diff options
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/Makefile | 6 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-4430sdp.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-n8x0.c | 5 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/board-omap4panda.c | 14 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock2420_data.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock2430_data.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock3xxx_data.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock44xx_data.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/omap_phy_internal.c | 149 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/usb-musb.c | 102 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/usb-tusb6010.c | 2 |
11 files changed, 283 insertions, 26 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 60e51bc..1948636 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -168,9 +168,11 @@ obj-$(CONFIG_MACH_IGEP0030) += board-igep0030.o \ obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK) += board-omap3touchbook.o \ hsmmc.o obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o \ - hsmmc.o + hsmmc.o \ + omap_phy_internal.o obj-$(CONFIG_MACH_OMAP4_PANDA) += board-omap4panda.o \ - hsmmc.o + hsmmc.o \ + omap_phy_internal.o obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index d7cb968..5aef695 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -238,10 +238,17 @@ static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_UTMI, - .mode = MUSB_PERIPHERAL, + .mode = MUSB_OTG, .power = 100, }; +static struct twl4030_usb_data omap4_usbphy_data = { + .phy_init = omap4430_phy_init, + .phy_exit = omap4430_phy_exit, + .phy_power = omap4430_phy_power, + .phy_set_clock = omap4430_phy_set_clk, +}; + static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, @@ -461,6 +468,7 @@ static struct twl4030_platform_data sdp4430_twldata = { .vaux1 = &sdp4430_vaux1, .vaux2 = &sdp4430_vaux2, .vaux3 = &sdp4430_vaux3, + .usb = &omap4_usbphy_data }; static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = { @@ -533,12 +541,7 @@ static void __init omap_4430sdp_init(void) gpio_direction_output(OMAP4SDP_MDM_PWR_EN_GPIO, 1); } usb_ehci_init(&ehci_pdata); - - /* OMAP4 SDP uses internal transceiver so register nop transceiver */ - usb_nop_xceiv_register(); - /* FIXME: allow multi-omap to boot until musb is updated for omap4 */ - if (!cpu_is_omap44xx()) - usb_musb_init(&musb_board_data); + usb_musb_init(&musb_board_data); status = omap_ethernet_init(); if (status) { diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index e823c70..62e3ea0 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -46,8 +46,7 @@ static struct device *mmc_device; #define TUSB6010_GPIO_ENABLE 0 #define TUSB6010_DMACHAN 0x3f -#if defined(CONFIG_USB_TUSB6010) || \ - defined(CONFIG_USB_TUSB6010_MODULE) +#ifdef CONFIG_USB_MUSB_TUSB6010 /* * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and * 1.5 V voltage regulators of PM companion chip. Companion chip will then @@ -134,7 +133,7 @@ err: static void __init n8x0_usb_init(void) {} -#endif /*CONFIG_USB_TUSB6010 */ +#endif /*CONFIG_USB_MUSB_TUSB6010 */ static struct omap2_mcspi_device_config p54spi_mcspi_config = { diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 1ecd0a6c..9207c58 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -133,10 +133,17 @@ error1: static struct omap_musb_board_data musb_board_data = { .interface_type = MUSB_INTERFACE_UTMI, - .mode = MUSB_PERIPHERAL, + .mode = MUSB_OTG, .power = 100, }; +static struct twl4030_usb_data omap4_usbphy_data = { + .phy_init = omap4430_phy_init, + .phy_exit = omap4430_phy_exit, + .phy_power = omap4430_phy_power, + .phy_set_clock = omap4430_phy_set_clk, +}; + static struct omap2_hsmmc_info mmc[] = { { .mmc = 1, @@ -345,6 +352,7 @@ static struct twl4030_platform_data omap4_panda_twldata = { .vaux1 = &omap4_panda_vaux1, .vaux2 = &omap4_panda_vaux2, .vaux3 = &omap4_panda_vaux3, + .usb = &omap4_usbphy_data, }; static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = { @@ -377,9 +385,7 @@ static void __init omap4_panda_init(void) /* OMAP4 Panda uses internal transceiver so register nop transceiver */ usb_nop_xceiv_register(); omap4_ehci_init(); - /* FIXME: allow multi-omap to boot until musb is updated for omap4 */ - if (!cpu_is_omap44xx()) - usb_musb_init(&musb_board_data); + usb_musb_init(&musb_board_data); } static void __init omap4_panda_map_io(void) diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c index 21f8562..831e25c 100644 --- a/arch/arm/mach-omap2/clock2420_data.c +++ b/arch/arm/mach-omap2/clock2420_data.c @@ -1877,7 +1877,7 @@ static struct omap_clk omap2420_clks[] = { CLK("omap-aes", "ick", &aes_ick, CK_242X), CLK(NULL, "pka_ick", &pka_ick, CK_242X), CLK(NULL, "usb_fck", &usb_fck, CK_242X), - CLK("musb_hdrc", "fck", &osc_ck, CK_242X), + CLK("musb-hdrc", "fck", &osc_ck, CK_242X), }; /* diff --git a/arch/arm/mach-omap2/clock2430_data.c b/arch/arm/mach-omap2/clock2430_data.c index e32afcb..a9c60b7 100644 --- a/arch/arm/mach-omap2/clock2430_data.c +++ b/arch/arm/mach-omap2/clock2430_data.c @@ -1983,7 +1983,7 @@ static struct omap_clk omap2430_clks[] = { CLK("omap-aes", "ick", &aes_ick, CK_243X), CLK(NULL, "pka_ick", &pka_ick, CK_243X), CLK(NULL, "usb_fck", &usb_fck, CK_243X), - CLK("musb_hdrc", "ick", &usbhs_ick, CK_243X), + CLK("musb-omap2430", "ick", &usbhs_ick, CK_243X), CLK("mmci-omap-hs.0", "ick", &mmchs1_ick, CK_243X), CLK("mmci-omap-hs.0", "fck", &mmchs1_fck, CK_243X), CLK("mmci-omap-hs.1", "ick", &mmchs2_ick, CK_243X), diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c index a04cb03..0579604 100644 --- a/arch/arm/mach-omap2/clock3xxx_data.c +++ b/arch/arm/mach-omap2/clock3xxx_data.c @@ -3306,8 +3306,8 @@ static struct omap_clk omap3xxx_clks[] = { CLK(NULL, "ssi_sst_fck", &ssi_sst_fck_3430es1, CK_3430ES1), CLK(NULL, "ssi_sst_fck", &ssi_sst_fck_3430es2, CK_3430ES2), CLK(NULL, "core_l3_ick", &core_l3_ick, CK_3XXX), - CLK("musb_hdrc", "ick", &hsotgusb_ick_3430es1, CK_3430ES1), - CLK("musb_hdrc", "ick", &hsotgusb_ick_3430es2, CK_3430ES2), + CLK("musb-omap2430", "ick", &hsotgusb_ick_3430es1, CK_3430ES1), + CLK("musb-omap2430", "ick", &hsotgusb_ick_3430es2, CK_3430ES2), CLK(NULL, "sdrc_ick", &sdrc_ick, CK_3XXX), CLK(NULL, "gpmc_fck", &gpmc_fck, CK_3XXX), CLK(NULL, "security_l3_ick", &security_l3_ick, CK_343X), @@ -3442,8 +3442,8 @@ static struct omap_clk omap3xxx_clks[] = { CLK("davinci_emac", "phy_clk", &emac_fck, CK_AM35XX), CLK("vpfe-capture", "master", &vpfe_ick, CK_AM35XX), CLK("vpfe-capture", "slave", &vpfe_fck, CK_AM35XX), - CLK("musb_hdrc", "ick", &hsotgusb_ick_am35xx, CK_AM35XX), - CLK("musb_hdrc", "fck", &hsotgusb_fck_am35xx, CK_AM35XX), + CLK("musb-am35x", "ick", &hsotgusb_ick_am35xx, CK_AM35XX), + CLK("musb-am35x", "fck", &hsotgusb_fck_am35xx, CK_AM35XX), CLK(NULL, "hecc_ck", &hecc_ck, CK_AM35XX), CLK(NULL, "uart4_ick", &uart4_ick_am35xx, CK_AM35XX), }; diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c index f473e89..bfcd19f 100644 --- a/arch/arm/mach-omap2/clock44xx_data.c +++ b/arch/arm/mach-omap2/clock44xx_data.c @@ -2953,7 +2953,7 @@ static struct omap_clk omap44xx_clks[] = { CLK("ehci-omap.0", "usbhost_ick", &dummy_ck, CK_443X), CLK(NULL, "otg_60m_gfclk", &otg_60m_gfclk, CK_443X), CLK(NULL, "usb_otg_hs_xclk", &usb_otg_hs_xclk, CK_443X), - CLK("musb_hdrc", "ick", &usb_otg_hs_ick, CK_443X), + CLK("musb-omap2430", "ick", &usb_otg_hs_ick, CK_443X), CLK(NULL, "usb_phy_cm_clk32k", &usb_phy_cm_clk32k, CK_443X), CLK(NULL, "usb_tll_hs_usb_ch2_clk", &usb_tll_hs_usb_ch2_clk, CK_443X), CLK(NULL, "usb_tll_hs_usb_ch0_clk", &usb_tll_hs_usb_ch0_clk, CK_443X), diff --git a/arch/arm/mach-omap2/omap_phy_internal.c b/arch/arm/mach-omap2/omap_phy_internal.c new file mode 100644 index 0000000..745252c --- /dev/null +++ b/arch/arm/mach-omap2/omap_phy_internal.c @@ -0,0 +1,149 @@ +/* + * This file configures the internal USB PHY in OMAP4430. Used + * with TWL6030 transceiver and MUSB on OMAP4430. + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Author: Hema HK <hemahk@ti.com> + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/usb.h> + +#include <plat/usb.h> + +/* OMAP control module register for UTMI PHY */ +#define CONTROL_DEV_CONF 0x300 +#define PHY_PD 0x1 + +#define USBOTGHS_CONTROL 0x33c +#define AVALID BIT(0) +#define BVALID BIT(1) +#define VBUSVALID BIT(2) +#define SESSEND BIT(3) +#define IDDIG BIT(4) + +static struct clk *phyclk, *clk48m, *clk32k; +static void __iomem *ctrl_base; + +int omap4430_phy_init(struct device *dev) +{ + ctrl_base = ioremap(OMAP443X_SCM_BASE, SZ_1K); + if (!ctrl_base) { + dev_err(dev, "control module ioremap failed\n"); + return -ENOMEM; + } + /* Power down the phy */ + __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); + phyclk = clk_get(dev, "ocp2scp_usb_phy_ick"); + + if (IS_ERR(phyclk)) { + dev_err(dev, "cannot clk_get ocp2scp_usb_phy_ick\n"); + iounmap(ctrl_base); + return PTR_ERR(phyclk); + } + + clk48m = clk_get(dev, "ocp2scp_usb_phy_phy_48m"); + if (IS_ERR(clk48m)) { + dev_err(dev, "cannot clk_get ocp2scp_usb_phy_phy_48m\n"); + clk_put(phyclk); + iounmap(ctrl_base); + return PTR_ERR(clk48m); + } + + clk32k = clk_get(dev, "usb_phy_cm_clk32k"); + if (IS_ERR(clk32k)) { + dev_err(dev, "cannot clk_get usb_phy_cm_clk32k\n"); + clk_put(phyclk); + clk_put(clk48m); + iounmap(ctrl_base); + return PTR_ERR(clk32k); + } + return 0; +} + +int omap4430_phy_set_clk(struct device *dev, int on) +{ + static int state; + + if (on && !state) { + /* Enable the phy clocks */ + clk_enable(phyclk); + clk_enable(clk48m); + clk_enable(clk32k); + state = 1; + } else if (state) { + /* Disable the phy clocks */ + clk_disable(phyclk); + clk_disable(clk48m); + clk_disable(clk32k); + state = 0; + } + return 0; +} + +int omap4430_phy_power(struct device *dev, int ID, int on) +{ + if (on) { + /* enabled the clocks */ + omap4430_phy_set_clk(dev, 1); + /* power on the phy */ + if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) { + __raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF); + mdelay(200); + } + if (ID) + /* enable VBUS valid, IDDIG groung */ + __raw_writel(AVALID | VBUSVALID, ctrl_base + + USBOTGHS_CONTROL); + else + /* + * Enable VBUS Valid, AValid and IDDIG + * high impedence + */ + __raw_writel(IDDIG | AVALID | VBUSVALID, + ctrl_base + USBOTGHS_CONTROL); + } else { + /* Enable session END and IDIG to high impedence. */ + __raw_writel(SESSEND | IDDIG, ctrl_base + + USBOTGHS_CONTROL); + /* Disable the clocks */ + omap4430_phy_set_clk(dev, 0); + /* Power down the phy */ + __raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF); + } + + return 0; +} + +int omap4430_phy_exit(struct device *dev) +{ + if (ctrl_base) + iounmap(ctrl_base); + if (phyclk) + clk_put(phyclk); + if (clk48m) + clk_put(clk48m); + if (clk32k) + clk_put(clk32k); + + return 0; +} diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 8dae0fa..5298949 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -30,8 +30,101 @@ #include <mach/irqs.h> #include <mach/am35xx.h> #include <plat/usb.h> +#include "control.h" -#ifdef CONFIG_USB_MUSB_SOC +#if defined(CONFIG_USB_MUSB_OMAP2PLUS) || defined (CONFIG_USB_MUSB_AM35X) + +static