNDERBAY_MUX(0X0, "PLATFORM_RESET_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(63, "GPIO63",
+			    THUNDERBAY_MUX(0X0, "PLATFORM_RESET_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(64, "GPIO64",
+			    THUNDERBAY_MUX(0X0, "PLATFORM_SHUTDOWN_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(65, "GPIO65",
+			    THUNDERBAY_MUX(0X0, "PLATFORM_SHUTDOWN_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+	THUNDERBAY_PIN_DESC(66, "GPIO66",
+			    THUNDERBAY_MUX(0X0, "POWER_INTERRUPT_ICCMAX_MEDIA_M0"),
+			    THUNDERBAY_MUX(0X1, "EMPTY_M1"),
+			    THUNDERBAY_MUX(0X2, "EMPTY_M2"),
+			    THUNDERBAY_MUX(0X3, "EMPTY_M3"),
+			    THUNDERBAY_MUX(0X4, "GPIO_M4")),
+};
+
+static const struct thunderbay_pin_soc thunderbay_data = {
+	.pins	= thunderbay_pins,
+	.npins  = ARRAY_SIZE(thunderbay_pins),
+};
+
+static u32 thb_gpio_read_reg(struct gpio_chip *chip, unsigned int pinnr)
+{
+	struct thunderbay_pinctrl *tpc = gpiochip_get_data(chip);
+
+	return readl(tpc->base0 + THB_GPIO_REG_OFFSET(pinnr));
+}
+
+static u32 thb_gpio_write_reg(struct gpio_chip *chip, unsigned int pinnr, u32 value)
+{
+	struct thunderbay_pinctrl *tpc = gpiochip_get_data(chip);
+
+	writel(value, (tpc->base0 + THB_GPIO_REG_OFFSET(pinnr)));
+	return 0;
+}
+
+static int thb_read_gpio_data(struct gpio_chip *chip, unsigned int offset, unsigned int pad_dir)
+{
+	int data_offset;
+	u32 data_reg;
+
+	/* as per GPIO Spec = pad_dir 0:input, 1:output */
+	data_offset = 0x2000u + (offset / 32);
+	if (!pad_dir)
+		data_offset += 4;
+	data_reg = thb_gpio_read_reg(chip, data_offset);
+
+	return data_reg & BIT(offset % 32);
+}
+
+static int thb_write_gpio_data(struct gpio_chip *chip, unsigned int offset, unsigned int value)
+{
+	int data_offset;
+	u32 data_reg;
+
+	data_offset = 0x2000u + (offset / 32);
+
+	data_reg = thb_gpio_read_reg(chip, data_offset);
+
+	if (value > 0)
+		data_reg |= BIT(offset % 32);
+	else
+		data_reg &= ~BIT(offset % 32);
+
+	return thb_gpio_write_reg(chip, data_offset, data_reg);
+}
+
+static int thunderbay_gpio_get_direction(struct gpio_chip *chip, unsigned int offset)
+{
+	u32 reg = thb_gpio_read_reg(chip, offset);
+
+	/* Return direction only if configured as GPIO else negative error */
+	if (reg & THB_GPIO_PORT_SELECT_MASK)
+		return !(reg & THB_GPIO_PAD_DIRECTION_MASK);
+	return -EINVAL;
+}
+
+static int thunderbay_gpio_set_direction_input(struct gpio_chip *chip, unsigned int offset)
+{
+	u32 reg = thb_gpio_read_reg(chip, offset);
+
+	/* set pin as input only if it is GPIO else error */
+	if (reg & THB_GPIO_PORT_SELECT_MASK) {
+		reg &= (~THB_GPIO_PAD_DIRECTION_MASK);
+		thb_gpio_write_reg(chip, offset, reg);
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static void thunderbay_gpio_set_value(struct gpio_chip *chip, unsigned int offset, int value)
+{
+	u32 reg = thb_gpio_read_reg(chip, offset);
+
+	/* update pin value only if it is GPIO-output else error */
+	if ((reg & THB_GPIO_PORT_SELECT_MASK) && (reg & THB_GPIO_PAD_DIRECTION_MASK))
