pinctrl/abx500: add AB8505 sub-driver

Add AB8505 sub driver to the ABx5x family.

As the pin controller (also the ABx500 controllers) is an
inherent part of the SoC and will prevent boot if not
available, select this from the Ux500 SoC Kconfig.
Acked-by: NOlof Johansson <olof@lixom.net>
Signed-off-by: NPatrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

arch/arm/mach-ux500/Kconfig

@@ -21,6 +21,7 @@ config UX500_SOC_DB8500
 	select PINCTRL_DB8500
 	select PINCTRL_DB8540
 	select PINCTRL_AB8500
+	select PINCTRL_AB8505
 	select REGULATOR
 	select REGULATOR_DB8500_PRCMU
 

drivers/pinctrl/Kconfig

@@ -37,6 +37,10 @@ config PINCTRL_AB8500
 	bool "AB8500 pin controller driver"
 	depends on PINCTRL_ABX500 && ARCH_U8500
 
+config PINCTRL_AB8505
+	bool "AB8505 pin controller driver"
+	depends on PINCTRL_ABX500 && ARCH_U8500
+
 config PINCTRL_AT91
 	bool "AT91 pinctrl driver"
 	depends on OF

drivers/pinctrl/Makefile

@@ -11,6 +11,7 @@ endif
 obj-$(CONFIG_GENERIC_PINCONF)	+= pinconf-generic.o
 obj-$(CONFIG_PINCTRL_ABX500)	+= pinctrl-abx500.o
 obj-$(CONFIG_PINCTRL_AB8500)	+= pinctrl-ab8500.o
+obj-$(CONFIG_PINCTRL_AB8505)	+= pinctrl-ab8505.o
 obj-$(CONFIG_PINCTRL_AT91)	+= pinctrl-at91.o
 obj-$(CONFIG_PINCTRL_BCM2835)	+= pinctrl-bcm2835.o
 obj-$(CONFIG_PINCTRL_IMX)	+= pinctrl-imx.o

