pinctrl: Add SPEAr3xx pinctrl drivers

This adds pinctrl driver for SPEAr3xx family. SPEAr3xx family supports three
families: SPEAr300, SPEAr310 and SPEAr320.

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>

7 files changed, 5311 insertions, 0 deletions

diff --git a/drivers/pinctrl/spear/Kconfig b/drivers/pinctrl/spear/Kconfig
index 47a0e295492..6a2596b4f35 100644
--- a/drivers/pinctrl/spear/Kconfig
+++ b/drivers/pinctrl/spear/Kconfig
@@ -11,4 +11,24 @@ config PINCTRL_SPEAR
 	help
 	  This enables pin control drivers for SPEAr Platform
 
+config PINCTRL_SPEAR3XX
+	bool
+	depends on ARCH_SPEAR3XX
+	select PINCTRL_SPEAR
+
+config PINCTRL_SPEAR300
+	bool "ST Microelectronics SPEAr300 SoC pin controller driver"
+	depends on MACH_SPEAR300
+	select PINCTRL_SPEAR3XX
+
+config PINCTRL_SPEAR310
+	bool "ST Microelectronics SPEAr310 SoC pin controller driver"
+	depends on MACH_SPEAR310
+	select PINCTRL_SPEAR3XX
+
+config PINCTRL_SPEAR320
+	bool "ST Microelectronics SPEAr320 SoC pin controller driver"
+	depends on MACH_SPEAR320
+	select PINCTRL_SPEAR3XX
+
 endif
diff --git a/drivers/pinctrl/spear/Makefile b/drivers/pinctrl/spear/Makefile
index 69c1a51e19d..15dcb85da22 100644
--- a/drivers/pinctrl/spear/Makefile
+++ b/drivers/pinctrl/spear/Makefile
@@ -1,3 +1,7 @@
 # SPEAr pinmux support
 
 obj-$(CONFIG_PINCTRL_SPEAR)	+= pinctrl-spear.o
+obj-$(CONFIG_PINCTRL_SPEAR3XX)	+= pinctrl-spear3xx.o
+obj-$(CONFIG_PINCTRL_SPEAR300)	+= pinctrl-spear300.o
+obj-$(CONFIG_PINCTRL_SPEAR310)	+= pinctrl-spear310.o
+obj-$(CONFIG_PINCTRL_SPEAR320)	+= pinctrl-spear320.o
diff --git a/drivers/pinctrl/spear/pinctrl-spear300.c b/drivers/pinctrl/spear/pinctrl-spear300.c
new file mode 100644
index 00000000000..9c82a35e4e7
--- /dev/null
+++ b/drivers/pinctrl/spear/pinctrl-spear300.c
@@ -0,0 +1,708 @@
+/*
+ * Driver for the ST Microelectronics SPEAr300 pinmux
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include "pinctrl-spear3xx.h"
+
+#define DRIVER_NAME "spear300-pinmux"
+
+/* addresses */
+#define PMX_CONFIG_REG			0x00
+#define MODE_CONFIG_REG			0x04
+
+/* modes */
+#define NAND_MODE			(1 << 0)
+#define NOR_MODE			(1 << 1)
+#define PHOTO_FRAME_MODE		(1 << 2)
+#define LEND_IP_PHONE_MODE		(1 << 3)
+#define HEND_IP_PHONE_MODE		(1 << 4)
+#define LEND_WIFI_PHONE_MODE		(1 << 5)
+#define HEND_WIFI_PHONE_MODE		(1 << 6)
+#define ATA_PABX_WI2S_MODE		(1 << 7)
+#define ATA_PABX_I2S_MODE		(1 << 8)
+#define CAML_LCDW_MODE			(1 << 9)
+#define CAMU_LCD_MODE			(1 << 10)
+#define CAMU_WLCD_MODE			(1 << 11)
+#define CAML_LCD_MODE			(1 << 12)
+
+static struct spear_pmx_mode pmx_mode_nand = {
+	.name = "nand",
+	.mode = NAND_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x00,
+};
+
+static struct spear_pmx_mode pmx_mode_nor = {
+	.name = "nor",
+	.mode = NOR_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x01,
+};
+
+static struct spear_pmx_mode pmx_mode_photo_frame = {
+	.name = "photo frame mode",
+	.mode = PHOTO_FRAME_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x02,
+};
+
+static struct spear_pmx_mode pmx_mode_lend_ip_phone = {
+	.name = "lend ip phone mode",
+	.mode = LEND_IP_PHONE_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x03,
+};
+
+static struct spear_pmx_mode pmx_mode_hend_ip_phone = {
+	.name = "hend ip phone mode",
+	.mode = HEND_IP_PHONE_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x04,
+};
+
+static struct spear_pmx_mode pmx_mode_lend_wifi_phone = {
+	.name = "lend wifi phone mode",
+	.mode = LEND_WIFI_PHONE_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x05,
+};
+
