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ARM: imx: initialize gpt device type for DT boot

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Use different initialization function in CLOCKSOURCE_OF_DECLARE() to
initialize gpt device type for DT boot.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Shawn Guo 2015-05-15 13:38:20 +08:00
parent 0931aff722
commit bef11c881b
1 changed files with 46 additions and 9 deletions
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55
arch/arm/mach-imx/time.c
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@ -376,7 +376,7 @@ void __init mxc_timer_init(unsigned long pbase, int irq, enum imx_gpt_type type)
_mxc_timer_init(imxtm);
}
static void __init mxc_timer_init_dt(struct device_node *np)
static void __init mxc_timer_init_dt(struct device_node *np, enum imx_gpt_type type)
{
struct imx_timer *imxtm;
static int initialized;
@ -399,15 +399,52 @@ static void __init mxc_timer_init_dt(struct device_node *np)
if (IS_ERR(imxtm->clk_per))
imxtm->clk_per = of_clk_get_by_name(np, "per");
imxtm->type = type;
_mxc_timer_init(imxtm);
initialized = 1;
}
CLOCKSOURCE_OF_DECLARE(mx1_timer, "fsl,imx1-gpt", mxc_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(mx25_timer, "fsl,imx25-gpt", mxc_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(mx50_timer, "fsl,imx50-gpt", mxc_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(mx51_timer, "fsl,imx51-gpt", mxc_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(mx53_timer, "fsl,imx53-gpt", mxc_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(mx6q_timer, "fsl,imx6q-gpt", mxc_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(mx6sl_timer, "fsl,imx6sl-gpt", mxc_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(mx6sx_timer, "fsl,imx6sx-gpt", mxc_timer_init_dt);
static void __init imx1_timer_init_dt(struct device_node *np)
{
mxc_timer_init_dt(np, GPT_TYPE_IMX1);
}
static void __init imx21_timer_init_dt(struct device_node *np)
{
mxc_timer_init_dt(np, GPT_TYPE_IMX21);
}
static void __init imx31_timer_init_dt(struct device_node *np)
{
enum imx_gpt_type type = GPT_TYPE_IMX31;
/*
* We were using the same compatible string for i.MX6Q/D and i.MX6DL/S
* GPT device, while they actually have different programming model.
* This is a workaround to keep the existing i.MX6DL/S DTBs continue
* working with the new kernel.
*/
if (of_machine_is_compatible("fsl,imx6dl"))
type = GPT_TYPE_IMX6DL;
mxc_timer_init_dt(np, type);
}
static void __init imx6dl_timer_init_dt(struct device_node *np)
{
mxc_timer_init_dt(np, GPT_TYPE_IMX6DL);
}
CLOCKSOURCE_OF_DECLARE(imx1_timer, "fsl,imx1-gpt", imx1_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx21_timer, "fsl,imx21-gpt", imx21_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx31_timer, "fsl,imx31-gpt", imx31_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx25_timer, "fsl,imx25-gpt", imx31_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx50_timer, "fsl,imx50-gpt", imx31_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx51_timer, "fsl,imx51-gpt", imx31_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx53_timer, "fsl,imx53-gpt", imx31_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx6q_timer, "fsl,imx6q-gpt", imx31_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx6dl_timer, "fsl,imx6dl-gpt", imx6dl_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx6sl_timer, "fsl,imx6sl-gpt", imx6dl_timer_init_dt);
CLOCKSOURCE_OF_DECLARE(imx6sx_timer, "fsl,imx6sx-gpt", imx6dl_timer_init_dt);