drivers/pinctrl/pinctrl-ab8505.c

+/*
+ * Copyright (C) ST-Ericsson SA 2012
+ *
+ * Author: Patrice Chotard <patrice.chotard@stericsson.com> for ST-Ericsson.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <linux/pinctrl/pinctrl.h>
+#include <linux/mfd/abx500/ab8500.h>
+#include "pinctrl-abx500.h"
+
+/* All the pins that can be used for GPIO and some other functions */
+#define ABX500_GPIO(offset)	(offset)
+
+#define AB8505_PIN_N4		ABX500_GPIO(1)
+#define AB8505_PIN_R5		ABX500_GPIO(2)
+#define AB8505_PIN_P5		ABX500_GPIO(3)
+/* hole */
+#define AB8505_PIN_B16		ABX500_GPIO(10)
+#define AB8505_PIN_B17		ABX500_GPIO(11)
+/* hole */
+#define AB8505_PIN_D17		ABX500_GPIO(13)
+#define AB8505_PIN_C16		ABX500_GPIO(14)
+/* hole */
+#define AB8505_PIN_P2		ABX500_GPIO(17)
+#define AB8505_PIN_N3		ABX500_GPIO(18)
+#define AB8505_PIN_T1		ABX500_GPIO(19)
+#define AB8505_PIN_P3		ABX500_GPIO(20)
+/* hole */
+#define AB8505_PIN_H14		ABX500_GPIO(34)
+/* hole */
+#define AB8505_PIN_J15		ABX500_GPIO(40)
+#define AB8505_PIN_J14		ABX500_GPIO(41)
+/* hole */
+#define AB8505_PIN_L4		ABX500_GPIO(50)
+/* hole */
+#define AB8505_PIN_D16		ABX500_GPIO(52)
+#define AB8505_PIN_D15		ABX500_GPIO(53)
+
+/* indicates the higher GPIO number */
+#define AB8505_GPIO_MAX_NUMBER	53
+
+/*
+ * The names of the pins are denoted by GPIO number and ball name, even
+ * though they can be used for other things than GPIO, this is the first
+ * column in the table of the data sheet and often used on schematics and
+ * such.
+ */
+static const struct pinctrl_pin_desc ab8505_pins[] = {
+	PINCTRL_PIN(AB8505_PIN_N4, "GPIO1_N4"),
+	PINCTRL_PIN(AB8505_PIN_R5, "GPIO2_R5"),
+	PINCTRL_PIN(AB8505_PIN_P5, "GPIO3_P5"),
+/* hole */
+	PINCTRL_PIN(AB8505_PIN_B16, "GPIO10_B16"),
+	PINCTRL_PIN(AB8505_PIN_B17, "GPIO11_B17"),
+/* hole */
+	PINCTRL_PIN(AB8505_PIN_D17, "GPIO13_D17"),
+	PINCTRL_PIN(AB8505_PIN_C16, "GPIO14_C16"),
+/* hole */
+	PINCTRL_PIN(AB8505_PIN_P2, "GPIO17_P2"),
+	PINCTRL_PIN(AB8505_PIN_N3, "GPIO18_N3"),
+	PINCTRL_PIN(AB8505_PIN_T1, "GPIO19_T1"),
+	PINCTRL_PIN(AB8505_PIN_P3, "GPIO20_P3"),
+/* hole */
+	PINCTRL_PIN(AB8505_PIN_H14, "GPIO34_H14"),
+/* hole */
+	PINCTRL_PIN(AB8505_PIN_J15, "GPIO40_J15"),
+	PINCTRL_PIN(AB8505_PIN_J14, "GPIO41_J14"),
+/* hole */
+	PINCTRL_PIN(AB8505_PIN_L4, "GPIO50_L4"),
+/* hole */
+	PINCTRL_PIN(AB8505_PIN_D16, "GPIO52_D16"),
+	PINCTRL_PIN(AB8505_PIN_D15, "GPIO53_D15"),
+};
+
+/*
+ * Maps local GPIO offsets to local pin numbers
+ */
+static const struct abx500_pinrange ab8505_pinranges[] = {
+	ABX500_PINRANGE(1, 3, ABX500_ALT_A),
+	ABX500_PINRANGE(10, 2, ABX500_DEFAULT),
+	ABX500_PINRANGE(13, 1, ABX500_DEFAULT),
+	ABX500_PINRANGE(14, 1, ABX500_ALT_A),
+	ABX500_PINRANGE(17, 4, ABX500_ALT_A),
+	ABX500_PINRANGE(34, 1, ABX500_ALT_A),
+	ABX500_PINRANGE(40, 2, ABX500_ALT_A),
+	ABX500_PINRANGE(50, 1, ABX500_DEFAULT),
+	ABX500_PINRANGE(52, 2, ABX500_ALT_A),
+};
+
+/*
+ * Read the pin group names like this:
+ * sysclkreq2_d_1 = first groups of pins for sysclkreq2 on default function
+ *
+ * The groups are arranged as sets per altfunction column, so we can
+ * mux in one group at a time by selecting the same altfunction for them
+ * all. When functions require pins on different altfunctions, you need
+ * to combine several groups.
+ */
+
+/* default column */
+static const unsigned sysclkreq2_d_1_pins[] = { AB8505_PIN_N4 };
+static const unsigned sysclkreq3_d_1_pins[] = { AB8505_PIN_R5 };
+static const unsigned sysclkreq4_d_1_pins[] = { AB8505_PIN_P5 };
+static const unsigned gpio10_d_1_pins[] = { AB8505_PIN_B16 };
+static const unsigned gpio11_d_1_pins[] = { AB8505_PIN_B17 };
+static const unsigned gpio13_d_1_pins[] = { AB8505_PIN_D17 };
+static const unsigned pwmout1_d_1_pins[] = { AB8505_PIN_C16 };
+/* audio data interface 2*/