+static struct spear_pmx_mode pmx_mode_hend_wifi_phone = {
+	.name = "hend wifi phone mode",
+	.mode = HEND_WIFI_PHONE_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x06,
+};
+
+static struct spear_pmx_mode pmx_mode_ata_pabx_wi2s = {
+	.name = "ata pabx wi2s mode",
+	.mode = ATA_PABX_WI2S_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x07,
+};
+
+static struct spear_pmx_mode pmx_mode_ata_pabx_i2s = {
+	.name = "ata pabx i2s mode",
+	.mode = ATA_PABX_I2S_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x08,
+};
+
+static struct spear_pmx_mode pmx_mode_caml_lcdw = {
+	.name = "caml lcdw mode",
+	.mode = CAML_LCDW_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x0C,
+};
+
+static struct spear_pmx_mode pmx_mode_camu_lcd = {
+	.name = "camu lcd mode",
+	.mode = CAMU_LCD_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x0D,
+};
+
+static struct spear_pmx_mode pmx_mode_camu_wlcd = {
+	.name = "camu wlcd mode",
+	.mode = CAMU_WLCD_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0xE,
+};
+
+static struct spear_pmx_mode pmx_mode_caml_lcd = {
+	.name = "caml lcd mode",
+	.mode = CAML_LCD_MODE,
+	.reg = MODE_CONFIG_REG,
+	.mask = 0x0000000F,
+	.val = 0x0F,
+};
+
+static struct spear_pmx_mode *spear300_pmx_modes[] = {
+	&pmx_mode_nand,
+	&pmx_mode_nor,
+	&pmx_mode_photo_frame,
+	&pmx_mode_lend_ip_phone,
+	&pmx_mode_hend_ip_phone,
+	&pmx_mode_lend_wifi_phone,
+	&pmx_mode_hend_wifi_phone,
+	&pmx_mode_ata_pabx_wi2s,
+	&pmx_mode_ata_pabx_i2s,
+	&pmx_mode_caml_lcdw,
+	&pmx_mode_camu_lcd,
+	&pmx_mode_camu_wlcd,
+	&pmx_mode_caml_lcd,
+};
+
+/* fsmc_2chips_pins */
+static const unsigned fsmc_2chips_pins[] = { 1, 97 };
+static struct spear_muxreg fsmc_2chips_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_FIRDA_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux fsmc_2chips_modemux[] = {
+	{
+		.modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
+			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
+		.muxregs = fsmc_2chips_muxreg,
+		.nmuxregs = ARRAY_SIZE(fsmc_2chips_muxreg),
+	},
+};
+
+static struct spear_pingroup fsmc_2chips_pingroup = {
+	.name = "fsmc_2chips_grp",
+	.pins = fsmc_2chips_pins,
+	.npins = ARRAY_SIZE(fsmc_2chips_pins),
+	.modemuxs = fsmc_2chips_modemux,
+	.nmodemuxs = ARRAY_SIZE(fsmc_2chips_modemux),
+};
+
+/* fsmc_4chips_pins */
+static const unsigned fsmc_4chips_pins[] = { 1, 2, 3, 97 };
+static struct spear_muxreg fsmc_4chips_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_FIRDA_MASK | PMX_UART0_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux fsmc_4chips_modemux[] = {
+	{
+		.modes = NAND_MODE | NOR_MODE | PHOTO_FRAME_MODE |
+			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE,
+		.muxregs = fsmc_4chips_muxreg,
+		.nmuxregs = ARRAY_SIZE(fsmc_4chips_muxreg),
+	},
+};
+
+static struct spear_pingroup fsmc_4chips_pingroup = {
+	.name = "fsmc_4chips_grp",
+	.pins = fsmc_4chips_pins,
+	.npins = ARRAY_SIZE(fsmc_4chips_pins),
+	.modemuxs = fsmc_4chips_modemux,
+	.nmodemuxs = ARRAY_SIZE(fsmc_4chips_modemux),
+};
+
+static const char *const fsmc_grps[] = { "fsmc_2chips_grp", "fsmc_4chips_grp"
+};
+static struct spear_function fsmc_function = {
+	.name = "fsmc",
+	.groups = fsmc_grps,
+	.ngroups = ARRAY_SIZE(fsmc_grps),
+};
+
+/* clcd_lcdmode_pins */
+static const unsigned clcd_lcdmode_pins[] = { 49, 50 };
+static struct spear_muxreg clcd_lcdmode_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux clcd_lcdmode_modemux[] = {
+	{
+		.modes = HEND_IP_PHONE_MODE | HEND_WIFI_PHONE_MODE |
+			CAMU_LCD_MODE | CAML_LCD_MODE,
+		.muxregs = clcd_lcdmode_muxreg,
