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Merge tag 'at91-ab-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into fixes

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Fixes for 4.11:

 - Fix USB host for sama5d2
 - Fix cpuidle on sama5

* tag 'at91-ab-4.11-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  ARM: at91: pm: cpu_idle: switch DDR to power-down mode
  Revert "ARM: at91/dt: sama5d2: Use new compatible for ohci node"

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson
2017-03-21 17:32:54 -07:00
parent 6014ce8559 60b89f1928
commit 6479ca8e59
2 changed files with 18 additions and 2 deletions
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2
arch/arm/boot/dts/sama5d2.dtsi
View File

@@ -266,7 +266,7 @@ ep@15 {
};
usb1: ohci@00400000 {
compatible = "atmel,sama5d2-ohci", "usb-ohci";
compatible = "atmel,at91rm9200-ohci", "usb-ohci";
reg = <0x00400000 0x100000>;
interrupts = <41 IRQ_TYPE_LEVEL_HIGH 2>;
clocks = <&uhphs_clk>, <&uhphs_clk>, <&uhpck>;

18
arch/arm/mach-at91/pm.c
View File

@@ -289,6 +289,22 @@ static void at91_ddr_standby(void)
at91_ramc_write(1, AT91_DDRSDRC_LPR, saved_lpr1);
}
static void sama5d3_ddr_standby(void)
{
u32 lpr0;
u32 saved_lpr0;
saved_lpr0 = at91_ramc_read(0, AT91_DDRSDRC_LPR);
lpr0 = saved_lpr0 & ~AT91_DDRSDRC_LPCB;
lpr0 |= AT91_DDRSDRC_LPCB_POWER_DOWN;
at91_ramc_write(0, AT91_DDRSDRC_LPR, lpr0);
cpu_do_idle();
at91_ramc_write(0, AT91_DDRSDRC_LPR, saved_lpr0);
}
/* We manage both DDRAM/SDRAM controllers, we need more than one value to
* remember.
*/
@@ -323,7 +339,7 @@ static const struct of_device_id const ramc_ids[] __initconst = {
{ .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby },
{ .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby },
{ .compatible = "atmel,at91sam9g45-ddramc", .data = at91_ddr_standby },
{ .compatible = "atmel,sama5d3-ddramc", .data = at91_ddr_standby },
{ .compatible = "atmel,sama5d3-ddramc", .data = sama5d3_ddr_standby },
{ /*sentinel*/ }
};