| Message ID | 1356921918-12959-1-git-send-email-tobetter@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 12/31/2012 08:15 AM, Dongjin Kim wrote: > This patch adds EHCI device node on device tree for Exynos4 and defines its > default platform data, s5p_usb_phy_init and s5p_usb_phy_exit, so that those > function can be called from the driver. > > Signed-off-by: Dongjin Kim <tobetter@gmail.com> > --- > arch/arm/boot/dts/exynos4.dtsi | 7 +++++++ > arch/arm/mach-exynos/mach-exynos4-dt.c | 9 +++++++++ > 2 files changed, 16 insertions(+) [ ... ] > > +static struct s5p_ehci_platdata s5p_ehci_platdata = { > + .phy_init = s5p_usb_phy_init, > + .phy_exit = s5p_usb_phy_exit, > +}; > + Going by the recent development on Samsung USBPHY driver, we won't need these hooks once that patch gets accepted. [1] Patch for adding EHCI support for EXYNOS5-DT can be found here.[2] [1] https://patchwork.kernel.org/patch/1794651/ [2] https://patchwork.kernel.org/patch/1875491/ > /* > * The following lookup table is used to override device names when devices > * are registered from device tree. This is temporarily added to enable > @@ -80,6 +87,8 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = { > OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_MDMA1, "dma-pl330.2", NULL), > OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU, > "exynos-tmu", NULL), > + OF_DEV_AUXDATA("samsung,exynos-ehci", EXYNOS4_PA_EHCI, > + "s5p-ehci", &s5p_ehci_platdata), > {}, > }; > >
diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi index 92bca86..df1a9f0 100644 --- a/arch/arm/boot/dts/exynos4.dtsi +++ b/arch/arm/boot/dts/exynos4.dtsi @@ -140,6 +140,13 @@ status = "disabled"; }; + ehci@12580000 { + compatible = "samsung,exynos-ehci"; + reg = <0x12580000 0x100>; + interrupts = <0 70 0>; + status = "disabled"; + }; + serial@13800000 { compatible = "samsung,exynos4210-uart"; reg = <0x13800000 0x100>; diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c index 92757ff..c8a23f0 100644 --- a/arch/arm/mach-exynos/mach-exynos4-dt.c +++ b/arch/arm/mach-exynos/mach-exynos4-dt.c @@ -13,6 +13,7 @@ #include <linux/of_platform.h> #include <linux/serial_core.h> +#include <linux/platform_data/usb-ehci-s5p.h> #include <asm/mach/arch.h> #include <asm/hardware/gic.h> @@ -20,9 +21,15 @@ #include <plat/cpu.h> #include <plat/regs-serial.h> +#include <plat/usb-phy.h> #include "common.h" +static struct s5p_ehci_platdata s5p_ehci_platdata = { + .phy_init = s5p_usb_phy_init, + .phy_exit = s5p_usb_phy_exit, +}; + /* * The following lookup table is used to override device names when devices * are registered from device tree. This is temporarily added to enable @@ -80,6 +87,8 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_MDMA1, "dma-pl330.2", NULL), OF_DEV_AUXDATA("samsung,exynos4210-tmu", EXYNOS4_PA_TMU, "exynos-tmu", NULL), + OF_DEV_AUXDATA("samsung,exynos-ehci", EXYNOS4_PA_EHCI, + "s5p-ehci", &s5p_ehci_platdata), {}, };
This patch adds EHCI device node on device tree for Exynos4 and defines its default platform data, s5p_usb_phy_init and s5p_usb_phy_exit, so that those function can be called from the driver. Signed-off-by: Dongjin Kim <tobetter@gmail.com> --- arch/arm/boot/dts/exynos4.dtsi | 7 +++++++ arch/arm/mach-exynos/mach-exynos4-dt.c | 9 +++++++++ 2 files changed, 16 insertions(+)