+static const unsigned adi2_d_1_pins[] = { AB8505_PIN_P2, AB8505_PIN_N3,
+					AB8505_PIN_T1, AB8505_PIN_P3 };
+static const unsigned extcpena_d_1_pins[] = { AB8505_PIN_H14 };
+/* modem SDA/SCL */
+static const unsigned modsclsda_d_1_pins[] = { AB8505_PIN_J15, AB8505_PIN_J14 };
+static const unsigned gpio50_d_1_pins[] = { AB8505_PIN_L4 };
+static const unsigned resethw_d_1_pins[] = { AB8505_PIN_D16 };
+static const unsigned service_d_1_pins[] = { AB8505_PIN_D15 };
+
+/* Altfunction A column */
+static const unsigned gpio1_a_1_pins[] = { AB8505_PIN_N4 };
+static const unsigned gpio2_a_1_pins[] = { AB8505_PIN_R5 };
+static const unsigned gpio3_a_1_pins[] = { AB8505_PIN_P5 };
+static const unsigned hiqclkena_a_1_pins[] = { AB8505_PIN_B16 };
+static const unsigned pdmclk_a_1_pins[] = { AB8505_PIN_B17 };
+static const unsigned uarttxdata_a_1_pins[] = { AB8505_PIN_D17 };
+static const unsigned gpio14_a_1_pins[] = { AB8505_PIN_C16 };
+static const unsigned gpio17_a_1_pins[] = { AB8505_PIN_P2 };
+static const unsigned gpio18_a_1_pins[] = { AB8505_PIN_N3 };
+static const unsigned gpio19_a_1_pins[] = { AB8505_PIN_T1 };
+static const unsigned gpio20_a_1_pins[] = { AB8505_PIN_P3 };
+static const unsigned gpio34_a_1_pins[] = { AB8505_PIN_H14 };
+static const unsigned gpio40_a_1_pins[] = { AB8505_PIN_J15 };
+static const unsigned gpio41_a_1_pins[] = { AB8505_PIN_J14 };
+static const unsigned uartrxdata_a_1_pins[] = { AB8505_PIN_J14 };
+static const unsigned gpio50_a_1_pins[] = { AB8505_PIN_L4 };
+static const unsigned gpio52_a_1_pins[] = { AB8505_PIN_D16 };
+static const unsigned gpio53_a_1_pins[] = { AB8505_PIN_D15 };
+
+/* Altfunction B colum */
+static const unsigned pdmdata_b_1_pins[] = { AB8505_PIN_B16 };
+static const unsigned extvibrapwm1_b_1_pins[] = { AB8505_PIN_D17 };
+static const unsigned extvibrapwm2_b_1_pins[] = { AB8505_PIN_L4 };
+
+/* Altfunction C column */
+static const unsigned usbvdat_c_1_pins[] = { AB8505_PIN_D17 };
+
+#define AB8505_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins,		\
+			.npins = ARRAY_SIZE(a##_pins), .altsetting = b }
+
+static const struct abx500_pingroup ab8505_groups[] = {
+	AB8505_PIN_GROUP(sysclkreq2_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(sysclkreq3_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(sysclkreq4_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(gpio10_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(gpio11_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(gpio13_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(pwmout1_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(adi2_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(extcpena_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(modsclsda_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(gpio50_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(resethw_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(service_d_1, ABX500_DEFAULT),
+	AB8505_PIN_GROUP(gpio1_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio2_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio3_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(hiqclkena_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(pdmclk_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(uarttxdata_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio14_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio17_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio18_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio19_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio20_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio34_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio40_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio41_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(uartrxdata_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio52_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(gpio53_a_1, ABX500_ALT_A),
