* [PATCH 0/4] ARM: at91: pm: add ULP1 mode support
@ 2016-01-28 10:19 Wenyou Yang
2016-01-28 10:19 ` [PATCH 1/4] ARM: at91: pm: create a separate procedure for the ULP0 mode Wenyou Yang
` (3 more replies)
0 siblings, 4 replies; 7+ messages in thread
From: Wenyou Yang @ 2016-01-28 10:19 UTC (permalink / raw)
To: Nicolas Ferre, Alexandre Belloni,
Jean-Christophe Plagniol-Villard, Russell King
Cc: linux-clk, Rob Herring, Pawel Moll, Mark Brown, Ian Campbell,
Kumar Gala, linux-arm-kernel, linux-kernel, devicetree,
Wenyou Yang
The ULP1 (Ultra Low-power mode 1) is introduced by SAMA5D2.
In order to achieve the lowest power consumption, in the ULP1 mode,
all the clocks are shut off, inclusive the embedded 12MHz RC oscillator.
The fast startup signal is used as a wake up source for ULP1 mode.
As soon as the wake up event is asserted, the embedded 12MHz RC
oscillator restarts automatically, which fast startup signal
to trigger the PMC to wake up the system from the ULP1 mode can be
configured via DT.
It is based on the following patch set:
http://lists.infradead.org/pipermail/linux-arm-kernel/2015-December/390954.html
Wenyou Yang (4):
ARM: at91: pm: create a separate procedure for the ULP0 mode
ARM: at91: pm: add ULP1 mode support
ARM: at91: pm: configure PMC fast startup signals
Documentation: atmel-at91: add DT bindings for fast startup
.../devicetree/bindings/arm/atmel-pmc.txt | 74 +++++++++
arch/arm/mach-at91/pm.c | 112 +++++++++++++-
arch/arm/mach-at91/pm.h | 7 +
arch/arm/mach-at91/pm_suspend.S | 158 +++++++++++++++++---
include/linux/clk/at91_pmc.h | 36 +++++
5 files changed, 362 insertions(+), 25 deletions(-)
--
1.7.9.5
^ permalink raw reply [flat|nested] 7+ messages in thread* [PATCH 1/4] ARM: at91: pm: create a separate procedure for the ULP0 mode 2016-01-28 10:19 [PATCH 0/4] ARM: at91: pm: add ULP1 mode support Wenyou Yang @ 2016-01-28 10:19 ` Wenyou Yang [not found] ` <1453976356-24391-1-git-send-email-wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> ` (2 subsequent siblings) 3 siblings, 0 replies; 7+ messages in thread From: Wenyou Yang @ 2016-01-28 10:19 UTC (permalink / raw) To: Nicolas Ferre, Alexandre Belloni, Jean-Christophe Plagniol-Villard, Russell King Cc: linux-clk, Rob Herring, Pawel Moll, Mark Brown, Ian Campbell, Kumar Gala, linux-arm-kernel, linux-kernel, devicetree, Wenyou Yang To make the code more legible and prepare to add the ULP1 mode support in the future, create a separate procedure for the ULP0 mode. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> --- arch/arm/mach-at91/pm_suspend.S | 65 ++++++++++++++++++++++++--------------- 1 file changed, 40 insertions(+), 25 deletions(-) diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index a25defd..5fcffdc 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -107,7 +107,7 @@ ENTRY(at91_pm_suspend_in_sram) ldr r0, .pm_mode tst r0, #AT91_PM_SLOW_CLOCK - beq skip_disable_main_clock + beq standby_mode ldr pmc, .pmc_base @@ -131,32 +131,13 @@ ENTRY(at91_pm_suspend_in_sram) orr tmp1, tmp1, #(1 << 29) /* bit 29 always set */ str tmp1, [pmc, #AT91_CKGR_PLLAR] - /* Turn off the main oscillator */ - ldr tmp1, [pmc, #AT91_CKGR_MOR] - bic tmp1, tmp1, #AT91_PMC_MOSCEN - orr tmp1, tmp1, #AT91_PMC_KEY - str tmp1, [pmc, #AT91_CKGR_MOR] - -skip_disable_main_clock: - ldr pmc, .pmc_base - - /* Wait for interrupt */ - at91_cpu_idle - - ldr r0, .pm_mode - tst r0, #AT91_PM_SLOW_CLOCK - beq