+		.nmuxregs = ARRAY_SIZE(clcd_lcdmode_muxreg),
+	},
+};
+
+static struct spear_pingroup clcd_lcdmode_pingroup = {
+	.name = "clcd_lcdmode_grp",
+	.pins = clcd_lcdmode_pins,
+	.npins = ARRAY_SIZE(clcd_lcdmode_pins),
+	.modemuxs = clcd_lcdmode_modemux,
+	.nmodemuxs = ARRAY_SIZE(clcd_lcdmode_modemux),
+};
+
+/* clcd_pfmode_pins */
+static const unsigned clcd_pfmode_pins[] = { 47, 48, 49, 50 };
+static struct spear_muxreg clcd_pfmode_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_2_3_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux clcd_pfmode_modemux[] = {
+	{
+		.modes = PHOTO_FRAME_MODE,
+		.muxregs = clcd_pfmode_muxreg,
+		.nmuxregs = ARRAY_SIZE(clcd_pfmode_muxreg),
+	},
+};
+
+static struct spear_pingroup clcd_pfmode_pingroup = {
+	.name = "clcd_pfmode_grp",
+	.pins = clcd_pfmode_pins,
+	.npins = ARRAY_SIZE(clcd_pfmode_pins),
+	.modemuxs = clcd_pfmode_modemux,
+	.nmodemuxs = ARRAY_SIZE(clcd_pfmode_modemux),
+};
+
+static const char *const clcd_grps[] = { "clcd_lcdmode_grp", "clcd_pfmode_grp"
+};
+static struct spear_function clcd_function = {
+	.name = "clcd",
+	.groups = clcd_grps,
+	.ngroups = ARRAY_SIZE(clcd_grps),
+};
+
+/* tdm_pins */
+static const unsigned tdm_pins[] = { 34, 35, 36, 37, 38 };
+static struct spear_muxreg tdm_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_UART0_MODEM_MASK | PMX_SSP_CS_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux tdm_modemux[] = {
+	{
+		.modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
+			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE
+			| HEND_WIFI_PHONE_MODE | ATA_PABX_WI2S_MODE
+			| ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
+			| CAMU_WLCD_MODE | CAML_LCD_MODE,
+		.muxregs = tdm_muxreg,
+		.nmuxregs = ARRAY_SIZE(tdm_muxreg),
+	},
+};
+
+static struct spear_pingroup tdm_pingroup = {
+	.name = "tdm_grp",
+	.pins = tdm_pins,
+	.npins = ARRAY_SIZE(tdm_pins),
+	.modemuxs = tdm_modemux,
+	.nmodemuxs = ARRAY_SIZE(tdm_modemux),
+};
+
+static const char *const tdm_grps[] = { "tdm_grp" };
+static struct spear_function tdm_function = {
+	.name = "tdm",
+	.groups = tdm_grps,
+	.ngroups = ARRAY_SIZE(tdm_grps),
+};
+
+/* i2c_clk_pins */
+static const unsigned i2c_clk_pins[] = { 45, 46, 47, 48 };
+static struct spear_muxreg i2c_clk_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux i2c_clk_modemux[] = {
+	{
+		.modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE |
+			LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
+			ATA_PABX_WI2S_MODE | ATA_PABX_I2S_MODE | CAML_LCDW_MODE
+			| CAML_LCD_MODE,
+		.muxregs = i2c_clk_muxreg,
+		.nmuxregs = ARRAY_SIZE(i2c_clk_muxreg),
+	},
+};
+
+static struct spear_pingroup i2c_clk_pingroup = {
+	.name = "i2c_clk_grp_grp",
+	.pins = i2c_clk_pins,
+	.npins = ARRAY_SIZE(i2c_clk_pins),
+	.modemuxs = i2c_clk_modemux,
+	.nmodemuxs = ARRAY_SIZE(i2c_clk_modemux),
+};
+
+static const char *const i2c_grps[] = { "i2c_clk_grp" };
+static struct spear_function i2c_function = {
+	.name = "i2c1",
+	.groups = i2c_grps,
+	.ngroups = ARRAY_SIZE(i2c_grps),
+};
+
+/* caml_pins */
+static const unsigned caml_pins[] = { 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
+static struct spear_muxreg caml_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_MII_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux caml_modemux[] = {
+	{
+		.modes = CAML_LCDW_MODE | CAML_LCD_MODE,
+		.muxregs = caml_muxreg,
+		.nmuxregs = ARRAY_SIZE(caml_muxreg),
+	},
+};
+
+static struct spear_pingroup caml_pingroup = {
+	.name = "caml_grp",
+	.pins = caml_pins,