+		thb_write_gpio_data(chip, offset, value);
+}
+
+static int thunderbay_gpio_set_direction_output(struct gpio_chip *chip,
+						unsigned int offset, int value)
+{
+	u32 reg = thb_gpio_read_reg(chip, offset);
+
+	/* set pin as output only if it is GPIO else error */
+	if (reg & THB_GPIO_PORT_SELECT_MASK) {
+		reg |= THB_GPIO_PAD_DIRECTION_MASK;
+		thb_gpio_write_reg(chip, offset, reg);
+		thunderbay_gpio_set_value(chip, offset, value);
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int thunderbay_gpio_get_value(struct gpio_chip *chip, unsigned int offset)
+{
+	u32 reg = thb_gpio_read_reg(chip, offset);
+	int gpio_dir = 0;
+
+	/* Read pin value only if it is GPIO else error */
+	if (reg & THB_GPIO_PORT_SELECT_MASK) {
+		/* 0=in, 1=out */
+		gpio_dir = (reg & THB_GPIO_PAD_DIRECTION_MASK) > 0;
+
+		/* Returns negative value when pin is configured as PORT */
+		return thb_read_gpio_data(chip, offset, gpio_dir);
+	}
+	return -EINVAL;
+}
+
+static int thunderbay_gpiochip_probe(struct thunderbay_pinctrl *tpc)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	int ret;
+
+	chip->label		= dev_name(tpc->dev);
+	chip->parent		= tpc->dev;
+	chip->request		= gpiochip_generic_request;
+	chip->free		= gpiochip_generic_free;
+	chip->get_direction	= thunderbay_gpio_get_direction;
+	chip->direction_input	= thunderbay_gpio_set_direction_input;
+	chip->direction_output  = thunderbay_gpio_set_direction_output;
+	chip->get		= thunderbay_gpio_get_value;
+	chip->set               = thunderbay_gpio_set_value;
+	chip->set_config	= gpiochip_generic_config;
+	/* identifies the first GPIO number handled by this chip; or,
+	 * if negative during registration, requests dynamic ID allocation.
+	 * Please pass -1 as base to let gpiolib select the chip base in all possible cases.
+	 * We want to get rid of the static GPIO number space in the long run.
+	 */
+	chip->base		= -1;
+	/* Number of GPIOs handled by this controller; the last GPIO handled is (base + ngpio - 1)*/
+	chip->ngpio		= THB_MAX_NPINS_SUPPORTED;
+
+	/* Register/add Thunder Bay GPIO chip with Linux framework */
+	ret = gpiochip_add_data(chip, tpc);
+	if (ret)
+		dev_err(tpc->dev, "Failed to add gpiochip\n");
+	return ret;
+}
+
+static int thunderbay_request_gpio(struct pinctrl_dev *pctldev,
+				   struct pinctrl_gpio_range *range,
+				   unsigned int pin)
+{
+	struct thunderbay_pinctrl *tpc = pinctrl_dev_get_drvdata(pctldev);
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg = 0;
+
+	if (thb_pinx_status[pin] == 0u) {
+		reg = thb_gpio_read_reg(chip, pin);
+		/* Updates PIN configuration as GPIO and sets GPIO to MODE-4*/
+		reg |= (THB_GPIO_PORT_SELECT_MASK | THB_GPIO_PINMUX_MODE_4);
+		thb_gpio_write_reg(chip, pin, reg);
+
+		/* update pin status as busy */
+		thb_pinx_status[pin] = 1u;
+
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static void thunderbay_free_gpio(struct pinctrl_dev *pctldev,
+				 struct pinctrl_gpio_range *range,
+				 unsigned int pin)
+{
+	struct thunderbay_pinctrl *tpc = pinctrl_dev_get_drvdata(pctldev);