+	AB8505_PIN_GROUP(pdmdata_b_1, ABX500_ALT_B),
+	AB8505_PIN_GROUP(extvibrapwm1_b_1, ABX500_ALT_B),
+	AB8505_PIN_GROUP(extvibrapwm2_b_1, ABX500_ALT_B),
+	AB8505_PIN_GROUP(usbvdat_c_1, ABX500_ALT_C),
+};
+
+/* We use this macro to define the groups applicable to a function */
+#define AB8505_FUNC_GROUPS(a, b...)	   \
+static const char * const a##_groups[] = { b };
+
+AB8505_FUNC_GROUPS(sysclkreq, "sysclkreq2_d_1", "sysclkreq3_d_1",
+		"sysclkreq4_d_1");
+AB8505_FUNC_GROUPS(gpio, "gpio1_a_1", "gpio2_a_1", "gpio3_a_1",
+		"gpio10_d_1", "gpio11_d_1", "gpio13_d_1", "gpio14_a_1",
+		"gpio17_a_1", "gpio18_a_1", "gpio19_a_1", "gpio20_a_1",
+		"gpio34_a_1", "gpio40_a_1", "gpio41_a_1", "gpio50_d_1",
+		"gpio52_a_1", "gpio53_a_1");
+AB8505_FUNC_GROUPS(pwmout, "pwmout1_d_1");
+AB8505_FUNC_GROUPS(adi2, "adi2_d_1");
+AB8505_FUNC_GROUPS(extcpena, "extcpena_d_1");
+AB8505_FUNC_GROUPS(modsclsda, "modsclsda_d_1");
+AB8505_FUNC_GROUPS(resethw, "resethw_d_1");
+AB8505_FUNC_GROUPS(service, "service_d_1");
+AB8505_FUNC_GROUPS(hiqclkena, "hiqclkena_a_1");
+AB8505_FUNC_GROUPS(pdm, "pdmclk_a_1", "pdmdata_b_1");
+AB8505_FUNC_GROUPS(uartdata, "uarttxdata_a_1", "uartrxdata_a_1");
+AB8505_FUNC_GROUPS(extvibra, "extvibrapwm1_b_1", "extvibrapwm2_b_1");
+AB8505_FUNC_GROUPS(usbvdat, "usbvdat_c_1");
+
+#define FUNCTION(fname)					\
+	{						\
+		.name = #fname,				\
+		.groups = fname##_groups,		\
+		.ngroups = ARRAY_SIZE(fname##_groups),	\
+	}
+
+static const struct abx500_function ab8505_functions[] = {
+	FUNCTION(sysclkreq),
+	FUNCTION(gpio),
+	FUNCTION(pwmout),
+	FUNCTION(adi2),
+	FUNCTION(extcpena),
+	FUNCTION(modsclsda),
+	FUNCTION(resethw),
+	FUNCTION(service),
+	FUNCTION(hiqclkena),
+	FUNCTION(pdm),
+	FUNCTION(uartdata),
+	FUNCTION(extvibra),
+	FUNCTION(extvibra),
+	FUNCTION(usbvdat),
+};
+
+/*
+ * this table translates what's is in the AB8505 specification regarding the
+ * balls alternate functions (as for DB, default, ALT_A, ALT_B and ALT_C).
+ * ALTERNATE_FUNCTIONS(GPIO_NUMBER, GPIOSEL bit, ALTERNATFUNC bit1,
+ * ALTERNATEFUNC bit2, ALTA val, ALTB val, ALTC val),
+ *
+ * example :
+ *
+ *	ALTERNATE_FUNCTIONS(13,     4,      3,      4, 1, 0, 2),
+ *	means that pin AB8505_PIN_D18 (pin 13) supports 4 mux (default/ALT_A,
+ *	ALT_B and ALT_C), so GPIOSEL and ALTERNATFUNC registers are used to
+ *	select the mux. ALTA, ALTB and ALTC val indicates values to write in
+ *	ALTERNATFUNC register. We need to specifies these values as SOC
+ *	designers didn't apply the same logic on how to select mux in the
+ *	ABx500 family.
+ *
+ *	As this pins supports at least ALT_B mux, default mux is
+ *	selected by writing 1 in GPIOSEL bit :
+ *
+ *		| GPIOSEL bit=4 | alternatfunc bit2=4 | alternatfunc bit1=3
+ *	default	|       1       |          0          |          0
+ *	alt_A	|       0       |          0          |          1
+ *	alt_B	|       0       |          0          |          0
+ *	alt_C	|       0       |          1          |          0
+ *
+ *	ALTERNATE_FUNCTIONS(1,      0, UNUSED, UNUSED),
+ *	means that pin AB9540_PIN_R4 (pin 1) supports 2 mux, so only GPIOSEL
+ *	register is used to select the mux. As this pins doesn't support at
+ *	least ALT_B mux, default mux is by writing 0 in GPIOSEL bit :
+ *
+ *		| GPIOSEL bit=0 | alternatfunc bit2=  | alternatfunc bit1=
+ *	default	|       0       |          0          |          0
+ *	alt_A	|       1       |          0          |          0
+ */
+
+struct alternate_functions ab8505_alternate_functions[AB8505_GPIO_MAX_NUMBER + 1] = {
+	ALTERNATE_FUNCTIONS(0, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO0 */