+	.npins = ARRAY_SIZE(caml_pins),
+	.modemuxs = caml_modemux,
+	.nmodemuxs = ARRAY_SIZE(caml_modemux),
+};
+
+/* camu_pins */
+static const unsigned camu_pins[] = { 16, 17, 18, 19, 20, 21, 45, 46, 47, 48 };
+static struct spear_muxreg camu_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK | PMX_MII_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux camu_modemux[] = {
+	{
+		.modes = CAMU_LCD_MODE | CAMU_WLCD_MODE,
+		.muxregs = camu_muxreg,
+		.nmuxregs = ARRAY_SIZE(camu_muxreg),
+	},
+};
+
+static struct spear_pingroup camu_pingroup = {
+	.name = "camu_grp",
+	.pins = camu_pins,
+	.npins = ARRAY_SIZE(camu_pins),
+	.modemuxs = camu_modemux,
+	.nmodemuxs = ARRAY_SIZE(camu_modemux),
+};
+
+static const char *const cam_grps[] = { "caml_grp", "camu_grp" };
+static struct spear_function cam_function = {
+	.name = "cam",
+	.groups = cam_grps,
+	.ngroups = ARRAY_SIZE(cam_grps),
+};
+
+/* dac_pins */
+static const unsigned dac_pins[] = { 43, 44 };
+static struct spear_muxreg dac_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_0_1_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux dac_modemux[] = {
+	{
+		.modes = ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
+			| CAMU_WLCD_MODE | CAML_LCD_MODE,
+		.muxregs = dac_muxreg,
+		.nmuxregs = ARRAY_SIZE(dac_muxreg),
+	},
+};
+
+static struct spear_pingroup dac_pingroup = {
+	.name = "dac_grp",
+	.pins = dac_pins,
+	.npins = ARRAY_SIZE(dac_pins),
+	.modemuxs = dac_modemux,
+	.nmodemuxs = ARRAY_SIZE(dac_modemux),
+};
+
+static const char *const dac_grps[] = { "dac_grp" };
+static struct spear_function dac_function = {
+	.name = "dac",
+	.groups = dac_grps,
+	.ngroups = ARRAY_SIZE(dac_grps),
+};
+
+/* i2s_pins */
+static const unsigned i2s_pins[] = { 39, 40, 41, 42 };
+static struct spear_muxreg i2s_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_UART0_MODEM_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux i2s_modemux[] = {
+	{
+		.modes = LEND_IP_PHONE_MODE | HEND_IP_PHONE_MODE
+			| LEND_WIFI_PHONE_MODE | HEND_WIFI_PHONE_MODE |
+			ATA_PABX_I2S_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE
+			| CAMU_WLCD_MODE | CAML_LCD_MODE,
+		.muxregs = i2s_muxreg,
+		.nmuxregs = ARRAY_SIZE(i2s_muxreg),
+	},
+};
+
+static struct spear_pingroup i2s_pingroup = {
+	.name = "i2s_grp",
+	.pins = i2s_pins,
+	.npins = ARRAY_SIZE(i2s_pins),
+	.modemuxs = i2s_modemux,
+	.nmodemuxs = ARRAY_SIZE(i2s_modemux),
+};
+
+static const char *const i2s_grps[] = { "i2s_grp" };
+static struct spear_function i2s_function = {
+	.name = "i2s",
+	.groups = i2s_grps,
+	.ngroups = ARRAY_SIZE(i2s_grps),
+};
+
+/* sdhci_4bit_pins */
+static const unsigned sdhci_4bit_pins[] = { 28, 29, 30, 31, 32, 33 };
+static struct spear_muxreg sdhci_4bit_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
+			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
+			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux sdhci_4bit_modemux[] = {
+	{
+		.modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
+			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
+			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
+			CAMU_WLCD_MODE | CAML_LCD_MODE | ATA_PABX_WI2S_MODE,
+		.muxregs = sdhci_4bit_muxreg,
+		.nmuxregs = ARRAY_SIZE(sdhci_4bit_muxreg),
+	},
+};
+
+static struct spear_pingroup sdhci_4bit_pingroup = {
+	.name = "sdhci_4bit_grp",
+	.pins = sdhci_4bit_pins,
+	.npins = ARRAY_SIZE(sdhci_4bit_pins),
+	.modemuxs = sdhci_4bit_modemux,
+	.nmodemuxs = ARRAY_SIZE(sdhci_4bit_modemux),
+};
+
+/* sdhci_8bit_pins */
+static const unsigned sdhci_8bit_pins[] = { 24, 25, 26, 27, 28, 29, 30, 31, 32,