skip_enable_main_clock +ulp0_mode: + bl at91_pm_ulp0_mode + b ulp_exit +ulp_exit: ldr pmc, .pmc_base - /* Turn on the main oscillator */ - ldr tmp1, [pmc, #AT91_CKGR_MOR] - orr tmp1, tmp1, #AT91_PMC_MOSCEN - orr tmp1, tmp1, #AT91_PMC_KEY - str tmp1, [pmc, #AT91_CKGR_MOR] - - wait_moscrdy - /* Restore PLLA setting */ ldr tmp1, .saved_pllar str tmp1, [pmc, #AT91_CKGR_PLLAR] @@ -177,7 +158,15 @@ skip_disable_main_clock: wait_mckrdy -skip_enable_main_clock: + b pm_exit + +standby_mode: + ldr pmc, .pmc_base + + /* Wait for interrupt */ + at91_cpu_idle + +pm_exit: /* Exit the self-refresh mode */ mov r0, #SRAMC_SELF_FRESH_EXIT bl at91_sramc_self_refresh @@ -311,6 +300,32 @@ exit_sramc_sf: mov pc, lr ENDPROC(at91_sramc_self_refresh) +/* + * void at91_pm_ulp0_mode(void) + */ +ENTRY(at91_pm_ulp0_mode) + ldr pmc, .pmc_base + + /* Turn off the crystal oscillator */ + ldr tmp1, [pmc, #AT91_CKGR_MOR] + bic tmp1, tmp1, #AT91_PMC_MOSCEN + orr tmp1, tmp1, #AT91_PMC_KEY + str tmp1, [pmc, #AT91_CKGR_MOR] + + /* Wait for interrupt */ + at91_cpu_idle + + /* Turn on the crystal oscillator */ + ldr tmp1, [pmc, #AT91_CKGR_MOR] + orr tmp1, tmp1, #AT91_PMC_MOSCEN + orr tmp1, tmp1, #AT91_PMC_KEY + str tmp1, [pmc, #AT91_CKGR_MOR] + + wait_moscrdy + + mov pc, lr +ENDPROC(at91_pm_ulp0_mode) + .pmc_base: .word 0 .sramc_base: -- 1.7.9.5 ^ permalink raw reply related [flat|nested] 7+ messages in thread
[parent not found: <1453976356-24391-1-git-send-email-wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>]
* [PATCH 2/4] ARM: at91: pm: add ULP1 mode support [not found] ` <1453976356-24391-1-git-send-email-wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> @ 2016-01-28 10:19 ` Wenyou Yang 0 siblings, 0 replies; 7+ messages in thread From: Wenyou Yang @ 2016-01-28 10:19 UTC (permalink / raw) To: Nicolas Ferre, Alexandre Belloni, Jean-Christophe Plagniol-Villard, Russell King Cc: linux-clk-u79uwXL29TY76Z2rM5mHXA, Rob Herring, Pawel Moll, Mark Brown, Ian Campbell, Kumar Gala, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r, linux-kernel-u79uwXL29TY76Z2rM5mHXA, devicetree-u79uwXL29TY76Z2rM5mHXA, Wenyou Yang The ULP1 (Ultra Low-power mode 1) is introduced by SAMA5D2. In the ULP1 mode, all the clocks are shut off, inclusive the embedded 12MHz RC oscillator, so as to achieve the lowest power consumption with the system in retention mode and able to resume on the wake up events. As soon as the wake up event is asserted, the embedded 12MHz RC oscillator restarts automatically. Signed-off-by: Wenyou Yang <wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> --- arch/arm/mach-at91/pm.c | 16 ++++++- arch/arm/mach-at91/pm.h | 7 +++ arch/arm/mach-at91/pm_suspend.S | 97 +++++++++++++++++++++++++++++++++++++++ include/linux/clk/at91_pmc.h | 4 ++ 4 files changed, 122 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index f82df15..a7aec35 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -36,6 +36,11 @@ #include "generic.h" #include "pm.h" +#define ULP0_MODE 0x00 +#define ULP1_MODE 0x11 + +#define SAMA5D2_PMC_VERSION 0x20540 + void __iomem *pmc; /* @@ -52,6 +57,7 @@ extern void at91_pinctrl_gpio_resume(void); static struct { unsigned long uhp_udp_mask; int memctrl; + u32 ulp_mode; } at91_pm_data; void __iomem *at91_ramc_base[2]; @@ -141,8 +147,11 @@ static void at91_pm_suspend(suspend_state_t state) { unsigned int pm_data = at91_pm_data.memctrl; - pm_data |= (state == PM_SUSPEND_MEM) ? - AT91_PM_MODE(AT91_PM_SLOW_CLOCK) : 0; + if (state == PM_SUSPEND_MEM) { + pm_data |= AT91_PM_MODE(AT91_PM_SLOW_CLOCK); + if (at91_pm_data.ulp_mode == ULP1_MODE) + pm_data |= AT91_PM_ULP(AT91_PM_ULP1_MODE); + } flush_cache_all(); outer_disable(); @@ -497,4 +506,7 @@ void __init sama5_pm_init(void) at91_pm_data.uhp_udp_mask = AT91SAM926x_PMC_UHP | AT91SAM926x_PMC_UDP; at91_pm_data.memctrl = AT91_MEMCTRL_DDRSDR; at91_pm_init(NULL); + + if (readl(pmc + AT91_PMC_VERSION) >= SAMA5D2_PMC_VERSION) + at91_pm_data.ulp_mode = ULP1_MODE; } diff --git a/arch/arm/mach-at91/pm.h b/arch/arm/mach-at91/pm.h index 3fcf881..2e76745 100644 --- a/arch/arm/mach-at91/pm.h +++ b/arch/arm/mach-at91/pm.h @@ -39,4 +39,11 @@ extern void __iomem *at91_ramc_base[]; #define AT91_PM_SLOW_CLOCK 0x01 +#define AT91_PM_ULP_OFFSET 5 +#define AT91_PM_ULP_MASK 0x03 +#define AT91_PM_ULP(x) (((x) & AT91_PM_ULP_MASK) << AT91_PM_ULP_OFFSET) + +#define AT91_PM_ULP0_MODE 0x00 +#define AT91_PM_ULP1_MODE 0x01 + #endif diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S index 5fcffdc..20f4303 100644 --- a/arch/arm/mach-at91/pm_suspend.S +++ b/arch/arm/mach-at91/pm_suspend.S @@ -41,6 +41,15 @@ tmp2 .req r5 .endm /* + * Wait for main oscillator selection is done + */ + .macro wait_moscsels +1: ldr tmp1, [pmc, #AT91_PMC_SR] + tst tmp1, #AT91_PMC_MOSCSELS + beq 1b + .endm + +/* * Wait until PLLA has locked. */ .macro wait_pllalock @@ -101,6 +110,10 @@ ENTRY(at91_pm_suspend_in_sram) and r0, r0, #AT91_PM_MODE_MASK str r0, .pm_mode + lsr r0, r3, #AT91_PM_ULP_OFFSET + and r0, r0, #AT91_PM_ULP_MASK + str r0, .ulp_mode + /* Active the self-refresh mode */ mov r0, #SRAMC_SELF_FRESH_ACTIVE bl at91_sramc_self_refresh @@ -131,6 +144,13 @@ ENTRY(at91_pm_suspend_in_sram) orr tmp1, tmp1, #(1 << 29) /* bit 29 always set */ str tmp1, [pmc, #AT91_CKGR_PLLAR] + ldr r0, .ulp_mode + tst r0, #AT91_PM_ULP1_MODE + beq ulp0_mode + + bl at91_pm_ulp1_mode + b pm_exit + ulp0_mode: bl at91_pm_ulp0_mode b ulp_exit @@ -326,6 +346,81 @@ ENTRY(at91_pm_ulp0_mode) mov pc, lr ENDPROC(at91_pm_ulp0_mode) +/* + * void at91_pm_ulp1_mode(void) + */ +ENTRY(at91_pm_ulp1_mode) + ldr pmc, .pmc_base + + /* Switch the main clock source to 12-MHz RC oscillator */ + ldr tmp1, [pmc, #AT91_CKGR_MOR] + bic tmp1, tmp1, #AT91_PMC_MOSCSEL + bic tmp1, tmp1, #AT91_PMC_KEY_MASK + orr tmp1, tmp1, #AT91_PMC_KEY + str tmp1, [pmc, #AT91_CKGR_MOR] + + wait_moscsels + + /* Disable the crystal oscillator */ + ldr tmp1, [pmc, #AT91_CKGR_MOR] + bic tmp1, tmp1, #AT91_PMC_MOSCEN + bic tmp1, tmp1, #AT91_PMC_KEY_MASK + orr tmp1, tmp1, #AT91_PMC_KEY + str tmp1, [pmc, #AT91_CKGR_MOR] + + /* Switch the master clock source to main clock */ + ldr tmp1, [pmc, #AT91_PMC_MCKR] + bic tmp1, tmp1, #AT91_PMC_CSS + orr tmp1, tmp1, #AT91_PMC_CSS_MAIN + str tmp1, [pmc, #AT91_PMC_MCKR] + + wait_mckrdy + + /* Enter the ULP1 mode by set WAITMODE bit in CKGR_MOR */ + ldr tmp1, [pmc, #AT91_CKGR_MOR] + orr tmp1, tmp1, #AT91_PMC_WAITMODE + bic tmp1, tmp1, #AT91_PMC_KEY_MASK + orr tmp1, tmp1, #AT91_PMC_KEY + str tmp1, [pmc, #AT91_CKGR_MOR] + + wait_mckrdy + + /* Enable the crystal oscillator */ + ldr tmp1, [pmc, #AT91_CKGR_MOR] + orr tmp1, tmp1, #AT91_PMC_MOSCEN + bic tmp1, tmp1, #AT91_PMC_KEY_MASK + orr tmp1, tmp1, #AT91_PMC_KEY + str tmp1, [pmc, #AT91_CKGR_MOR] + + wait_moscrdy + + /* Switch the master clock source to slow clock */ + ldr tmp1, [pmc, #AT91_PMC_MCKR] + bic