redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ARM: at91: pm: Tie the USB clock mask to the pmc 

The USB clocks mask (uhp_udp_mask) depends on the pmc. Tie it to the pmc id
instead of the SoC.

Acked-by: Wenyou Yang <wenyou.yang@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
hifive-unleashed-5.1
Alexandre Belloni 2017-02-01 23:35:18 +01:00
parent aab02d611f
commit 13f16017d3
1 changed files with 23 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
arch/arm/mach-at91/pm.c
View File

@ -442,31 +442,46 @@ static void __init at91_pm_sram_init(void)
&at91_pm_suspend_in_sram, at91_pm_suspend_in_sram_sz);
}
struct pmc_info {
unsigned long uhp_udp_mask;
};
static const struct pmc_info pmc_infos[] __initconst = {
{ .uhp_udp_mask = AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP },
{ .uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP },
{ .uhp_udp_mask = AT91SAM926x_PMC_UHP },
};
static const struct of_device_id atmel_pmc_ids[] __initconst = {
{ .compatible = "atmel,at91rm9200-pmc" },
{ .compatible = "atmel,at91sam9260-pmc" },
{ .compatible = "atmel,at91sam9g45-pmc" },
{ .compatible = "atmel,at91sam9n12-pmc" },
{ .compatible = "atmel,at91sam9x5-pmc" },
{ .compatible = "atmel,sama5d3-pmc" },
{ .compatible = "atmel,sama5d2-pmc" },
{ .compatible = "atmel,at91rm9200-pmc", .data = &pmc_infos[0] },
{ .compatible = "atmel,at91sam9260-pmc", .data = &pmc_infos[1] },
{ .compatible = "atmel,at91sam9g45-pmc", .data = &pmc_infos[2] },
{ .compatible = "atmel,at91sam9n12-pmc", .data = &pmc_infos[1] },
{ .compatible = "atmel,at91sam9x5-pmc", .data = &pmc_infos[1] },
{ .compatible = "atmel,sama5d3-pmc", .data = &pmc_infos[1] },
{ .compatible = "atmel,sama5d2-pmc", .data = &pmc_infos[1] },
{ /* sentinel */ },
};
static void __init at91_pm_init(void (*pm_idle)(void))
{
struct device_node *pmc_np;
const struct of_device_id *of_id;
const struct pmc_info *pmc;
if (at91_cpuidle_device.dev.platform_data)
platform_device_register(&at91_cpuidle_device);
pmc_np = of_find_matching_node(NULL, atmel_pmc_ids);
pmc_np = of_find_matching_node_and_match(NULL, atmel_pmc_ids, &of_id);
pm_data.pmc = of_iomap(pmc_np, 0);
if (!pm_data.pmc) {
pr_err("AT91: PM not supported, PMC not found\n");
return;
}
pmc = of_id->data;
pm_data.uhp_udp_mask = pmc->uhp_udp_mask;
if (pm_idle)
arm_pm_idle = pm_idle;
@ -487,35 +502,29 @@ void __init at91rm9200_pm_init(void)
*/
at91_ramc_write(0, AT91_MC_SDRAMC_LPR, 0);
pm_data.uhp_udp_mask = AT91RM9200_PMC_UHP | AT91RM9200_PMC_UDP;
at91_pm_init(at91rm9200_idle);
}
void __init at91sam9260_pm_init(void)
{
at91_dt_ramc();
pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP;
at91_pm_init(at91sam9_idle);
}
void __init at91sam9g45_pm_init(void)
{
at91_dt_ramc();
pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP;
at91_pm_init(at91sam9_idle);
}
void __init at91sam9x5_pm_init(void)
{
at91_dt_ramc();
pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP;
at91_pm_init(at91sam9_idle);
}
void __init sama5_pm_init(void)
{
at91_dt_ramc();
pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP;
at91_pm_init(NULL);
}