+	33 };
+static struct spear_muxreg sdhci_8bit_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_GPIO_PIN0_MASK | PMX_GPIO_PIN1_MASK |
+			PMX_GPIO_PIN2_MASK | PMX_GPIO_PIN3_MASK |
+			PMX_GPIO_PIN4_MASK | PMX_GPIO_PIN5_MASK | PMX_MII_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux sdhci_8bit_modemux[] = {
+	{
+		.modes = PHOTO_FRAME_MODE | LEND_IP_PHONE_MODE |
+			HEND_IP_PHONE_MODE | LEND_WIFI_PHONE_MODE |
+			HEND_WIFI_PHONE_MODE | CAML_LCDW_MODE | CAMU_LCD_MODE |
+			CAMU_WLCD_MODE | CAML_LCD_MODE,
+		.muxregs = sdhci_8bit_muxreg,
+		.nmuxregs = ARRAY_SIZE(sdhci_8bit_muxreg),
+	},
+};
+
+static struct spear_pingroup sdhci_8bit_pingroup = {
+	.name = "sdhci_8bit_grp",
+	.pins = sdhci_8bit_pins,
+	.npins = ARRAY_SIZE(sdhci_8bit_pins),
+	.modemuxs = sdhci_8bit_modemux,
+	.nmodemuxs = ARRAY_SIZE(sdhci_8bit_modemux),
+};
+
+static const char *const sdhci_grps[] = { "sdhci_4bit_grp", "sdhci_8bit_grp" };
+static struct spear_function sdhci_function = {
+	.name = "sdhci",
+	.groups = sdhci_grps,
+	.ngroups = ARRAY_SIZE(sdhci_grps),
+};
+
+/* gpio1_0_to_3_pins */
+static const unsigned gpio1_0_to_3_pins[] = { 39, 40, 41, 42 };
+static struct spear_muxreg gpio1_0_to_3_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_UART0_MODEM_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux gpio1_0_to_3_modemux[] = {
+	{
+		.modes = PHOTO_FRAME_MODE,
+		.muxregs = gpio1_0_to_3_muxreg,
+		.nmuxregs = ARRAY_SIZE(gpio1_0_to_3_muxreg),
+	},
+};
+
+static struct spear_pingroup gpio1_0_to_3_pingroup = {
+	.name = "gpio1_0_to_3_grp",
+	.pins = gpio1_0_to_3_pins,
+	.npins = ARRAY_SIZE(gpio1_0_to_3_pins),
+	.modemuxs = gpio1_0_to_3_modemux,
+	.nmodemuxs = ARRAY_SIZE(gpio1_0_to_3_modemux),
+};
+
+/* gpio1_4_to_7_pins */
+static const unsigned gpio1_4_to_7_pins[] = { 43, 44, 45, 46 };
+
+static struct spear_muxreg gpio1_4_to_7_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux gpio1_4_to_7_modemux[] = {
+	{
+		.modes = PHOTO_FRAME_MODE,
+		.muxregs = gpio1_4_to_7_muxreg,
+		.nmuxregs = ARRAY_SIZE(gpio1_4_to_7_muxreg),
+	},
+};
+
+static struct spear_pingroup gpio1_4_to_7_pingroup = {
+	.name = "gpio1_4_to_7_grp",
+	.pins = gpio1_4_to_7_pins,
+	.npins = ARRAY_SIZE(gpio1_4_to_7_pins),
+	.modemuxs = gpio1_4_to_7_modemux,
+	.nmodemuxs = ARRAY_SIZE(gpio1_4_to_7_modemux),
+};
+
+static const char *const gpio1_grps[] = { "gpio1_0_to_3_grp", "gpio1_4_to_7_grp"
+};
+static struct spear_function gpio1_function = {
+	.name = "gpio1",
+	.groups = gpio1_grps,
+	.ngroups = ARRAY_SIZE(gpio1_grps),
+};
+
+/* pingroups */
+static struct spear_pingroup *spear300_pingroups[] = {
+	SPEAR3XX_COMMON_PINGROUPS,
+	&fsmc_2chips_pingroup,
+	&fsmc_4chips_pingroup,
+	&clcd_lcdmode_pingroup,
+	&clcd_pfmode_pingroup,
+	&tdm_pingroup,
+	&i2c_clk_pingroup,
+	&caml_pingroup,
+	&camu_pingroup,
+	&dac_pingroup,
+	&i2s_pingroup,
+	&sdhci_4bit_pingroup,
+	&sdhci_8bit_pingroup,
+	&gpio1_0_to_3_pingroup,
+	&gpio1_4_to_7_pingroup,
+};
+
+/* functions */
+static struct spear_function *spear300_functions[] = {
+	SPEAR3XX_COMMON_FUNCTIONS,
+	&fsmc_function,
+	&clcd_function,
+	&tdm_function,
+	&i2c_function,
+	&cam_function,
+	&dac_function,
+	&i2s_function,
+	&sdhci_function,
+	&gpio1_function,
+};
+
+static struct of_device_id spear300_pinctrl_of_match[] __devinitdata = {
+	{
+		.compatible = "st,spear300-pinmux",
+	},
+	{},
+};
+
+static int __devinit spear300_pinctrl_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	spear3xx_machdata.groups = spear300_pingroups;
+	spear3xx_machdata.ngroups = ARRAY_SIZE(spear300_pingroups);
