Renesas ARM-based SoC board updates for v3.11

Highlights:
 bockw: add SDHI0 support
 bockw: add dummy regulators for SMSC
 bockw: Document CN9 SCIF/RCAN dipswitch selection
 lager: support GPIO switches and LEDs
 kzm9g: add AS3711 PMIC platform data
 marzen: Use INTC External IRQ pin driver for SMSC
 ape6evm: Update MP clock parent become EXTAL2 in line with changes
          to r8a73a4 SoC code
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Merge tag 'renesas-boards-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards

From Simon Horman:
Renesas ARM-based SoC board updates for v3.11

Highlights:
bockw: add SDHI0 support
bockw: add dummy regulators for SMSC
bockw: Document CN9 SCIF/RCAN dipswitch selection
lager: support GPIO switches and LEDs
kzm9g: add AS3711 PMIC platform data
marzen: Use INTC External IRQ pin driver for SMSC
ape6evm: Update MP clock parent become EXTAL2 in line with changes
         to r8a73a4 SoC code

* tag 'renesas-boards-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: marzen: keep local function as static
  ARM: shmobile: bockw: add SDHI0 support
  ARM: shmobile: marzen: Use INTC External IRQ pin driver for SMSC
  ARM: shmobile: lager: support GPIO switches
  ARM: shmobile: lager: Add GPIO LEDs
  ARM: shmobile: bockw: add dummy regulators for SMSC
  ARM: shmobile: bockw: add CN9 SCIF/RCAN selection dipswitch explanation
  ARM: shmobile: kzm9g: add AS3711 PMIC platform data
  ARM: shmobile: kzm9d: resigser smsc911x platform device with id -1
  ARM: shmobile: bockw: define FPGA address and rename iomem variable
  ARM: shmobile: ape6evm: MP clock parent become EXTAL2

arch/arm/mach-shmobile/board-ape6evm.c

@@ -26,6 +26,7 @@
 #include <linux/platform_device.h>
 #include <linux/regulator/fixed.h>
 #include <linux/regulator/machine.h>
+#include <linux/sh_clk.h>
 #include <linux/smsc911x.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
@@ -65,7 +66,21 @@ static const struct pinctrl_map ape6evm_pinctrl_map[] = {
 
 static void __init ape6evm_add_standard_devices(void)
 {
+
+	struct clk *parent;
+	struct clk *mp;
+
 	r8a73a4_clock_init();
+
+	/* MP clock parent = extal2 */
+	parent      = clk_get(NULL, "extal2");
+	mp          = clk_get(NULL, "mp");
+	BUG_ON(IS_ERR(parent) || IS_ERR(mp));
+
+	clk_set_parent(mp, parent);
+	clk_put(parent);
+	clk_put(mp);
+
 	pinctrl_register_mappings(ape6evm_pinctrl_map,
 				  ARRAY_SIZE(ape6evm_pinctrl_map));
 	r8a73a4_pinmux_init();

arch/arm/mach-shmobile/board-bockw.c

@@ -18,14 +18,32 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
 #include <mach/r8a7778.h>
 #include <asm/mach/arch.h>
 
+/*
+ *	CN9(Upper side) SCIF/RCAN selection
+ *
+ *		1,4	3,6
+ * SW40		SCIF	RCAN
+ * SW41		SCIF	RCAN
+ */
+
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+	REGULATOR_SUPPLY("vddvario", "smsc911x"),
+	REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct smsc911x_platform_config smsc911x_data = {
 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
@@ -38,18 +56,31 @@ static struct resource smsc911x_resources[] = {
 	DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */
 };
 
+/* SDHI */
+static struct sh_mobile_sdhi_info sdhi0_info = {
+	.tmio_caps	= MMC_CAP_SD_HIGHSPEED,
+	.tmio_ocr_mask	= MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
+	.tmio_flags	= TMIO_MMC_HAS_IDLE_WAIT,
+};
+
 static const struct pinctrl_map bockw_pinctrl_map[] = {
 	/* SCIF0 */
 	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
 				  "scif0_data_a", "scif0"),
 	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
 				  "scif0_ctrl", "scif0"),
+	/* SDHI0 */
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
+				  "sdhi0", "sdhi0"),
 };
 