+	ALTERNATE_FUNCTIONS(1,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO1, altA controlled by bit 0 */
+	ALTERNATE_FUNCTIONS(2,      1, UNUSED, UNUSED, 0, 0, 0), /* GPIO2, altA controlled by bit 1 */
+	ALTERNATE_FUNCTIONS(3,      2, UNUSED, UNUSED, 0, 0, 0), /* GPIO3, altA controlled by bit 2*/
+	ALTERNATE_FUNCTIONS(4, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO4, bit 3 reserved */
+	ALTERNATE_FUNCTIONS(5, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO5, bit 4 reserved */
+	ALTERNATE_FUNCTIONS(6, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO6, bit 5 reserved */
+	ALTERNATE_FUNCTIONS(7, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO7, bit 6 reserved */
+	ALTERNATE_FUNCTIONS(8, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO8, bit 7 reserved */
+
+	ALTERNATE_FUNCTIONS(9, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO9, bit 0 reserved */
+	ALTERNATE_FUNCTIONS(10,      1,      0, UNUSED, 1, 0, 0), /* GPIO10, altA and altB controlled by bit 0 */
+	ALTERNATE_FUNCTIONS(11,      2, UNUSED, UNUSED, 0, 0, 0), /* GPIO11, altA controlled by bit 2 */
+	ALTERNATE_FUNCTIONS(12, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO12, bit3 reseved */
+	ALTERNATE_FUNCTIONS(13,      4,      3,      4, 1, 0, 2), /* GPIO13, altA altB and altC controlled by bit 3 and 4 */
+	ALTERNATE_FUNCTIONS(14,      5, UNUSED, UNUSED, 0, 0, 0), /* GPIO14, altA controlled by bit 5 */
+	ALTERNATE_FUNCTIONS(15, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO15, bit 6 reserved */
+	ALTERNATE_FUNCTIONS(16, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO15, bit 7 reserved  */
+	/*
+	 * pins 17 to 20 are special case, only bit 0 is used to select
+	 * alternate function for these 4 pins.
+	 * bits 1 to 3 are reserved
+	 */
+	ALTERNATE_FUNCTIONS(17,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO17, altA controlled by bit 0 */
+	ALTERNATE_FUNCTIONS(18,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO18, altA controlled by bit 0 */
+	ALTERNATE_FUNCTIONS(19,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO19, altA controlled by bit 0 */
+	ALTERNATE_FUNCTIONS(20,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO20, altA controlled by bit 0 */
+	ALTERNATE_FUNCTIONS(21, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO21, bit 4 reserved */
+	ALTERNATE_FUNCTIONS(22, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO22, bit 5 reserved */
+	ALTERNATE_FUNCTIONS(23, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO23, bit 6 reserved */
+	ALTERNATE_FUNCTIONS(24, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO24, bit 7 reserved */
+
+	ALTERNATE_FUNCTIONS(25, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO25, bit 0 reserved */
+	ALTERNATE_FUNCTIONS(26, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO26, bit 1 reserved */
+	ALTERNATE_FUNCTIONS(27, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO27, bit 2 reserved */
+	ALTERNATE_FUNCTIONS(28, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO28, bit 3 reserved */
+	ALTERNATE_FUNCTIONS(29, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO29, bit 4 reserved */
+	ALTERNATE_FUNCTIONS(30, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO30, bit 5 reserved */
+	ALTERNATE_FUNCTIONS(31, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO31, bit 6 reserved */
+	ALTERNATE_FUNCTIONS(32, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO32, bit 7 reserved */
+
+	ALTERNATE_FUNCTIONS(33, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO33, bit 0 reserved */
+	ALTERNATE_FUNCTIONS(34,      1, UNUSED, UNUSED, 0, 0, 0), /* GPIO34, altA controlled by bit 1 */
+	ALTERNATE_FUNCTIONS(35, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO35, bit 2 reserved */
