Merge branch 'for-3.5/usb-ulpi' into for-3.5/dt2-new

Documentation/devicetree/bindings/usb/tegra-usb.txt

@@ -12,6 +12,9 @@ Required properties :
  - nvidia,vbus-gpio : If present, specifies a gpio that needs to be
    activated for the bus to be powered.
 
+Required properties for phy_type == ulpi:
+  - nvidia,phy-reset-gpio : The GPIO used to reset the PHY.
+
 Optional properties:
   - dr_mode : dual role mode. Indicates the working mode for
    nvidia,tegra20-ehci compatible controllers.  Can be "host", "peripheral",

arch/arm/boot/dts/tegra-harmony.dts

@@ -167,28 +167,28 @@
 			};
 			conf_ata {
 				nvidia,pins = "ata", "atb", "atc", "atd", "ate",
-					"cdev1", "dap1", "dtb", "gma", "gmb",
-					"gmc", "gmd", "gme", "gpu7", "gpv",
-					"i2cp", "pta", "rm", "slxa", "slxk",
-					"spia", "spib";
+					"cdev1", "cdev2", "dap1", "dtb", "gma",
+					"gmb", "gmc", "gmd", "gme", "gpu7",
+					"gpv", "i2cp", "pta", "rm", "slxa",
+					"slxk", "spia", "spib", "uac";
 				nvidia,pull = <0>;
 				nvidia,tristate = <0>;
 			};
-			conf_cdev2 {
-				nvidia,pins = "cdev2", "csus", "spid", "spif";
-				nvidia,pull = <1>;
-				nvidia,tristate = <1>;
-			};
 			conf_ck32 {
 				nvidia,pins = "ck32", "ddrc", "pmca", "pmcb",
 					"pmcc", "pmcd", "pmce", "xm2c", "xm2d";
 				nvidia,pull = <0>;
 			};
+			conf_csus {
+				nvidia,pins = "csus", "spid", "spif";
+				nvidia,pull = <1>;
+				nvidia,tristate = <1>;
+			};
 			conf_crtp {
 				nvidia,pins = "crtp", "dap2", "dap3", "dap4",
 					"dtc", "dte", "dtf", "gpu", "sdio1",
 					"slxc", "slxd", "spdi", "spdo", "spig",
-					"uac", "uda";
+					"uda";
 				nvidia,pull = <0>;
 				nvidia,tristate = <1>;
 			};
@@ -336,4 +336,8 @@
 		power-gpios = <&gpio 70 0>; /* gpio PI6 */
 		support-8bit;
 	};
+
+	usb@c5004000 {
+		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+	};
 };

arch/arm/boot/dts/tegra-paz00.dts

@@ -159,18 +159,14 @@
 			};
 			conf_ata {
 				nvidia,pins = "ata", "atb", "atc", "atd", "ate",
-					"cdev1", "dap1", "dap2", "dtf", "gma",
-					"gmb", "gmc", "gmd", "gme", "gpu",
-					"gpu7", "gpv", "i2cp", "pta", "rm",
-					"sdio1", "slxk", "spdo", "uac", "uda";
+					"cdev1", "cdev2", "dap1", "dap2", "dtf",
+					"gma", "gmb", "gmc", "gmd", "gme",
+					"gpu", "gpu7", "gpv", "i2cp", "pta",
+					"rm", "sdio1", "slxk", "spdo", "uac",
+					"uda";
 				nvidia,pull = <0>;
 				nvidia,tristate = <0>;
 			};
-			conf_cdev2 {
-				nvidia,pins = "cdev2";
-				nvidia,pull = <1>;
-				nvidia,tristate = <0>;
-			};
 			conf_ck32 {
 				nvidia,pins = "ck32", "ddrc", "pmca", "pmcb",
 					"pmcc", "pmcd", "pmce", "xm2c", "xm2d";
@@ -351,4 +347,8 @@
 			linux,default-trigger = "rfkill0";
 		};
 	};
+
+	usb@c5004000 {
+		nvidia,phy-reset-gpio = <&gpio 168 0>; /* gpio PV0 */
+	};
 };

arch/arm/boot/dts/tegra-seaboard.dts

@@ -415,4 +415,8 @@
 				0x00000000 0x00000000 0x00000000 0x00000000 >;
 		};
 	};
+
+	usb@c5004000 {
+		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+	};
 };