+#define FPGA	0x18200000
 #define IRQ0MR	0x30
+#define PFC	0xfffc0000
+#define PUPR4	0x110
 static void __init bockw_init(void)
 {
-	void __iomem *fpga;
+	void __iomem *base;
 
 	r8a7778_clock_init();
 	r8a7778_init_irq_extpin(1);
@@ -59,8 +90,9 @@ static void __init bockw_init(void)
 				  ARRAY_SIZE(bockw_pinctrl_map));
 	r8a7778_pinmux_init();
 
-	fpga = ioremap_nocache(0x18200000, SZ_1M);
+	/* for SMSC */
-	if (fpga) {
+	base = ioremap_nocache(FPGA, SZ_1M);
+	if (base) {
 		/*
 		 * CAUTION
 		 *
@@ -68,16 +100,33 @@ static void __init bockw_init(void)
 		 * it should be cared in the future
 		 * Now, it is assuming IRQ0 was used only from SMSC.
 		 */
-		u16 val = ioread16(fpga + IRQ0MR);
+		u16 val = ioread16(base + IRQ0MR);
 		val &= ~(1 << 4); /* enable SMSC911x */
-		iowrite16(val, fpga + IRQ0MR);
+		iowrite16(val, base + IRQ0MR);
-		iounmap(fpga);
+		iounmap(base);
+
+		regulator_register_fixed(0, dummy_supplies,
+					 ARRAY_SIZE(dummy_supplies));
 
 		platform_device_register_resndata(
 			&platform_bus, "smsc911x", -1,
 			smsc911x_resources, ARRAY_SIZE(smsc911x_resources),
 			&smsc911x_data, sizeof(smsc911x_data));
 	}
+
+	/* for SDHI */
+	base = ioremap_nocache(PFC, 0x200);
+	if (base) {
+		/*
+		 * FIXME
+		 *
+		 * SDHI CD/WP pin needs pull-up
+		 */
+		iowrite32(ioread32(base + PUPR4) | (3 << 26), base + PUPR4);
+		iounmap(base);
+
+		r8a7778_sdhi_init(0, &sdhi0_info);
+	}
 }
 
 static const char *bockw_boards_compat_dt[] __initdata = {

arch/arm/mach-shmobile/board-kzm9d.c

@@ -56,7 +56,7 @@ static struct smsc911x_platform_config smsc911x_platdata = {
 
 static struct platform_device smsc91x_device = {
 	.name	= "smsc911x",
-	.id	= 0,
+	.id	= -1,
 	.dev	= {
 		  .platform_data = &smsc911x_platdata,
 		},

arch/arm/mach-shmobile/board-kzm9g.c

@@ -29,6 +29,7 @@
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mmc/sh_mobile_sdhi.h>
+#include <linux/mfd/as3711.h>
 #include <linux/mfd/tmio.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/pinctrl/pinconf-generic.h>
@@ -606,6 +607,140 @@ static struct platform_device fsi_ak4648_device = {
 };
 