+	spear3xx_machdata.functions = spear300_functions;
+	spear3xx_machdata.nfunctions = ARRAY_SIZE(spear300_functions);
+
+	spear3xx_machdata.modes_supported = true;
+	spear3xx_machdata.pmx_modes = spear300_pmx_modes;
+	spear3xx_machdata.npmx_modes = ARRAY_SIZE(spear300_pmx_modes);
+
+	pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);
+
+	ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int __devexit spear300_pinctrl_remove(struct platform_device *pdev)
+{
+	return spear_pinctrl_remove(pdev);
+}
+
+static struct platform_driver spear300_pinctrl_driver = {
+	.driver = {
+		.name = DRIVER_NAME,
+		.owner = THIS_MODULE,
+		.of_match_table = spear300_pinctrl_of_match,
+	},
+	.probe = spear300_pinctrl_probe,
+	.remove = __devexit_p(spear300_pinctrl_remove),
+};
+
+static int __init spear300_pinctrl_init(void)
+{
+	return platform_driver_register(&spear300_pinctrl_driver);
+}
+arch_initcall(spear300_pinctrl_init);
+
+static void __exit spear300_pinctrl_exit(void)
+{
+	platform_driver_unregister(&spear300_pinctrl_driver);
+}
+module_exit(spear300_pinctrl_exit);
+
+MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_DESCRIPTION("ST Microelectronics SPEAr300 pinctrl driver");
+MODULE_LICENSE("GPL v2");
+MODULE_DEVICE_TABLE(of, spear300_pinctrl_of_match);
diff --git a/drivers/pinctrl/spear/pinctrl-spear310.c b/drivers/pinctrl/spear/pinctrl-spear310.c
new file mode 100644
index 00000000000..1a970760512
--- /dev/null
+++ b/drivers/pinctrl/spear/pinctrl-spear310.c
@@ -0,0 +1,431 @@
+/*
+ * Driver for the ST Microelectronics SPEAr310 pinmux
+ *
+ * Copyright (C) 2012 ST Microelectronics
+ * Viresh Kumar <viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include "pinctrl-spear3xx.h"
+
+#define DRIVER_NAME "spear310-pinmux"
+
+/* addresses */
+#define PMX_CONFIG_REG			0x08
+
+/* emi_cs_0_to_5_pins */
+static const unsigned emi_cs_0_to_5_pins[] = { 45, 46, 47, 48, 49, 50 };
+static struct spear_muxreg emi_cs_0_to_5_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_0_1_MASK | PMX_TIMER_2_3_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux emi_cs_0_to_5_modemux[] = {
+	{
+		.muxregs = emi_cs_0_to_5_muxreg,
+		.nmuxregs = ARRAY_SIZE(emi_cs_0_to_5_muxreg),
+	},
+};
+
+static struct spear_pingroup emi_cs_0_to_5_pingroup = {
+	.name = "emi_cs_0_to_5_grp",
+	.pins = emi_cs_0_to_5_pins,
+	.npins = ARRAY_SIZE(emi_cs_0_to_5_pins),
+	.modemuxs = emi_cs_0_to_5_modemux,
+	.nmodemuxs = ARRAY_SIZE(emi_cs_0_to_5_modemux),
+};
+
+static const char *const emi_cs_0_to_5_grps[] = { "emi_cs_0_to_5_grp" };
+static struct spear_function emi_cs_0_to_5_function = {
+	.name = "emi",
+	.groups = emi_cs_0_to_5_grps,
+	.ngroups = ARRAY_SIZE(emi_cs_0_to_5_grps),
+};
+
+/* uart1_pins */
+static const unsigned uart1_pins[] = { 0, 1 };
+static struct spear_muxreg uart1_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_FIRDA_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux uart1_modemux[] = {
+	{
+		.muxregs = uart1_muxreg,
+		.nmuxregs = ARRAY_SIZE(uart1_muxreg),
+	},
+};
+
+static struct spear_pingroup uart1_pingroup = {
+	.name = "uart1_grp",
+	.pins = uart1_pins,
+	.npins = ARRAY_SIZE(uart1_pins),
+	.modemuxs = uart1_modemux,
+	.nmodemuxs = ARRAY_SIZE(uart1_modemux),
+};
+
+static const char *const uart1_grps[] = { "uart1_grp" };
+static struct spear_function uart1_function = {
+	.name = "uart1",
+	.groups = uart1_grps,
+	.ngroups = ARRAY_SIZE(uart1_grps),
+};
+
+/* uart2_pins */
+static const unsigned uart2_pins[] = { 43, 44 };