arch/arm/boot/dts/tegra-trimslice.dts

@@ -182,23 +182,23 @@
 				nvidia,tristate = <1>;
 			};
 			conf_atb {
-				nvidia,pins = "atb", "cdev1", "dap1", "gma",
-					"gmc", "gmd", "gpu", "gpu7", "gpv",
-					"sdio1", "slxa", "slxk", "uac";
+				nvidia,pins = "atb", "cdev1", "cdev2", "dap1",
+					"gma", "gmc", "gmd", "gpu", "gpu7",
+					"gpv", "sdio1", "slxa", "slxk", "uac";
 				nvidia,pull = <0>;
 				nvidia,tristate = <0>;
 			};
-			conf_cdev2 {
-				nvidia,pins = "cdev2", "csus", "spia", "spib",
-					"spid", "spif";
-				nvidia,pull = <1>;
-				nvidia,tristate = <1>;
-			};
 			conf_ck32 {
 				nvidia,pins = "ck32", "ddrc", "pmca", "pmcb",
 					"pmcc", "pmcd", "pmce", "xm2c", "xm2d";
 				nvidia,pull = <0>;
 			};
+			conf_csus {
+				nvidia,pins = "csus", "spia", "spib",
+					"spid", "spif";
+				nvidia,pull = <1>;
+				nvidia,tristate = <1>;
+			};
 			conf_ddc {
 				nvidia,pins = "ddc", "dtf", "rm", "sdc", "sdd";
 				nvidia,pull = <2>;
@@ -304,4 +304,8 @@
 		cd-gpios = <&gpio 121 0>;
 		wp-gpios = <&gpio 122 0>;
 	};
+
+	usb@c5004000 {
+		nvidia,phy-reset-gpio = <&gpio 168 0>; /* gpio PV0 */
+	};
 };

arch/arm/boot/dts/tegra-ventana.dts

@@ -335,4 +335,8 @@
 	sdhci@c8000600 {
 		support-8bit;
 	};
+
+	usb@c5004000 {
+		nvidia,phy-reset-gpio = <&gpio 169 0>; /* gpio PV1 */
+	};
 };

arch/arm/mach-tegra/board-paz00.c

@@ -159,6 +159,8 @@ static void paz00_i2c_init(void)
 
 static void paz00_usb_init(void)
 {
+	tegra_ehci2_ulpi_phy_config.reset_gpio = TEGRA_ULPI_RST;
+
 	platform_device_register(&tegra_ehci2_device);
 	platform_device_register(&tegra_ehci3_device);
 }
@@ -176,7 +178,6 @@ static __initdata struct tegra_clk_init_table paz00_clk_init_table[] = {
 	{ "uarta",	"pll_p",	216000000,	true },
 	{ "uartc",	"pll_p",	216000000,	true },
 
-	{ "pll_p_out4",	"pll_p",	24000000,	true },
 	{ "usbd",	"clk_m",	12000000,	false },
 	{ "usb2",	"clk_m",	12000000,	false },
 	{ "usb3",	"clk_m",	12000000,	false },

arch/arm/mach-tegra/board-trimslice.c

@@ -117,6 +117,8 @@ static void trimslice_usb_init(void)
 	pdata = tegra_ehci1_device.dev.platform_data;
 	pdata->vbus_gpio = TRIMSLICE_GPIO_USB1_MODE;
 
+	tegra_ehci2_ulpi_phy_config.reset_gpio = TEGRA_GPIO_PV0;
+
 	platform_device_register(&tegra_ehci3_device);
 	platform_device_register(&tegra_ehci2_device);
 	platform_device_register(&tegra_ehci1_device);

arch/arm/mach-tegra/common.c

@@ -82,10 +82,12 @@ static __initdata struct tegra_clk_init_table tegra20_clk_init_table[] = {
 	{ "pll_p_out1",	"pll_p",	28800000,	true },
 	{ "pll_p_out2",	"pll_p",	48000000,	true },
 	{ "pll_p_out3",	"pll_p",	72000000,	true },
-	{ "pll_p_out4",	"pll_p",	108000000,	true },
-	{ "sclk",	"pll_p_out4",	108000000,	true },
-	{ "hclk",	"sclk",		108000000,	true },
-	{ "pclk",	"hclk",		54000000,	true },
+	{ "pll_p_out4",	"pll_p",	24000000,	true },
+	{ "pll_c",	"clk_m",	600000000,	true },
+	{ "pll_c_out1",	"pll_c",	120000000,	true },
+	{ "sclk",	"pll_c_out1",	120000000,	true },
+	{ "hclk",	"sclk",		120000000,	true },
+	{ "pclk",	"hclk",		60000000,	true },
 	{ "csite",	NULL,		0,		true },
 	{ "emc",	NULL,		0,		true },
 	{ "cpu",	NULL,		0,		true },

arch/arm/mach-tegra/devices.c

@@ -439,9 +439,8 @@ static struct resource tegra_usb3_resources[] = {
 	},
 };
 
