From 3abd7f68b28dcf6394c71c998376fc7bc92342c4 Mon Sep 17 00:00:00 2001 From: Tanmay Upadhyay Date: Wed, 20 Jul 2011 10:00:58 +0530 Subject: USB: pxa168: Add onchip USB host controller support - Add EHCI Host controller driver - Add wrapper that creates resources for host controller driver v2 - Call clk_put() after clk_disable() in probe function Signed-off-by: Tanmay Upadhyay Signed-off-by: Greg Kroah-Hartman --- arch/arm/mach-mmp/include/mach/pxa168.h | 7 +++++ arch/arm/mach-mmp/pxa168.c | 46 +++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-mmp/include/mach/pxa168.h b/arch/arm/mach-mmp/include/mach/pxa168.h index 7f005843a707..7fb568d2845b 100644 --- a/arch/arm/mach-mmp/include/mach/pxa168.h +++ b/arch/arm/mach-mmp/include/mach/pxa168.h @@ -35,6 +35,13 @@ extern struct pxa_device_desc pxa168_device_fb; extern struct pxa_device_desc pxa168_device_keypad; extern struct pxa_device_desc pxa168_device_eth; +struct pxa168_usb_pdata { + /* If NULL, default phy init routine for PXA168 would be called */ + int (*phy_init)(void __iomem *usb_phy_reg_base); +}; +/* pdata can be NULL */ +int __init pxa168_add_usb_host(struct pxa168_usb_pdata *pdata); + static inline int pxa168_add_uart(int id) { struct pxa_device_desc *d = NULL; diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 0156f535dae7..b2b280c517dd 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -25,6 +25,9 @@ #include #include #include +#include +#include +#include #include "common.h" #include "clock.h" @@ -83,6 +86,7 @@ static APBC_CLK(keypad, PXA168_KPC, 0, 32000); static APMU_CLK(nand, NAND, 0x19b, 156000000); static APMU_CLK(lcd, LCD, 0x7f, 312000000); static APMU_CLK(eth, ETH, 0x09, 0); +static APMU_CLK(usb, USB, 0x12, 0); /* device and clock bindings */ static struct clk_lookup pxa168_clkregs[] = { @@ -104,6 +108,7 @@ static struct clk_lookup pxa168_clkregs[] = { INIT_CLKREG(&clk_lcd, "pxa168-fb", NULL), INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL), INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"), + INIT_CLKREG(&clk_usb, "pxa168-ehci", "PXA168-USBCLK"), }; static int __init pxa168_init(void) @@ -169,3 +174,44 @@ PXA168_DEVICE(ssp5, "pxa168-ssp", 4, SSP5, 0xd4021000, 0x40, 60, 61); PXA168_DEVICE(fb, "pxa168-fb", -1, LCD, 0xd420b000, 0x1c8); PXA168_DEVICE(keypad, "pxa27x-keypad", -1, KEYPAD, 0xd4012000, 0x4c); PXA168_DEVICE(eth, "pxa168-eth", -1, MFU, 0xc0800000, 0x0fff); + +struct resource pxa168_usb_host_resources[] = { + /* USB Host conroller register base */ + [0] = { + .start = 0xd4209000, + .end = 0xd4209000 + 0x200, + .flags = IORESOURCE_MEM, + .name = "pxa168-usb-host", + }, + /* USB PHY register base */ + [1] = { + .start = 0xd4206000, + .end = 0xd4206000 + 0xff, + .flags = IORESOURCE_MEM, + .name = "pxa168-usb-phy", + }, + [2] = { + .start = IRQ_PXA168_USB2, + .end = IRQ_PXA168_USB2, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 pxa168_usb_host_dmamask = DMA_BIT_MASK(32); +struct platform_device pxa168_device_usb_host = { + .name = "pxa168-ehci", + .id = -1, + .dev = { + .dma_mask = &pxa168_usb_host_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + + .num_resources = ARRAY_SIZE(pxa168_usb_host_resources), + .resource = pxa168_usb_host_resources, +}; + +int __init pxa168_add_usb_host(struct pxa168_usb_pdata *pdata) +{ + pxa168_device_usb_host.dev.platform_data = pdata; + return platform_device_register(&pxa168_device_usb_host); +} -- cgit v1.2.3 From b3c3dc22366b15350281b1c273adecd2b91e320f Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Sun, 10 Jul 2011 12:22:20 +0300 Subject: usb: musb: fix build breakage This patch fixes the compilation brekage which commits 208466dc ("usb: otg:OMAP4430: Powerdown the internal PHY when USB is disabled") and fb91cde4 ("usb: musb: OMAP4430: Power down the PHY during board init") introduced when building a OMAP2-only kernel. LD .tmp_vmlinux1 arch/arm/mach-omap2/built-in.o:(.data+0x7ce0): undefined reference to +`omap4430_phy_init' arch/arm/mach-omap2/built-in.o:(.data+0x7ce4): undefined reference to +`omap4430_phy_exit' arch/arm/mach-omap2/built-in.o:(.data+0x7ce8): undefined reference to +`omap4430_phy_power' arch/arm/mach-omap2/built-in.o:(.data+0x7cec): undefined reference to +`omap4430_phy_set_clk' arch/arm/mach-omap2/built-in.o:(.data+0x7cf0): undefined reference to +`omap4430_phy_suspend' make: *** [.tmp_vmlinux1] Error 1 Reported-by: Paul Walmsley Signed-off-by: Felipe Balbi --- arch/arm/mach-omap2/Makefile | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index f34336560437..7317a2b39dd1 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -242,14 +242,11 @@ obj-$(CONFIG_MACH_IGEP0020) += board-igep0020.o \ obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK) += board-omap3touchbook.o \ hsmmc.o obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o \ - hsmmc.o \ - omap_phy_internal.o + hsmmc.o obj-$(CONFIG_MACH_OMAP4_PANDA) += board-omap4panda.o \ - hsmmc.o \ - omap_phy_internal.o + hsmmc.o -obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o \ - omap_phy_internal.o \ +obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o obj-$(CONFIG_MACH_CRANEBOARD) += board-am3517crane.o @@ -260,6 +257,8 @@ obj-$(CONFIG_MACH_TI8168EVM) += board-ti8168evm.o usbfs-$(CONFIG_ARCH_OMAP_OTG) := usb-fs.o obj-y += $(usbfs-m) $(usbfs-y) obj-y += usb-musb.o +obj-y += omap_phy_internal.o + obj-$(CONFIG_MACH_OMAP2_TUSB6010) += usb-tusb6010.o obj-y += usb-host.o -- cgit v1.2.3 From f427eb64f4c5433a91da5eb139970dd5cbad9082 Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Mon, 10 Oct 2011 22:06:12 -0700 Subject: usb: gadget: renesas_usbhs: support otg pin control some renesas_usbhs device is supporting OTG external device interface. In that device, it is necessary to control PWEN/EXTLP on DVSTCTR. This patch support it. But renesas_usbhs driver doesn't have OTG support for now. Signed-off-by: Kuninori Morimoto Signed-off-by: Felipe Balbi --- arch/arm/mach-shmobile/board-mackerel.c | 1 + drivers/usb/renesas_usbhs/common.c | 4 ++++ include/linux/usb/renesas_usbhs.h | 5 +++++ 3 files changed, 10 insertions(+) (limited to 'arch') diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c index 0ea71f8d4b89..c20612ea5d0e 100644 --- a/arch/arm/mach-shmobile/board-mackerel.c +++ b/arch/arm/mach-shmobile/board-mackerel.c @@ -808,6 +808,7 @@ static struct usbhs_private usbhs1_private = { }, .driver_param = { .buswait_bwait = 4, + .has_otg = 1, .pipe_type = usbhs1_pipe_cfg, .pipe_size = ARRAY_SIZE(usbhs1_pipe_cfg), }, diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index b327458f5cad..1161d78e1665 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -114,6 +114,10 @@ void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable) { u16 mask = DCFM | DRPD | DPRPU; u16 val = DCFM | DRPD; + int has_otg = usbhs_get_dparam(priv, has_otg); + + if (has_otg) + usbhs_bset(priv, DVSTCTR, (EXTLP | PWEN), (EXTLP | PWEN)); /* * if enable diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h index 040d8bb2b5a2..e5a40c318548 100644 --- a/include/linux/usb/renesas_usbhs.h +++ b/include/linux/usb/renesas_usbhs.h @@ -136,6 +136,11 @@ struct renesas_usbhs_driver_param { * pio <--> dma border. */ int pio_dma_border; /* default is 64byte */ + + /* + * option: + */ + u32 has_otg:1; /* for controlling PWEN/EXTLP */ }; /* -- cgit v1.2.3