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg = 0;
+
+	if (thb_pinx_status[pin] == 1u) {
+		reg = thb_gpio_read_reg(chip, pin);
+
+		/* Updates PIN configuration from GPIO to PORT */
+		reg &= (~THB_GPIO_PORT_SELECT_MASK);
+
+		/* Change Port/gpio mode to default mode-0 */
+		reg &= (~THB_GPIO_PINMUX_MODE_4);
+
+		thb_gpio_write_reg(chip, pin, reg);
+
+		/* update pin status as free */
+		thb_pinx_status[pin] = 0u;
+	}
+}
+
+static int thb_pinctrl_set_mux(struct pinctrl_dev *pctldev,
+			       unsigned int func_select, unsigned int group_select)
+{
+	struct thunderbay_pinctrl *tpc = pinctrl_dev_get_drvdata(pctldev);
+	struct gpio_chip *chip = &tpc->chip;
+	struct function_desc *function;
+	unsigned int i, pin_mode;
+	struct group_desc *group;
+	int ret = -EINVAL;
+	u32 reg = 0u;
+
+	group = pinctrl_generic_get_group(pctldev, group_select);
+	if (!group)
+		return -EINVAL;
+
+	function = pinmux_generic_get_function(pctldev, func_select);
+	if (!function)
+		return -EINVAL;
+
+	pin_mode = *(unsigned int *)(function->data);
+
+	/* Change modes for pins in the selected group */
+	for (i = 0; i < group->num_pins; i++) {
+		reg = thb_gpio_read_reg(chip, group->pins[i]);
+
+		switch (pin_mode) {
+		case 0u:
+			reg |= THB_GPIO_PINMUX_MODE_0;
+			break;
+		case 1u:
+			reg |= THB_GPIO_PINMUX_MODE_1;
+			break;
+		case 2u:
+			reg |= THB_GPIO_PINMUX_MODE_2;
+			break;
+		case 3u:
+			reg |= THB_GPIO_PINMUX_MODE_3;
+			break;
+		case 4u:
+			reg |= THB_GPIO_PINMUX_MODE_4;
+			break;
+		default:
+			return -EINVAL;
+		}
+
+		ret = thb_gpio_write_reg(chip, group->pins[i], reg);
+		if (~ret) {
+			/* update pin status as busy */
+			thb_pinx_status[group->pins[i]] = 1u;
+		}
+	}
+	return ret;
+}
+
+static int thunderbay_build_groups(struct thunderbay_pinctrl *tpc)
+{
+	struct group_desc *thunderbay_groups;
+	int i;
+
+	tpc->ngroups = tpc->soc->npins;
+	thunderbay_groups = devm_kcalloc(tpc->dev, tpc->ngroups,
+					 sizeof(*thunderbay_groups), GFP_KERNEL);
+	if (!thunderbay_groups)
+		return -ENOMEM;
+
+	for (i = 0; i < tpc->ngroups; i++) {
+		struct group_desc *group = thunderbay_groups + i;
+		const struct pinctrl_pin_desc *pin_info = thunderbay_pins + i;
+
+		group->name = pin_info->name;
+		group->pins = (int *)&pin_info->number;
+		pinctrl_generic_add_group(tpc->pctrl, group->name,
+					  group->pins, 1, NULL);
+	}
+	return 0;
+}
+
+static int thunderbay_add_functions(struct thunderbay_pinctrl *tpc, struct function_desc *funcs)
+{
+	int i;
+
+	/* Assign the groups for each function */
+	for (i = 0; i < tpc->nfuncs; i++) {
+		struct function_desc *func = &funcs[i];
+		const char **group_names;
+		unsigned int grp_idx = 0;
+		int j;
+
+		group_names = devm_kcalloc(tpc->dev, func->num_group_names,
+					   sizeof(*group_names), GFP_KERNEL);
+		if (!group_names)
+			return -ENOMEM;
+
+		for (j = 0; j < tpc->soc->npins; j++) {
+			const struct pinctrl_pin_desc *pin_info = &thunderbay_pins[j];
+			struct thunderbay_mux_desc *pin_mux;