 /* I2C */
+
+/* StepDown1 is used to supply 1.315V to the CPU */
+static struct regulator_init_data as3711_sd1 = {
+	.constraints = {
+		.name = "1.315V CPU",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 1315000,
+		.max_uV = 1335000,
+	},
+};
+
+/* StepDown2 is used to supply 1.8V to the CPU and to the board */
+static struct regulator_init_data as3711_sd2 = {
+	.constraints = {
+		.name = "1.8V",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 1800000,
+		.max_uV = 1800000,
+	},
+};
+
+/*
+ * StepDown3 is switched in parallel with StepDown2, seems to be off,
+ * according to read-back pre-set register values
+ */
+
+/* StepDown4 is used to supply 1.215V to the CPU and to the board */
+static struct regulator_init_data as3711_sd4 = {
+	.constraints = {
+		.name = "1.215V",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 1215000,
+		.max_uV = 1235000,
+	},
+};
+
+/* LDO1 is unused and unconnected */
+
+/* LDO2 is used to supply 2.8V to the CPU */
+static struct regulator_init_data as3711_ldo2 = {
+	.constraints = {
+		.name = "2.8V CPU",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 2800000,
+		.max_uV = 2800000,
+	},
+};
+
+/* LDO3 is used to supply 3.0V to the CPU */
+static struct regulator_init_data as3711_ldo3 = {
+	.constraints = {
+		.name = "3.0V CPU",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 3000000,
+		.max_uV = 3000000,
+	},
+};
+
+/* LDO4 is used to supply 2.8V to the board */
+static struct regulator_init_data as3711_ldo4 = {
+	.constraints = {
+		.name = "2.8V",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 2800000,
+		.max_uV = 2800000,
+	},
+};
+
+/* LDO5 is switched parallel to LDO4, also set to 2.8V */
+static struct regulator_init_data as3711_ldo5 = {
+	.constraints = {
+		.name = "2.8V #2",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 2800000,
+		.max_uV = 2800000,
+	},
+};
+
+/* LDO6 is unused and unconnected */
+
+/* LDO7 is used to supply 1.15V to the CPU */
+static struct regulator_init_data as3711_ldo7 = {
+	.constraints = {
+		.name = "1.15V CPU",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 1150000,
+		.max_uV = 1150000,
+	},
+};
+
+/* LDO8 is switched parallel to LDO7, also set to 1.15V */
+static struct regulator_init_data as3711_ldo8 = {
+	.constraints = {
+		.name = "1.15V CPU #2",
+		.boot_on = 1,
+		.always_on = 1,
+		.min_uV = 1150000,
+		.max_uV = 1150000,
+	},
+};
+
+static struct as3711_platform_data as3711_pdata = {
+	.regulator	= {
+		.init_data	= {
+			[AS3711_REGULATOR_SD_1] = &as3711_sd1,
+			[AS3711_REGULATOR_SD_2] = &as3711_sd2,
+			[AS3711_REGULATOR_SD_4] = &as3711_sd4,
+			[AS3711_REGULATOR_LDO_2] = &as3711_ldo2,
+			[AS3711_REGULATOR_LDO_3] = &as3711_ldo3,
+			[AS3711_REGULATOR_LDO_4] = &as3711_ldo4,
+			[AS3711_REGULATOR_LDO_5] = &as3711_ldo5,
+			[AS3711_REGULATOR_LDO_7] = &as3711_ldo7,
+			[AS3711_REGULATOR_LDO_8] = &as3711_ldo8,
+		},
+	},
+	.backlight	= {
+		.su2_fb = "sh_mobile_lcdc_fb.0",
+		.su2_max_uA = 36000,
+		.su2_feedback = AS3711_SU2_CURR_AUTO,
+		.su2_fbprot = AS3711_SU2_GPIO4,
+		.su2_auto_curr1 = true,
+		.su2_auto_curr2 = true,
+		.su2_auto_curr3 = true,
+	},
+};
+
 static struct pcf857x_platform_data pcf8575_pdata = {
 	.gpio_base	= GPIO_PCF8575_BASE,
 };
@@ -625,6 +760,11 @@ static struct i2c_board_info i2c0_devices[] = {
 		I2C_BOARD_INFO("adxl34x", 0x1d),
 		.irq = irq_pin(26), /* IRQ26 */
 	},
+	{
+		I2C_BOARD_INFO("as3711", 0x40),
+		.irq = intcs_evt2irq(0x3300), /* IRQ24 */
+		.platform_data = &as3711_pdata,
+	},
 };
 
 static struct i2c_board_info i2c1_devices[] = {
@@ -715,59 +855,6 @@ static const struct pinctrl_map kzm_pinctrl_map[] = {
 				  "usb_vbus", "usb"),
 };
 
-/*
- * FIXME
- *
- * This is quick hack for enabling LCDC backlight
- */
-static int __init as3711_enable_lcdc_backlight(void)
-{
-	struct i2c_adapter *a = i2c_get_adapter(0);
-	struct i2c_msg msg;
-	int i, ret;
-	__u8 magic[] = {
-		0x40, 0x2a,
-		0x43, 0x3c,
-		0x44, 0x3c,
-		0x45, 0x3c,
-		0x54, 0x03,
-		0x51, 0x00,
-		0x51, 0x01,
-		0xff, 0x00, /* wait */
-		0x43, 0xf0,
-		0x44, 0xf0,
-		0x45, 0xf0,
-	};
-
-	if (!of_machine_is_compatible("renesas,kzm9g"))
-		return 0;
-
-	if (!a)
-		return 0;
-
-	msg.addr	= 0x40;
-	msg.len		= 2;
-	msg.flags	= 0;
-
-	for (i = 0; i < ARRAY_SIZE(magic); i += 2) {
-		msg.buf = magic + i;
-
-		if (0xff == msg.buf[0]) {
-			udelay(500);
-			continue;
-		}
-
-		ret = i2c_transfer(a, &msg, 1);
-		if (ret < 0) {
-			pr_err("i2c transfer fail\n");
-			break;
-		}
-	}
-
-	return 0;
-}
-device_initcall(as3711_enable_lcdc_backlight);
-
 static void __init kzm_init(void)
 {
 	regulator_register_always_on(2, "fixed-1.8V", fixed1v8_power_consumers,

