From: Simon Horman <horms@verge.net.au>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH 3/4 v2] RM: shmobile: r8a7778: add r8a7778_add_usb_func_device()
Date: Wed, 10 Jul 2013 07:45:42 +0000 [thread overview]
Message-ID: <20130710074541.GC7313@verge.net.au> (raw)
In-Reply-To: <87siznuozu.wl%kuninori.morimoto.gx@renesas.com>
On Tue, Jul 09, 2013 at 10:20:50PM -0700, Kuninori Morimoto wrote:
>
> Hi Simon
>
> This Subject is using "RM", but it should be "ARM"
> Can I send v3 ?
Yes, please do.
> > This patch adds USB Function (= renesas_usbhs) driver support.
> > r8a7778_add_usb_phy_device() should be called from .init_machine,
> > r8a7778_add_usb_func_device() should be called from .init_late
> > when platform use it.
> >
> > This r8a7778_add_usb_func_device() will fill
> > renesas_usbhs_platform_info::platform_callback.get_id and
> > renesas_usbhs_platform_info::platform_callback.power_ctrl
> > if these callbacks were NULL, since these don't depend
> > on platform basically.
> >
> > Tested-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
> > ---
> > v1 -> v2
> >
> > - no change
> >
> > arch/arm/mach-shmobile/clock-r8a7778.c | 1 +
> > arch/arm/mach-shmobile/include/mach/r8a7778.h | 2 ++
> > arch/arm/mach-shmobile/setup-r8a7778.c | 39 +++++++++++++++++++++++++
> > 3 files changed, 42 insertions(+)
> >
> > diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
> > index 53798e5..0d34282 100644
> > --- a/arch/arm/mach-shmobile/clock-r8a7778.c
> > +++ b/arch/arm/mach-shmobile/clock-r8a7778.c
> > @@ -148,6 +148,7 @@ static struct clk_lookup lookups[] = {
> > CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP114]), /* Ether */
> > CLKDEV_DEV_ID("ehci-platform", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */
> > CLKDEV_DEV_ID("ohci-platform", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */
> > + CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP100]), /* USB FUNC */
> > CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */
> > CLKDEV_DEV_ID("i2c-rcar.1", &mstp_clks[MSTP029]), /* I2C1 */
> > CLKDEV_DEV_ID("i2c-rcar.2", &mstp_clks[MSTP028]), /* I2C2 */
> > diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h
> > index 54e0132..5d894fd 100644
> > --- a/arch/arm/mach-shmobile/include/mach/r8a7778.h
> > +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h
> > @@ -22,6 +22,7 @@
> > #include <linux/mmc/sh_mobile_sdhi.h>
> > #include <linux/sh_eth.h>
> > #include <linux/platform_data/usb-rcar-phy.h>
> > +#include <linux/usb/renesas_usbhs.h>
> >
> > extern void r8a7778_add_standard_devices(void);
> > extern void r8a7778_add_standard_devices_dt(void);
> > @@ -32,6 +33,7 @@ extern void r8a7778_add_hspi_device(int id);
> > extern void r8a7778_add_mmc_device(struct sh_mmcif_plat_data *info);
> > extern void r8a7778_add_usb_phy_device(struct rcar_phy_platform_data *pdata);
> > extern void r8a7778_add_usb_host_device(void);
> > +extern void r8a7778_add_usb_func_device(struct renesas_usbhs_platform_info *info);
> >
> > extern void r8a7778_init_late(void);
> > extern void r8a7778_init_delay(void);
> > diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
> > index 9ea1e25..b059ccd 100644
> > --- a/arch/arm/mach-shmobile/setup-r8a7778.c
> > +++ b/arch/arm/mach-shmobile/setup-r8a7778.c
> > @@ -153,6 +153,7 @@ static void usb_power_off(struct platform_device *pdev)
> > pm_runtime_disable(&pdev->dev);
> > }
> >
> > +/* USB HOST */
> > static int ehci_init_internal_buffer(struct usb_hcd *hcd)
> > {
> > /*
> > @@ -211,6 +212,44 @@ void __init r8a7778_add_usb_host_device(void)
> > platform_device_register_full(&ohci_info);
> > }
> >
> > +/* USB Func */
> > +static int usbhsf_get_id(struct platform_device *pdev)
> > +{
> > + return USBHS_GADGET;
> > +}
> > +
> > +#define SUSPMODE 0x102
> > +static int usbhsf_power_ctrl(struct platform_device *pdev,
> > + void __iomem *base, int enable)
> > +{
> > + enable = !!enable;
> > +
> > + r8a7778_usb_phy_power(enable);
> > +
> > + iowrite16(enable << 14, base + SUSPMODE);
> > +
> > + return 0;
> > +}
> > +
> > +static struct resource usbhsf_resources[] __initdata = {
> > + DEFINE_RES_MEM(0xffe60000, 0x110),
> > + DEFINE_RES_IRQ(gic_iid(0x4f)),
> > +};
> > +
> > +void __init
> > +r8a7778_add_usb_func_device(struct renesas_usbhs_platform_info *info)
> > +{
> > + if (!info->platform_callback.get_id)
> > + info->platform_callback.get_id = usbhsf_get_id;
> > + if (!info->platform_callback.power_ctrl)
> > + info->platform_callback.power_ctrl = usbhsf_power_ctrl;
> > +
> > + platform_device_register_resndata(&platform_bus, "renesas_usbhs", -1,
> > + usbhsf_resources,
> > + ARRAY_SIZE(usbhsf_resources),
> > + info, sizeof(*info));
> > +}
> > +
> > /* Ether */
> > static struct resource ether_resources[] __initdata = {
> > DEFINE_RES_MEM(0xfde00000, 0x400),
> > --
> > 1.7.9.5
> >
>
>
> Best regards
> ---
> Kuninori Morimoto
>
next prev parent reply other threads:[~2013-07-10 7:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-10 2:29 [PATCH 3/4 v2] RM: shmobile: r8a7778: add r8a7778_add_usb_func_device() Kuninori Morimoto
2013-07-10 5:20 ` Kuninori Morimoto
2013-07-10 7:45 ` Simon Horman [this message]
2013-07-10 12:02 ` Sergei Shtylyov
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