void am35x_musb_reset(void) +{ + u32 regval; + + /* Reset the musb interface */ + regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); + + regval |= AM35XX_USBOTGSS_SW_RST; + omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); + + regval &= ~AM35XX_USBOTGSS_SW_RST; + omap_ctrl_writel(regval, AM35XX_CONTROL_IP_SW_RESET); + + regval = omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); +} + +static void am35x_musb_phy_power(u8 on) +{ + unsigned long timeout = jiffies + msecs_to_jiffies(100); + u32 devconf2; + + if (on) { + /* + * Start the on-chip PHY and its PLL. + */ + devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + devconf2 &= ~(CONF2_RESET | CONF2_PHYPWRDN | CONF2_OTGPWRDN); + devconf2 |= CONF2_PHY_PLLON; + + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); + + pr_info(KERN_INFO "Waiting for PHY clock good...\n"); + while (!(omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2) + & CONF2_PHYCLKGD)) { + cpu_relax(); + + if (time_after(jiffies, timeout)) { + pr_err(KERN_ERR "musb PHY clock good timed out\n"); + break; + } + } + } else { + /* + * Power down the on-chip PHY. + */ + devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + devconf2 &= ~CONF2_PHY_PLLON; + devconf2 |= CONF2_PHYPWRDN | CONF2_OTGPWRDN; + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); + } +} + +static void am35x_musb_clear_irq(void) +{ + u32 regval; + + regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); + regval |= AM35XX_USBOTGSS_INT_CLR; + omap_ctrl_writel(regval, AM35XX_CONTROL_LVL_INTR_CLEAR); + regval = omap_ctrl_readl(AM35XX_CONTROL_LVL_INTR_CLEAR); +} + +static void am35x_musb_set_mode(u8 musb_mode) +{ + u32 devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + devconf2 &= ~CONF2_OTGMODE; + switch (musb_mode) { +#ifdef CONFIG_USB_MUSB_HDRC_HCD + case MUSB_HOST: /* Force VBUS valid, ID = 0 */ + devconf2 |= CONF2_FORCE_HOST; + break; +#endif +#ifdef CONFIG_USB_GADGET_MUSB_HDRC + case MUSB_PERIPHERAL: /* Force VBUS valid, ID = 1 */ + devconf2 |= CONF2_FORCE_DEVICE; + break; +#endif +#ifdef CONFIG_USB_MUSB_OTG + case MUSB_OTG: /* Don't override the VBUS/ID comparators */ + devconf2 |= CONF2_NO_OVERRIDE; + break; +#endif + default: + pr_info(KERN_INFO "Unsupported mode %u\n", musb_mode); + } + + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); +} static struct resource musb_resources[] = { [0] = { /* start and end set dynamically */ @@ -77,7 +170,7 @@ static struct musb_hdrc_platform_data musb_plat = { static u64 musb_dmamask = DMA_BIT_MASK(32); static struct platform_device musb_device = { - .name = "musb_hdrc", + .name = "musb-omap2430", .id = -1, .dev = { .dma_mask = &musb_dmamask, @@ -93,8 +186,13 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data) if (cpu_is_omap243x()) { musb_resources[0].start = OMAP243X_HS_BASE; } else if (cpu_is_omap3517() || cpu_is_omap3505()) { + musb_device.name = "musb-am35x"; musb_resources[0].start = AM35XX_IPSS_USBOTGSS_BASE; musb_resources[1].start = INT_35XX_USBOTG_IRQ; + board_data->set_phy_power = am35x_musb_phy_power; + board_data->clear_irq = am35x_musb_clear_irq; + board_data->set_mode = am35x_musb_set_mode; + board_data->reset = am35x_musb_reset; } else if (cpu_is_omap34xx()) { musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE; } else if (cpu_is_omap44xx()) { diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c index 64a0112..7cb3c18 100644 --- a/arch/arm/mach-omap2/usb-tusb6010.c +++ b/arch/arm/mach-omap2/usb-tusb6010.c @@ -223,7 +223,7 @@ static struct resource tusb_resources[] = { static u64 tusb_dmamask = ~(u32)0; static struct platform_device tusb_device = { - .name = "musb_hdrc", + .name = "musb-tusb", .id = -1, .dev = { .dma_mask = &tusb_dmamask, |