* Roger Quadros <rogerq@xxxxxx> [130618 04:17]:
> Till the OMAP clocks are correctly defined in device tree, use
> this temporary hack to provide clock alias to the USB PHY clocks.
>
> Without this, USB Host & Ethernet will not be functional with
> device tree boots on Panda and uEVM.
Thanks, this looks OK to me to have USB working until we have the
DT defined clock patches ready.
The $Subject needs updating though, just make it ARM: OMAP2+: and
leave out the dts and hack from there.
Regards,
Tony
> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> ---
> arch/arm/mach-omap2/board-generic.c | 23 ++++++++++++++++++++++-
> 1 files changed, 22 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c
> index 88aa6b1..2b2d0de 100644
> --- a/arch/arm/mach-omap2/board-generic.c
> +++ b/arch/arm/mach-omap2/board-generic.c
> @@ -15,6 +15,7 @@
> #include <linux/of_irq.h>
> #include <linux/of_platform.h>
> #include <linux/irqdomain.h>
> +#include <linux/clk.h>
>
> #include <asm/mach/arch.h>
>
> @@ -35,6 +36,21 @@ static struct of_device_id omap_dt_match_table[] __initdata = {
> { }
> };
>
> +/*
> + * HACK: create alias for USB host PHY clock.
> + * Remove this when clock phandle can be provided via DT
> + */
> +static void __init legacy_init_ehci_clk(char *clkname)
> +{
> + int ret;
> +
> + ret = clk_add_alias("main_clk", NULL, clkname, NULL);
> + if (ret) {
> + pr_err("%s:Failed to add main_clk alias to %s :%d\n",
> + __func__, clkname, ret);
> + }
> +}
> +
> static void __init omap_generic_init(void)
> {
> omap_sdrc_init(NULL, NULL);
> @@ -45,10 +61,15 @@ static void __init omap_generic_init(void)
> * HACK: call display setup code for selected boards to enable omapdss.
> * This will be removed when omapdss supports DT.
> */
> - if (of_machine_is_compatible("ti,omap4-panda"))
> + if (of_machine_is_compatible("ti,omap4-panda")) {
> omap4_panda_display_init_of();
> + legacy_init_ehci_clk("auxclk3_ck");
> +
> + }
> else if (of_machine_is_compatible("ti,omap4-sdp"))
> omap_4430sdp_display_init_of();
> + else if (of_machine_is_compatible("ti,omap5-uevm"))
> + legacy_init_ehci_clk("auxclk1_ck");
> }
>
> #ifdef CONFIG_SOC_OMAP2420
> --
> 1.7.4.1
>
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