+static struct spear_muxreg uart2_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_TIMER_0_1_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux uart2_modemux[] = {
+	{
+		.muxregs = uart2_muxreg,
+		.nmuxregs = ARRAY_SIZE(uart2_muxreg),
+	},
+};
+
+static struct spear_pingroup uart2_pingroup = {
+	.name = "uart2_grp",
+	.pins = uart2_pins,
+	.npins = ARRAY_SIZE(uart2_pins),
+	.modemuxs = uart2_modemux,
+	.nmodemuxs = ARRAY_SIZE(uart2_modemux),
+};
+
+static const char *const uart2_grps[] = { "uart2_grp" };
+static struct spear_function uart2_function = {
+	.name = "uart2",
+	.groups = uart2_grps,
+	.ngroups = ARRAY_SIZE(uart2_grps),
+};
+
+/* uart3_pins */
+static const unsigned uart3_pins[] = { 37, 38 };
+static struct spear_muxreg uart3_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_UART0_MODEM_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux uart3_modemux[] = {
+	{
+		.muxregs = uart3_muxreg,
+		.nmuxregs = ARRAY_SIZE(uart3_muxreg),
+	},
+};
+
+static struct spear_pingroup uart3_pingroup = {
+	.name = "uart3_grp",
+	.pins = uart3_pins,
+	.npins = ARRAY_SIZE(uart3_pins),
+	.modemuxs = uart3_modemux,
+	.nmodemuxs = ARRAY_SIZE(uart3_modemux),
+};
+
+static const char *const uart3_grps[] = { "uart3_grp" };
+static struct spear_function uart3_function = {
+	.name = "uart3",
+	.groups = uart3_grps,
+	.ngroups = ARRAY_SIZE(uart3_grps),
+};
+
+/* uart4_pins */
+static const unsigned uart4_pins[] = { 39, 40 };
+static struct spear_muxreg uart4_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_UART0_MODEM_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux uart4_modemux[] = {
+	{
+		.muxregs = uart4_muxreg,
+		.nmuxregs = ARRAY_SIZE(uart4_muxreg),
+	},
+};
+
+static struct spear_pingroup uart4_pingroup = {
+	.name = "uart4_grp",
+	.pins = uart4_pins,
+	.npins = ARRAY_SIZE(uart4_pins),
+	.modemuxs = uart4_modemux,
+	.nmodemuxs = ARRAY_SIZE(uart4_modemux),
+};
+
+static const char *const uart4_grps[] = { "uart4_grp" };
+static struct spear_function uart4_function = {
+	.name = "uart4",
+	.groups = uart4_grps,
+	.ngroups = ARRAY_SIZE(uart4_grps),
+};
+
+/* uart5_pins */
+static const unsigned uart5_pins[] = { 41, 42 };
+static struct spear_muxreg uart5_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_UART0_MODEM_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux uart5_modemux[] = {
+	{
+		.muxregs = uart5_muxreg,
+		.nmuxregs = ARRAY_SIZE(uart5_muxreg),
+	},
+};
+
+static struct spear_pingroup uart5_pingroup = {
+	.name = "uart5_grp",
+	.pins = uart5_pins,
+	.npins = ARRAY_SIZE(uart5_pins),
+	.modemuxs = uart5_modemux,
+	.nmodemuxs = ARRAY_SIZE(uart5_modemux),
+};
+
+static const char *const uart5_grps[] = { "uart5_grp" };
+static struct spear_function uart5_function = {
+	.name = "uart5",
+	.groups = uart5_grps,
+	.ngroups = ARRAY_SIZE(uart5_grps),
+};
+
+/* fsmc_pins */
+static const unsigned fsmc_pins[] = { 34, 35, 36 };
+static struct spear_muxreg fsmc_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_SSP_CS_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux fsmc_modemux[] = {
+	{
+		.muxregs = fsmc_muxreg,
+		.nmuxregs = ARRAY_SIZE(fsmc_muxreg),
+	},
+};
+
+static struct spear_pingroup fsmc_pingroup = {
+	.name = "fsmc_grp",
+	.pins = fsmc_pins,
+	.npins = ARRAY_SIZE(fsmc_pins),
+	.modemuxs = fsmc_modemux,
+	.nmodemuxs = ARRAY_SIZE(fsmc_modemux),
+};
+
+static const char *const fsmc_grps[] = { "fsmc_grp" };
+static struct spear_function fsmc_function = {
+	.name = "fsmc",
+	.groups = fsmc_grps,
+	.ngroups = ARRAY_SIZE(fsmc_grps),
+};
+
+/* rs485_0_pins */
+static const unsigned rs485_0_pins[] = { 19, 20, 21, 22, 23 };