-static struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config = {
-	/* All existing boards use GPIO PV0 for phy reset */
-	.reset_gpio = TEGRA_GPIO_PV0,
+struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config = {
+	.reset_gpio = -1,
 	.clk = "cdev2",
 };
 

arch/arm/mach-tegra/devices.h

@@ -22,6 +22,10 @@
 #include <linux/platform_device.h>
 #include <linux/platform_data/tegra_usb.h>
 
+#include <mach/usb_phy.h>
+
+extern struct tegra_ulpi_config tegra_ehci2_ulpi_phy_config;
+
 extern struct tegra_ehci_platform_data tegra_ehci1_pdata;
 extern struct tegra_ehci_platform_data tegra_ehci2_pdata;
 extern struct tegra_ehci_platform_data tegra_ehci3_pdata;

arch/arm/mach-tegra/include/mach/usb_phy.h

@@ -61,8 +61,8 @@ struct tegra_usb_phy {
 	struct usb_phy *ulpi;
 };
 
-struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
-			void *config, enum tegra_usb_phy_mode phy_mode);
+struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance,
+	void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode);
 
 int tegra_usb_phy_power_on(struct tegra_usb_phy *phy);
 

arch/arm/mach-tegra/tegra2_clocks.c

@@ -1486,6 +1486,10 @@ static struct clk tegra_clk_m = {
 };
 
 static struct clk_pll_freq_table tegra_pll_c_freq_table[] = {
+	{ 12000000, 600000000, 600, 12, 1, 8 },
+	{ 13000000, 600000000, 600, 13, 1, 8 },
+	{ 19200000, 600000000, 500, 16, 1, 6 },
+	{ 26000000, 600000000, 600, 26, 1, 8 },
 	{ 0, 0, 0, 0, 0, 0 },
 };
 

arch/arm/mach-tegra/usb_phy.c

@@ -26,6 +26,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
+#include <linux/of_gpio.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 #include <asm/mach-types.h>
@@ -654,8 +655,8 @@ static void ulpi_phy_power_off(struct tegra_usb_phy *phy)
 	clk_disable(phy->clk);
 }
 
-struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
-			void *config, enum tegra_usb_phy_mode phy_mode)
+struct tegra_usb_phy *tegra_usb_phy_open(struct device *dev, int instance,
+	void __iomem *regs, void *config, enum tegra_usb_phy_mode phy_mode)
 {
 	struct tegra_usb_phy *phy;
 	struct tegra_ulpi_config *ulpi_config;
@@ -711,6 +712,16 @@ struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
 			err = -ENXIO;
 			goto err1;
 		}
+		if (!gpio_is_valid(ulpi_config->reset_gpio))
+			ulpi_config->reset_gpio =
+				of_get_named_gpio(dev->of_node,
+						  "nvidia,phy-reset-gpio", 0);
+		if (!gpio_is_valid(ulpi_config->reset_gpio)) {
+			pr_err("%s: invalid reset gpio: %d\n", __func__,
+			       ulpi_config->reset_gpio);
+			err = -EINVAL;
+			goto err1;
+		}
 		gpio_request(ulpi_config->reset_gpio, "ulpi_phy_reset_b");
 		gpio_direction_output(ulpi_config->reset_gpio, 0);
 		phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0);

drivers/usb/host/ehci-tegra.c

@@ -708,8 +708,9 @@ static int tegra_ehci_probe(struct platform_device *pdev)
 		}
 	}
 
-	tegra->phy = tegra_usb_phy_open(instance, hcd->regs, pdata->phy_config,
-						TEGRA_USB_PHY_MODE_HOST);
+	tegra->phy = tegra_usb_phy_open(&pdev->dev, instance, hcd->regs,
+					pdata->phy_config,
+					TEGRA_USB_PHY_MODE_HOST);
 	if (IS_ERR(tegra->phy)) {
 		dev_err(&pdev->dev, "Failed to open USB phy\n");
 		err = -ENXIO;