arch/arm/mach-shmobile/board-lager.c

@@ -18,16 +18,59 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
+#include <linux/gpio.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/irqchip.h>
 #include <linux/kernel.h>
+#include <linux/leds.h>
 #include <linux/pinctrl/machine.h>
+#include <linux/platform_data/gpio-rcar.h>
 #include <linux/platform_device.h>
 #include <mach/common.h>
 #include <mach/r8a7790.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 
+/* LEDS */
+static struct gpio_led lager_leds[] = {
+	{
+		.name		= "led8",
+		.gpio		= RCAR_GP_PIN(5, 17),
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	}, {
+		.name		= "led7",
+		.gpio		= RCAR_GP_PIN(4, 23),
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	}, {
+		.name		= "led6",
+		.gpio		= RCAR_GP_PIN(4, 22),
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	},
+};
+
+static __initdata struct gpio_led_platform_data lager_leds_pdata = {
+	.leds		= lager_leds,
+	.num_leds	= ARRAY_SIZE(lager_leds),
+};
+
+/* GPIO KEY */
+#define GPIO_KEY(c, g, d, ...) \
+	{ .code = c, .gpio = g, .desc = d, .active_low = 1 }
+
+static __initdata struct gpio_keys_button gpio_buttons[] = {
+	GPIO_KEY(KEY_4,		RCAR_GP_PIN(1, 28),	"SW2-pin4"),
+	GPIO_KEY(KEY_3,		RCAR_GP_PIN(1, 26),	"SW2-pin3"),
+	GPIO_KEY(KEY_2,		RCAR_GP_PIN(1, 24),	"SW2-pin2"),
+	GPIO_KEY(KEY_1,		RCAR_GP_PIN(1, 14),	"SW2-pin1"),
+};
+
+static __initdata struct gpio_keys_platform_data lager_keys_pdata = {
+	.buttons	= gpio_buttons,
+	.nbuttons	= ARRAY_SIZE(gpio_buttons),
+};
+
 static const struct pinctrl_map lager_pinctrl_map[] = {
 	/* SCIF0 (CN19: DEBUG SERIAL0) */
 	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790",
@@ -46,6 +89,12 @@ static void __init lager_add_standard_devices(void)
 	r8a7790_pinmux_init();
 
 	r8a7790_add_standard_devices();
+	platform_device_register_data(&platform_bus, "leds-gpio", -1,
+				      &lager_leds_pdata,
+				      sizeof(lager_leds_pdata));
+	platform_device_register_data(&platform_bus, "gpio-keys", -1,
+				      &lager_keys_pdata,
+				      sizeof(lager_keys_pdata));
 }
 
 static const char *lager_boards_compat_dt[] __initdata = {

arch/arm/mach-shmobile/board-marzen.c

@@ -69,7 +69,7 @@ static struct resource smsc911x_resources[] = {
 		.flags		= IORESOURCE_MEM,
 	},
 	[1] = {
-		.start		= gic_iid(0x3c), /* IRQ 1 */
+		.start		= irq_pin(1), /* IRQ 1 */
 		.flags		= IORESOURCE_IRQ,
 	},
 };
@@ -350,7 +350,7 @@ static struct platform_device *marzen_late_devices[] __initdata = {
 	&ohci1_device,
 };
 
-void __init marzen_init_late(void)
+static void __init marzen_init_late(void)
 {
 	/* get usb phy */
 	phy = usb_get_phy(USB_PHY_TYPE_USB2);
@@ -405,6 +405,7 @@ static void __init marzen_init(void)
 	pinctrl_register_mappings(marzen_pinctrl_map,
 				  ARRAY_SIZE(marzen_pinctrl_map));
 	r8a7779_pinmux_init();
+	r8a7779_init_irq_extpin(1); /* IRQ1 as individual interrupt */
 
 	r8a7779_add_standard_devices();
 	platform_add_devices(marzen_devices, ARRAY_SIZE(marzen_devices));