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Second fixes for 4.4: 

- fix of a hardware setup that prevents the sd/mmc interface to show up on
   sama5d2.
 - proper selection of pinctrl drivers. PIO4 is necessary for the sama5d2 to
   boot.
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Merge tag 'at91-4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into fixes

Merge "Second fixes for 4.4" from Alexandre Belloni:

- fix of a hardware setup that prevents the sd/mmc interface to show up on
  sama5d2.
- proper selection of pinctrl drivers. PIO4 is necessary for the sama5d2 to
  boot.

* tag 'at91-4.4-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  ARM: at91: fix pinctrl driver selection
  ARM: at91/dt: add always-on to 1.8V regulator
This commit is contained in:
Arnd Bergmann 2015-12-11 00:22:11 +01:00
parent 789d73b384 8423536fe4
commit 9421a14597
3 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/boot/dts/at91-sama5d2_xplained.dts
View File

@ -184,6 +184,7 @@
regulator-name = "VDD_SDHC_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
};
};

6
arch/arm/mach-at91/Kconfig
View File

@ -4,7 +4,6 @@ menuconfig ARCH_AT91
select ARCH_REQUIRE_GPIOLIB
select COMMON_CLK_AT91
select PINCTRL
select PINCTRL_AT91
select SOC_BUS
if ARCH_AT91
@ -17,6 +16,7 @@ config SOC_SAMA5D2
select HAVE_AT91_USB_CLK
select HAVE_AT91_H32MX
select HAVE_AT91_GENERATED_CLK
select PINCTRL_AT91PIO4
help
Select this if ou are using one of Atmel's SAMA5D2 family SoC.
@ -27,6 +27,7 @@ config SOC_SAMA5D3
select HAVE_AT91_UTMI
select HAVE_AT91_SMD
select HAVE_AT91_USB_CLK
select PINCTRL_AT91
help
Select this if you are using one of Atmel's SAMA5D3 family SoC.
This support covers SAMA5D31, SAMA5D33, SAMA5D34, SAMA5D35, SAMA5D36.
@ -40,6 +41,7 @@ config SOC_SAMA5D4
select HAVE_AT91_SMD
select HAVE_AT91_USB_CLK
select HAVE_AT91_H32MX
select PINCTRL_AT91
help
Select this if you are using one of Atmel's SAMA5D4 family SoC.
@ -50,6 +52,7 @@ config SOC_AT91RM9200
select CPU_ARM920T
select HAVE_AT91_USB_CLK
select MIGHT_HAVE_PCI
select PINCTRL_AT91
select SOC_SAM_V4_V5
select SRAM if PM
help
@ -65,6 +68,7 @@ config SOC_AT91SAM9
select HAVE_AT91_UTMI
select HAVE_FB_ATMEL
select MEMORY
select PINCTRL_AT91
select SOC_SAM_V4_V5
select SRAM if PM
help

7
arch/arm/mach-at91/pm.c
View File

@ -41,8 +41,10 @@
* implementation should be moved down into the pinctrl driver and get
* called as part of the generic suspend/resume path.
*/
#ifdef CONFIG_PINCTRL_AT91
extern void at91_pinctrl_gpio_suspend(void);
extern void at91_pinctrl_gpio_resume(void);
#endif
static struct {
unsigned long uhp_udp_mask;
@ -151,8 +153,9 @@ static void at91_pm_suspend(suspend_state_t state)
static int at91_pm_enter(suspend_state_t state)
{
#ifdef CONFIG_PINCTRL_AT91
at91_pinctrl_gpio_suspend();
#endif
switch (state) {
/*
* Suspend-to-RAM is like STANDBY plus slow clock mode, so
@ -192,7 +195,9 @@ static int at91_pm_enter(suspend_state_t state)
error:
target_state = PM_SUSPEND_ON;
#ifdef CONFIG_PINCTRL_AT91
at91_pinctrl_gpio_resume();
#endif
return 0;
}