+
+			for (pin_mux = pin_info->drv_data; pin_mux->name; pin_mux++) {
+				if (!strcmp(pin_mux->name, func->name))
+					group_names[grp_idx++] = pin_info->name;
+			}
+		}
+
+		func->group_names = group_names;
+	}
+
+	/* Add all functions */
+	for (i = 0; i < tpc->nfuncs; i++) {
+		pinmux_generic_add_function(tpc->pctrl,
+					    funcs[i].name,
+					    funcs[i].group_names,
+					    funcs[i].num_group_names,
+					    funcs[i].data);
+	}
+
+	return 0;
+}
+
+static int thunderbay_build_functions(struct thunderbay_pinctrl *tpc)
+{
+	struct function_desc *thunderbay_funcs;
+	void *ptr;
+	int pin;
+	int ret;
+
+	/*
+	 * Allocate maximum possible number of functions. Assume every pin
+	 * being part of 8 (hw maximum) globally unique muxes.
+	 */
+	tpc->nfuncs = 0;
+	thunderbay_funcs = kcalloc(tpc->soc->npins * 8,
+				   sizeof(*thunderbay_funcs), GFP_KERNEL);
+	if (!thunderbay_funcs)
+		return -ENOMEM;
+
+	/* Setup 1 function for each unique mux */
+	for (pin = 0; pin < tpc->soc->npins; pin++) {
+		const struct pinctrl_pin_desc *pin_info = thunderbay_pins + pin;
+		struct thunderbay_mux_desc *pin_mux;
+
+		for (pin_mux = pin_info->drv_data; pin_mux->name; pin_mux++) {
+			struct function_desc *func;
+
+			/* Check if we already have function for this mux */
+			for (func = thunderbay_funcs; func->name; func++) {
+				if (!strcmp(pin_mux->name, func->name)) {
+					func->num_group_names++;
+					break;
+				}
+			}
+
+			if (!func->name) {
+				func->name = pin_mux->name;
+				func->num_group_names = 1;
+				func->data = (int *)&pin_mux->mode;
+				tpc->nfuncs++;
+			}
+		}
+	}
+
+	/* Reallocate memory based on actual number of functions */
+	ptr = krealloc(thunderbay_funcs,
+		       tpc->nfuncs * sizeof(*thunderbay_funcs), GFP_KERNEL);
+	if (!ptr)
+		return -ENOMEM;
+
+	thunderbay_funcs = ptr;
+	ret = thunderbay_add_functions(tpc, thunderbay_funcs);
+
+	kfree(thunderbay_funcs);
+	return ret;
+}
+
+static int thunderbay_pinconf_set_tristate(struct thunderbay_pinctrl *tpc,
+					   unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	if (config > 0)
+		reg |= THB_GPIO_ENAQ_MASK;
+	else
+		reg &= ~THB_GPIO_ENAQ_MASK;
+
+	return thb_gpio_write_reg(chip, pin, reg);
+}
+
+static int thunderbay_pinconf_get_tristate(struct thunderbay_pinctrl *tpc,
+					   unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	*config = (reg & THB_GPIO_ENAQ_MASK) > 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_set_pulldown(struct thunderbay_pinctrl *tpc,
+					   unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	if (config > 0)
+		reg |= THB_GPIO_PULL_DOWN_MASK;
+	else
+		reg &= ~THB_GPIO_PULL_DOWN_MASK;
+
+	return thb_gpio_write_reg(chip, pin, reg);
+}
+
+static int thunderbay_pinconf_get_pulldown(struct thunderbay_pinctrl *tpc,
+					   unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg = 0;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	*config = ((reg & THB_GPIO_PULL_DOWN_MASK) > 0) ? 1 : 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_set_pullup(struct thunderbay_pinctrl *tpc,