+static struct spear_muxreg rs485_0_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_MII_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux rs485_0_modemux[] = {
+	{
+		.muxregs = rs485_0_muxreg,
+		.nmuxregs = ARRAY_SIZE(rs485_0_muxreg),
+	},
+};
+
+static struct spear_pingroup rs485_0_pingroup = {
+	.name = "rs485_0_grp",
+	.pins = rs485_0_pins,
+	.npins = ARRAY_SIZE(rs485_0_pins),
+	.modemuxs = rs485_0_modemux,
+	.nmodemuxs = ARRAY_SIZE(rs485_0_modemux),
+};
+
+static const char *const rs485_0_grps[] = { "rs485_0" };
+static struct spear_function rs485_0_function = {
+	.name = "rs485_0",
+	.groups = rs485_0_grps,
+	.ngroups = ARRAY_SIZE(rs485_0_grps),
+};
+
+/* rs485_1_pins */
+static const unsigned rs485_1_pins[] = { 14, 15, 16, 17, 18 };
+static struct spear_muxreg rs485_1_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_MII_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux rs485_1_modemux[] = {
+	{
+		.muxregs = rs485_1_muxreg,
+		.nmuxregs = ARRAY_SIZE(rs485_1_muxreg),
+	},
+};
+
+static struct spear_pingroup rs485_1_pingroup = {
+	.name = "rs485_1_grp",
+	.pins = rs485_1_pins,
+	.npins = ARRAY_SIZE(rs485_1_pins),
+	.modemuxs = rs485_1_modemux,
+	.nmodemuxs = ARRAY_SIZE(rs485_1_modemux),
+};
+
+static const char *const rs485_1_grps[] = { "rs485_1" };
+static struct spear_function rs485_1_function = {
+	.name = "rs485_1",
+	.groups = rs485_1_grps,
+	.ngroups = ARRAY_SIZE(rs485_1_grps),
+};
+
+/* tdm_pins */
+static const unsigned tdm_pins[] = { 10, 11, 12, 13 };
+static struct spear_muxreg tdm_muxreg[] = {
+	{
+		.reg = PMX_CONFIG_REG,
+		.mask = PMX_MII_MASK,
+		.val = 0,
+	},
+};
+
+static struct spear_modemux tdm_modemux[] = {
+	{
+		.muxregs = tdm_muxreg,
+		.nmuxregs = ARRAY_SIZE(tdm_muxreg),
+	},
+};
+
+static struct spear_pingroup tdm_pingroup = {
+	.name = "tdm_grp",
+	.pins = tdm_pins,
+	.npins = ARRAY_SIZE(tdm_pins),
+	.modemuxs = tdm_modemux,
+	.nmodemuxs = ARRAY_SIZE(tdm_modemux),
+};
+
+static const char *const tdm_grps[] = { "tdm_grp" };
+static struct spear_function tdm_function = {
+	.name = "tdm",
+	.groups = tdm_grps,
+	.ngroups = ARRAY_SIZE(tdm_grps),
+};
+
+/* pingroups */
+static struct spear_pingroup *spear310_pingroups[] = {
+	SPEAR3XX_COMMON_PINGROUPS,
+	&emi_cs_0_to_5_pingroup,
+	&uart1_pingroup,
+	&uart2_pingroup,
+	&uart3_pingroup,
+	&uart4_pingroup,
+	&uart5_pingroup,
+	&fsmc_pingroup,
+	&rs485_0_pingroup,
+	&rs485_1_pingroup,
+	&tdm_pingroup,
+};
+
+/* functions */
+static struct spear_function *spear310_functions[] = {
+	SPEAR3XX_COMMON_FUNCTIONS,
+	&emi_cs_0_to_5_function,
+	&uart1_function,
+	&uart2_function,
+	&uart3_function,
+	&uart4_function,
+	&uart5_function,
+	&fsmc_function,
+	&rs485_0_function,
+	&rs485_1_function,
+	&tdm_function,
+};
+
+static struct of_device_id spear310_pinctrl_of_match[] __devinitdata = {
+	{
+		.compatible = "st,spear310-pinmux",
+	},
+	{},
+};
+
+static int __devinit spear310_pinctrl_probe(struct platform_device *pdev)
+{
+	int ret;
+
+	spear3xx_machdata.groups = spear310_pingroups;
+	spear3xx_machdata.ngroups = ARRAY_SIZE(spear310_pingroups);
+	spear3xx_machdata.functions = spear310_functions;
+	spear3xx_machdata.nfunctions = ARRAY_SIZE(spear310_functions);
+
+	pmx_init_addr(&spear3xx_machdata, PMX_CONFIG_REG);
+
+	spear3xx_machdata.modes_supported = false;
+
+	ret = spear_pinctrl_probe(pdev, &spear3xx_machdata);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int __devexit spear310_pinctrl_remove(struct platform_device *pdev)
+{
+	return spear_pinctrl_remove(pdev);
+}