+	ALTERNATE_FUNCTIONS(36, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO36, bit 2 reserved */
+	ALTERNATE_FUNCTIONS(37, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO37, bit 2 reserved */
+	ALTERNATE_FUNCTIONS(38, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO38, bit 2 reserved */
+	ALTERNATE_FUNCTIONS(39, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO39, bit 2 reserved */
+	ALTERNATE_FUNCTIONS(40,      7, UNUSED, UNUSED, 0, 0, 0), /* GPIO40, altA controlled by bit 7*/
+
+	ALTERNATE_FUNCTIONS(41,      0, UNUSED, UNUSED, 0, 0, 0), /* GPIO41, altA controlled by bit 0 */
+	ALTERNATE_FUNCTIONS(42, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO42, bit 1 reserved */
+	ALTERNATE_FUNCTIONS(43, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO43, bit 2 reserved */
+	ALTERNATE_FUNCTIONS(44, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO44, bit 3 reserved */
+	ALTERNATE_FUNCTIONS(45, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO45, bit 4 reserved */
+	ALTERNATE_FUNCTIONS(46, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO46, bit 5 reserved */
+	ALTERNATE_FUNCTIONS(47, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO47, bit 6 reserved */
+	ALTERNATE_FUNCTIONS(48, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO48, bit 7 reserved */
+
+	ALTERNATE_FUNCTIONS(49, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO49, bit 0 reserved */
+	ALTERNATE_FUNCTIONS(50,	     1,      2, UNUSED, 1, 0, 0), /* GPIO50, altA controlled by bit 1 */
+	ALTERNATE_FUNCTIONS(51, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO49, bit 0 reserved */
+	ALTERNATE_FUNCTIONS(52,	     3, UNUSED, UNUSED, 0, 0, 0), /* GPIO52, altA controlled by bit 3 */
+	ALTERNATE_FUNCTIONS(53,	     4, UNUSED, UNUSED, 0, 0, 0), /* GPIO53, altA controlled by bit 4 */
+};
+
+/*
+ * For AB8505 Only some GPIOs are interrupt capable, and they are
+ * organized in discontiguous clusters:
+ *
+ *	GPIO10 to GPIO11
+ *	GPIO13
+ *	GPIO40 and GPIO41
+ *	GPIO50
+ *	GPIO52 to GPIO53
+ */
+struct abx500_gpio_irq_cluster ab8505_gpio_irq_cluster[] = {
+	GPIO_IRQ_CLUSTER(9, 10, 0), /* GPIO numbers start from 1 */
+	GPIO_IRQ_CLUSTER(12, 12, 0),
+	GPIO_IRQ_CLUSTER(39, 40, 0),
+	GPIO_IRQ_CLUSTER(49, 49, 0),
+	GPIO_IRQ_CLUSTER(51, 52, 0),
+};
+
+static struct abx500_pinctrl_soc_data ab8505_soc = {
+	.gpio_ranges = ab8505_pinranges,
+	.gpio_num_ranges = ARRAY_SIZE(ab8505_pinranges),
+	.pins = ab8505_pins,
+	.npins = ARRAY_SIZE(ab8505_pins),
+	.functions = ab8505_functions,
+	.nfunctions = ARRAY_SIZE(ab8505_functions),
+	.groups = ab8505_groups,
+	.ngroups = ARRAY_SIZE(ab8505_groups),
+	.alternate_functions = ab8505_alternate_functions,
+	.gpio_irq_cluster = ab8505_gpio_irq_cluster,
+	.ngpio_irq_cluster = ARRAY_SIZE(ab8505_gpio_irq_cluster),
+	.irq_gpio_rising_offset = AB8500_INT_GPIO6R,
+	.irq_gpio_falling_offset = AB8500_INT_GPIO6F,
+	.irq_gpio_factor = 1,
+};
+
+void
+abx500_pinctrl_ab8505_init(struct abx500_pinctrl_soc_data **soc)
+{
+	*soc = &ab8505_soc;
+}

drivers/pinctrl/pinctrl-abx500.c

@@ -1119,6 +1119,9 @@ static int abx500_gpio_probe(struct platform_device *pdev)
 	case PINCTRL_AB8500:
 		abx500_pinctrl_ab8500_init(&pct->soc);
 		break;
+	case PINCTRL_AB8505:
+		abx500_pinctrl_ab8505_init(&pct->soc);
+		break;
 	default:
 		dev_err(&pdev->dev, "Unsupported pinctrl sub driver (%d)\n",
 				(int) platid->driver_data);

drivers/pinctrl/pinctrl-abx500.h

@@ -190,4 +190,17 @@ abx500_pinctrl_ab8500_init(struct abx500_pinctrl_soc_data **soc)
 
 #endif
 
+#ifdef CONFIG_PINCTRL_AB8505
+
+void abx500_pinctrl_ab8505_init(struct abx500_pinctrl_soc_data **soc);
+
+#else
+
+static inline void
+abx500_pinctrl_ab8505_init(struct abx500_pinctrl_soc_data **soc)
+{
+}
+
+#endif
+
 #endif /* PINCTRL_PINCTRL_ABx500_H */