+					 unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	if (config > 0)
+		reg &= ~THB_GPIO_PULL_UP_MASK;
+	else
+		reg |= THB_GPIO_PULL_UP_MASK;
+
+	return thb_gpio_write_reg(chip, pin, reg);
+}
+
+static int thunderbay_pinconf_get_pullup(struct thunderbay_pinctrl *tpc,
+					 unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	*config = ((reg & THB_GPIO_PULL_UP_MASK) == 0) ? 1 : 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_set_opendrain(struct thunderbay_pinctrl *tpc,
+					    unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	if (config > 0)
+		reg &= ~THB_GPIO_PULL_ENABLE_MASK;
+	else
+		reg |= THB_GPIO_PULL_ENABLE_MASK;
+
+	return thb_gpio_write_reg(chip, pin, reg);
+}
+
+static int thunderbay_pinconf_get_opendrain(struct thunderbay_pinctrl *tpc,
+					    unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	*config = ((reg & THB_GPIO_PULL_ENABLE_MASK) == 0) ? 1 : 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_set_pushpull(struct thunderbay_pinctrl *tpc,
+					   unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	if (config > 0)
+		reg |= THB_GPIO_PULL_ENABLE_MASK;
+	else
+		reg &= ~THB_GPIO_PULL_ENABLE_MASK;
+
+	return thb_gpio_write_reg(chip, pin, reg);
+}
+
+static int thunderbay_pinconf_get_pushpull(struct thunderbay_pinctrl *tpc,
+					   unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	*config = ((reg & THB_GPIO_PULL_ENABLE_MASK) > 0) ? 1 : 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_set_drivestrength(struct thunderbay_pinctrl *tpc,
+						unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+
+	/* Drive Strength: 0x0 to 0xF */
+	if (config <= 0xF) {
+		reg = (reg | config);
+		return thb_gpio_write_reg(chip, pin, reg);
+	}
+
+	return -EINVAL;
+}
+
+static int thunderbay_pinconf_get_drivestrength(struct thunderbay_pinctrl *tpc,
+						unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	reg = (reg & THB_GPIO_DRIVE_STRENGTH_MASK) >> 16;
+	*config = (reg > 0) ? reg : 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_set_schmitt(struct thunderbay_pinctrl *tpc,
+					  unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	if (config > 0)
+		reg |= THB_GPIO_SCHMITT_TRIGGER_MASK;
+	else
+		reg &= ~THB_GPIO_SCHMITT_TRIGGER_MASK;
+
+	return thb_gpio_write_reg(chip, pin, reg);
+}
+
+static int thunderbay_pinconf_get_schmitt(struct thunderbay_pinctrl *tpc,
+					  unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	*config = ((reg & THB_GPIO_SCHMITT_TRIGGER_MASK) > 0) ? 1 : 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_set_slew_rate(struct thunderbay_pinctrl *tpc,
+					    unsigned int pin, u32 config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg = 0;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	if (config > 0)
+		reg |= THB_GPIO_SLEW_RATE_MASK;
+	else
+		reg &= ~THB_GPIO_SLEW_RATE_MASK;
+
+	return thb_gpio_write_reg(chip, pin, reg);
+}
+
+static int thunderbay_pinconf_get_slew_rate(struct thunderbay_pinctrl *tpc,
+					    unsigned int pin, u32 *config)
+{
+	struct gpio_chip *chip = &tpc->chip;
+	u32 reg;
+
+	reg = thb_gpio_read_reg(chip, pin);
+	*config = ((reg & THB_GPIO_SLEW_RATE_MASK) > 0) ? 1 : 0;
+
+	return 0;
+}
+
+static int thunderbay_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
+				  unsigned long *config)
+{
+	struct thunderbay_pinctrl *tpc = pinctrl_dev_get_drvdata(pctldev);
+	enum pin_config_param param = pinconf_to_config_param(*config);
+	u32 arg;
+	int ret;
+
+	switch (param) {
+	case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
+		ret = thunderbay_pinconf_get_tristate(tpc, pin, &arg);
+		break;
+
+	case PIN_CONFIG_BIAS_PULL_DOWN:
+		ret = thunderbay_pinconf_get_pulldown(tpc, pin, &arg);
+		break;
+
+	case PIN_CONFIG_BIAS_PULL_UP:
+		ret = thunderbay_pinconf_get_pullup(tpc, pin, &arg);
+		break;
+
+	case PIN_CONFIG_DRIVE_OPEN_DRAIN:
+		ret = thunderbay_pinconf_get_opendrain(tpc, pin, &arg);
+		break;
+
+	case PIN_CONFIG_DRIVE_PUSH_PULL:
+		ret = thunderbay_pinconf_get_pushpull(tpc, pin, &arg);
+		break;
+
+	case PIN_CONFIG_DRIVE_STRENGTH:
+		ret = thunderbay_pinconf_get_drivestrength(tpc, pin, &arg);
+		break;
+
+	case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+		ret = thunderbay_pinconf_get_schmitt(tpc, pin, &arg);
+		break;
+
+	case PIN_CONFIG_SLEW_RATE:
+		ret = thunderbay_pinconf_get_slew_rate(tpc, pin, &arg);
+		break;
+
+	default:
+		return -ENOTSUPP;
+	}
+
+	*config = pinconf_to_config_packed(param, arg);
+
+	return ret;
+}
+
+static int thunderbay_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
+				  unsigned long *configs, unsigned int num_configs)
+{
+	struct thunderbay_pinctrl *tpc = pinctrl_dev_get_drvdata(pctldev);
+	enum pin_config_param param;
+	unsigned int pinconf;
+	int ret = 0;
+	u32 arg;
+
+	for (pinconf = 0; pinconf < num_configs; pinconf++) {
+		param = pinconf_to_config_param(configs[pinconf]);
+		arg = pinconf_to_config_argument(configs[pinconf]);
+
+		switch (param) {
+		case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
+			ret = thunderbay_pinconf_set_tristate(tpc, pin, arg);
+			break;
+
+		case PIN_CONFIG_BIAS_PULL_DOWN:
+			ret = thunderbay_pinconf_set_pulldown(tpc, pin, arg);
+			break;
+
+		case PIN_CONFIG_BIAS_PULL_UP:
+			ret = thunderbay_pinconf_set_pullup(tpc, pin, arg);
+			break;
+
+		case PIN_CONFIG_DRIVE_OPEN_DRAIN:
+			ret = thunderbay_pinconf_set_opendrain(tpc, pin, arg);
+			break;
+
+		case PIN_CONFIG_DRIVE_PUSH_PULL:
+			ret = thunderbay_pinconf_set_pushpull(tpc, pin, arg);
+			break;
+
+		case PIN_CONFIG_DRIVE_STRENGTH:
+			ret = thunderbay_pinconf_set_drivestrength(tpc, pin, arg);
+			break;
+
+		case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
+			ret = thunderbay_pinconf_set_schmitt(tpc, pin, arg);
+			break;
+
+		case PIN_CONFIG_SLEW_RATE:
+			ret = thunderbay_pinconf_set_slew_rate(tpc, pin, arg);
+			break;
+
+		default:
+			return -ENOTSUPP;
+		}
+	}
+	return ret;
+}
+
+static const struct pinctrl_ops thunderbay_pctlops = {
+	.get_groups_count = pinctrl_generic_get_group_count,
+	.get_group_name   = pinctrl_generic_get_group_name,
+	.get_group_pins   = pinctrl_generic_get_group_pins,
+	.dt_node_to_map   = pinconf_generic_dt_node_to_map_all,
+	.dt_free_map	  = pinconf_generic_dt_free_map,
+};
+
+static const struct pinmux_ops thunderbay_pmxops = {
+	.get_functions_count	= pinmux_generic_get_function_count,
+	.get_function_name	= pinmux_generic_get_function_name,
+	.get_function_groups	= pinmux_generic_get_function_groups,
+	.set_mux		= thb_pinctrl_set_mux,
+	.gpio_request_enable	= thunderbay_request_gpio,
+	.gpio_disable_free	= thunderbay_free_gpio,
+};
+
+static const struct pinconf_ops thunderbay_confops = {
+	.is_generic		= true,
+	.pin_config_get		= thunderbay_pinconf_get,
+	.pin_config_set		= thunderbay_pinconf_set,
+};
+
+static struct pinctrl_desc thunderbay_pinctrl_desc = {
+	.name		= "thunderbay-pinmux",
+	.pctlops	= &thunderbay_pctlops,
+	.pmxops		= &thunderbay_pmxops,
+	.confops	= &thunderbay_confops,
+	.owner		= THIS_MODULE,
+};
+
+static const struct of_device_id thunderbay_pinctrl_match[] = {
+	{
+		.compatible = "intel,thunderbay-pinctrl",
+		.data = &thunderbay_data
+	},
+	{}
+};
+
+static int thunderbay_pinctrl_probe(struct platform_device *pdev)
+{
+	const struct of_device_id *of_id;
+	struct device *dev = &pdev->dev;
+	struct thunderbay_pinctrl *tpc;
+	int ret;
+
+	of_id = of_match_node(thunderbay_pinctrl_match, pdev->dev.of_node);
+	if (!of_id)
+		return -ENODEV;
+
+	tpc = devm_kzalloc(dev, sizeof(*tpc), GFP_KERNEL);
+	if (!tpc)
+		return -ENOMEM;
+
+	tpc->dev = dev;
+	tpc->soc = of_id->data;
+
+	tpc->base0 = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(tpc->base0))
+		return PTR_ERR(tpc->base0);
+
+	thunderbay_pinctrl_desc.pins = tpc->soc->pins;
+	thunderbay_pinctrl_desc.npins = tpc->soc->npins;
+
+	/* Register pinctrl */
+	tpc->pctrl = devm_pinctrl_register(dev, &thunderbay_pinctrl_desc, tpc);
+	if (IS_ERR(tpc->pctrl))
+		return PTR_ERR(tpc->pctrl);
+
+	/* Setup pinmux groups */
+	ret = thunderbay_build_groups(tpc);
+	if (ret)
+		return ret;
+
+	/* Setup pinmux functions */
+	ret = thunderbay_build_functions(tpc);
+	if (ret)
+		return ret;
+
+	/* Setup GPIO */
+	ret = thunderbay_gpiochip_probe(tpc);
+	if (ret < 0)
+		return ret;
+
+	platform_set_drvdata(pdev, tpc);
+
+	return 0;
+}
+
+static int thunderbay_pinctrl_remove(struct platform_device *pdev)
+{
+	/* thunderbay_pinctrl_remove function to clear the assigned memory */
+	return 0;
+}
+
+static struct platform_driver thunderbay_pinctrl_driver = {
+	.driver = {
+		.name = "thunderbay-pinctrl",
+		.of_match_table = thunderbay_pinctrl_match,
+	},
+	.probe = thunderbay_pinctrl_probe,
+	.remove = thunderbay_pinctrl_remove,
+};
+
+builtin_platform_driver(thunderbay_pinctrl_driver);
+
+MODULE_AUTHOR("Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>");
+MODULE_AUTHOR("Kiran Kumar S <kiran.kumar1.s@intel.com>");
+MODULE_DESCRIPTION("Intel Thunder Bay Pinctrl/GPIO Driver");
+MODULE_LICENSE("GPL v2");