tmp1, tmp1, #AT91_PMC_CSS + str tmp1, [pmc, #AT91_PMC_MCKR] + + wait_mckrdy + + /* Switch main clock source to crystal oscillator */ + ldr tmp1, [pmc, #AT91_CKGR_MOR] + orr tmp1, tmp1, #AT91_PMC_MOSCSEL + bic tmp1, tmp1, #AT91_PMC_KEY_MASK + orr tmp1, tmp1, #AT91_PMC_KEY + str tmp1, [pmc, #AT91_CKGR_MOR] + + wait_moscsels + + /* Switch the master clock source to main clock */ + ldr tmp1, [pmc, #AT91_PMC_MCKR] + bic tmp1, tmp1, #AT91_PMC_CSS + orr tmp1, tmp1, #AT91_PMC_CSS_MAIN + str tmp1, [pmc, #AT91_PMC_MCKR] + + wait_mckrdy + + mov pc, lr +ENDPROC(at91_pm_ulp1_mode) + .pmc_base: .word 0 .sramc_base: @@ -336,6 +431,8 @@ ENDPROC(at91_pm_ulp0_mode) .word 0 .pm_mode: .word 0 +.ulp_mode: + .word 0 .saved_mckr: .word 0 .saved_pllar: diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h index 17f413b..4afd891 100644 --- a/include/linux/clk/at91_pmc.h +++ b/include/linux/clk/at91_pmc.h @@ -47,8 +47,10 @@ #define AT91_CKGR_MOR 0x20 /* Main Oscillator Register [not on SAM9RL] */ #define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */ #define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass */ +#define AT91_PMC_WAITMODE (1 << 2) /* Wait Mode Command */ #define AT91_PMC_MOSCRCEN (1 << 3) /* Main On-Chip RC Oscillator Enable [some SAM9] */ #define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */ +#define AT91_PMC_KEY_MASK (0xff << 16) #define AT91_PMC_KEY (0x37 << 16) /* MOR Writing Key */ #define AT91_PMC_MOSCSEL (1 << 24) /* Main Oscillator Selection [some SAM9] */ #define AT91_PMC_CFDEN (1 << 25) /* Clock Failure Detector Enable [some SAM9] */ @@ -166,6 +168,8 @@ #define AT91_PMC_WPVS (0x1 << 0) /* Write Protect Violation Status */ #define AT91_PMC_WPVSRC (0xffff << 8) /* Write Protect Violation Source */ +#define AT91_PMC_VERSION 0xfc + #define AT91_PMC_PCER1 0x100 /* Peripheral Clock Enable Register 1 [SAMA5 only]*/ #define AT91_PMC_PCDR1 0x104 /* Peripheral Clock Enable Register 1 */ #define AT91_PMC_PCSR1 0x108 /* Peripheral Clock Enable Register 1 */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html ^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 3/4] ARM: at91: pm: configure PMC fast startup signals 2016-01-28 10:19 [PATCH 0/4] ARM: at91: pm: add ULP1 mode support Wenyou Yang 2016-01-28 10:19 ` [PATCH 1/4] ARM: at91: pm: create a separate procedure for the ULP0 mode Wenyou Yang [not found] ` <1453976356-24391-1-git-send-email-wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org> @ 2016-01-28 10:19 ` Wenyou Yang 2016-01-28 10:19 ` [PATCH 4/4] Documentation: atmel-at91: add DT bindings for fast startup Wenyou Yang 3 siblings, 0 replies; 7+ messages in thread From: Wenyou Yang @ 2016-01-28 10:19 UTC (permalink / raw) To: Nicolas Ferre, Alexandre Belloni, Jean-Christophe Plagniol-Villard, Russell King Cc: linux-clk, Rob Herring, Pawel Moll, Mark Brown, Ian Campbell, Kumar Gala, linux-arm-kernel, linux-kernel, devicetree, Wenyou Yang The fast startup signal is used as wake up sources for ULP1 mode. As soon as a fast startup signal is asserted, the embedded 12 MHz RC oscillator restarts automatically. This patch is to configure the fast startup signals, which signal is enabled to trigger the PMC to wake up the system from ULP1 mode should be configured via the DT. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> --- arch/arm/mach-at91/pm.c | 96 ++++++++++++++++++++++++++++++++++++++++++ include/linux/clk/at91_pmc.h | 32 ++++++++++++++ 2 files changed, 128 insertions(+) diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index a7aec35..2c424b3 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -24,6 +24,8 @@ #include <linux/platform_device.h> #include <linux/io.h> #include <linux/clk/at91_pmc.h> +#include <linux/mfd/syscon.h> +#include <linux/regmap.h> #include <asm/irq.h> #include <linux/atomic.h> @@ -425,6 +427,98 @@ static void __init at91_pm_sram_init(void) &at91_pm_suspend_in_sram, at91_pm_suspend_in_sram_sz); } +static int __init at91_pmc_fast_startup_init(void) +{ + struct device_node *np; + struct regmap *regmap; + u32 mode = 0, polarity = 0; + + np = of_find_compatible_node(NULL, NULL, + "atmel,sama5d2-pmc-fast-startup"); + if (!np) + return -ENODEV; + + regmap = syscon_node_to_regmap(of_get_parent(np)); + if (IS_ERR(regmap)) { + pr_info("AT91: failed to find PMC fast startup\n"); + return PTR_ERR(regmap); + } + + mode |= of_property_read_bool(np, "atmel,fast-startup-wake-up") ? + AT91_PMC_FSTT0 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-secumod") ? + AT91_PMC_FSTT1 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu0") ? + AT91_PMC_FSTT2 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu1") ? + AT91_PMC_FSTT3 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu2") ? + AT91_PMC_FSTT4 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu3") ? + AT91_PMC_FSTT5 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu4") ? + AT91_PMC_FSTT6 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu5") ? + AT91_PMC_FSTT7 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu6") ? + AT91_PMC_FSTT8 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-piobu7") ? + AT91_PMC_FSTT9 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-gmac-wol") ? + AT91_PMC_FSTT10 : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-rtc-alarm") ? + AT91_PMC_RTCAL : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-usb-resume") ? + AT91_PMC_USBAL : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-sdmmc-cd") ? + AT91_PMC_SDMMC_CD : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-rxlp-match") ? + AT91_PMC_RXLP_MCE : 0; + mode |= of_property_read_bool(np, "atmel,fast-startup-acc-comparison") ? + AT91_PMC_ACC_CE : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-wkup-pin-high") ? AT91_PMC_FSTP0 : 0; + + if (mode & AT91_PMC_FSTT1) + polarity |= AT91_PMC_FSTP1; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu0-high") ? AT91_PMC_FSTP2 : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu1-high") ? AT91_PMC_FSTP3 : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu2-high") ? AT91_PMC_FSTP4 : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu3-high") ? AT91_PMC_FSTP5 : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu4-high") ? AT91_PMC_FSTP6 : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu5-high") ? AT91_PMC_FSTP7 : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu6-high") ? AT91_PMC_FSTP8 : 0; + + polarity |= of_property_read_bool(np, + "atmel,fast-startup-piobu7-high") ? AT91_PMC_FSTP9 : 0; + + if (mode & AT91_PMC_FSTT10) + polarity |= AT91_PMC_FSTP10; + + regmap_write(regmap, AT91_PMC_FSMR, mode); + + regmap_write(regmap, AT91_PMC_FSPR, polarity); + + of_node_put(np); + + return 0; +} + static const struct of_device_id atmel_pmc_ids[] = { { .compatible = "atmel,at91rm9200-pmc" }, { .compatible = "atmel,at91sam9260-pmc" }, @@ -509,4 +603,6 @@ void __init sama5_pm_init(void) if (readl(pmc + AT91_PMC_VERSION) >= SAMA5D2_PMC_VERSION) at91_pm_data.ulp_mode = ULP1_MODE; + + at91_pmc_fast_startup_init(); } diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h index 4afd891..683580e 100644 --- a/include/linux/clk/at91_pmc.h +++ b/include/linux/clk/at91_pmc.h @@ -168,6 +168,38 @@ #define AT91_PMC_WPVS (0x1 << 0) /* Write Protect Violation Status */ #define AT91_PMC_WPVSRC (0xffff << 8) /* Write Protect Violation Source */ +#define AT91_PMC_FSMR 0x70 /* Fast Startup Mode Register */ +#define AT91_PMC_FSTT0 BIT(0) /* WKUP Pin Enable */ +#define AT91_PMC_FSTT1 BIT(1) /* Security Module Enable */ +#define AT91_PMC_FSTT2 BIT(2) /* PIOBU0 Input Enable */ +#define AT91_PMC_FSTT3 BIT(3) /* PIOBU1 Input Enable */ +#define AT91_PMC_FSTT4 BIT(4) /* PIOBU2 Input Enable */ +#define AT91_PMC_FSTT5 BIT(5) /* PIOBU3 Input Enable */ +#define AT91_PMC_FSTT6 BIT(6) /* PIOBU4 Input Enable */ +#define AT91_PMC_FSTT7 BIT(7) /* PIOBU5 Input Enable */ +#define AT91_PMC_FSTT8 BIT(8) /* PIOBU6 Input Enable */ +#define AT91_PMC_FSTT9 BIT(9) /* PIOBU7 Input Enable */ +#define AT91_PMC_FSTT10 BIT(10) /* GMAC Wake-up On LAN Enable */ +#define AT91_PMC_RTCAL BIT(17) /* RTC Alarm Enable */ +#define AT91_PMC_USBAL BIT(18) /* USB Resume Enable */ +#define AT91_PMC_SDMMC_CD BIT(19) /* SDMMC Card Detect Enable */ +#define AT91_PMC_LPM BIT(20) /* Low-power Mode */ +#define AT91_PMC_RXLP_MCE BIT(24) /* Backup UART Receive Enable */ +#define AT91_PMC_ACC_CE BIT(25) /* ACC Enable */ + +#define AT91_PMC_FSPR 0x74 /* Fast Startup Polarity Reg */ +#define AT91_PMC_FSTP0 BIT(0) /* WKUP Pin Polarity */ +#define AT91_PMC_FSTP1 BIT(1) /* Security Module Polarity */ +#define AT91_PMC_FSTP2 BIT(2) /* PIOBU0 Pin Polarity */ +#define AT91_PMC_FSTP3 BIT(3) /* PIOBU1 Pin Polarity */ +#define AT91_PMC_FSTP4 BIT(4) /* PIOBU2 Pin Polarity */ +#define AT91_PMC_FSTP5 BIT(5) /* PIOBU3 Pin Polarity */ +#define AT91_PMC_FSTP6 BIT(6) /* PIOBU4 Pin Polarity */ +#define AT91_PMC_FSTP7 BIT(7) /* PIOBU5 Pin Polarity */ +#define AT91_PMC_FSTP8 BIT(8) /* PIOBU6 Pin Polarity */ +#define AT91_PMC_FSTP9 BIT(9) /* PIOBU7 Pin Polarity */ +#define AT91_PMC_FSTP10 BIT(10) /* Wake-up On LAN Polarity */ + #define AT91_PMC_VERSION 0xfc #define AT91_PMC_PCER1 0x100 /* Peripheral Clock Enable Register 1 [SAMA5 only]*/ -- 1.7.9.5 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* [PATCH 4/4] Documentation: atmel-at91: add DT bindings for fast startup 2016-01-28 10:19 [PATCH 0/4] ARM: at91: pm: add ULP1 mode support Wenyou Yang ` (2 preceding siblings ...) 2016-01-28 10:19 ` [PATCH 3/4] ARM: at91: pm: configure PMC fast startup signals Wenyou Yang @ 2016-01-28 10:19 ` Wenyou Yang 2016-01-29 16:20 ` Rob Herring 3 siblings, 1 reply; 7+ messages in thread From: Wenyou Yang @ 2016-01-28 10:19 UTC (permalink / raw) To: Nicolas Ferre, Alexandre Belloni, Jean-Christophe Plagniol-Villard, Russell King Cc: linux-clk, Rob Herring, Pawel Moll, Mark Brown, Ian Campbell, Kumar Gala, linux-arm-kernel, linux-kernel, devicetree, Wenyou Yang Add DT bindings to configurate the PMC_FSMR and PMC_FSPR registers to trigger a fast restart signal to PMC. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> --- .../devicetree/bindings/arm/atmel-pmc.txt | 74 ++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt b/Documentation/devicetree/bindings/arm/atmel-pmc.txt index 795cc78..8d45ff9f 100644 --- a/Documentation/devicetree/bindings/arm/atmel-pmc.txt +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt @@ -12,3 +12,77 @@ Examples: compatible = "atmel,at91rm9200-pmc"; reg = <0xfffffc00 0x100>; }; + +PMC Fast Startup Signals + +The PMC Fast Start Signals are used as the wake up source to trigger the PMC +to wake up the system from the ULP1 mode. + +required properties: +- compatible: Should be "atmel,sama5d2-pmc-fast-startup". + +optional properties: +- atmel,fast-startup-wake-up: boolean to enable the WKUP pin to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-secumod: boolean to enable the Security Mode to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu0: boolean to enable the PIOBU0 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu1: boolean to enable the PIOBU1 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu2: boolean to enable the PIOBU2 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu3: boolean to enable the PIOBU3 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu4: boolean to enable the PIOBU4 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu5: boolean to enable the PIOBU5 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu6: boolean to enable the PIOBU6 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-piobu7: boolean to enable the PIOBU7 Input to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-gmac-wol: boolean to enable the GMAC Wake-up On LAN + to trigger a fast restart signal to the PMC. +- atmel,fast-startup-rtc-alarm: boolean to enable the RTC Alarm to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-usb-resume: boolean to enable the USB Resume to trigger + a fast restart signal to the PMC. +- atmel,fast-startup-sdmmc-cd: boolean to enable the SDMMC Card Detect + to trigger a fast restart signal to the PMC. +- atmel,fast-startup-rxlp-match: boolean to enable the Backuo UART Receive + Match Condition to trigger a fast restart signal to the PMC. +- atmel,fast-startup-acc-comparison: boolean to enable the Analog Comparator + Controller (ACC) Comparison to to trigger a fast restart signal to the PMC. + +- atmel,fast-startup-wkup-pin-high: boolean to indicate if the WKUP Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu0-high: boolean to indicate if the PIOBU0 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu1-high: boolean to indicate if the PIOBU1 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu2-high: boolean to indicate if the PIOBU2 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu3-high: boolean to indicate if the PIOBU3 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu4-high: boolean to indicate if the PIOBU4 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu5-high: boolean to indicate if the PIOBU5 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu6-high: boolean to indicate if the PIOBU6 Pin is + in the high level to trigger fast restart signal, otherwise low level. +- atmel,fast-startup-piobu7-high: boolean to indicate if the PIOBU7 Pin is + in the high level to trigger fast restart signal, otherwise low level. + +Example: + + pmc: pmc@f0014000 { + compatible = "atmel,sama5d2-pmc"; + reg = <0xf0014000 0x160>; + + pmc_fast_restart { + compatible = "atmel,sama5d2-pmc-fast-startup"; + atmel,fast-startup-wake-up; + atmel,fast-startup-rtc-alarm; + }; + }; -- 1.7.9.5 ^ permalink raw reply related [flat|nested] 7+ messages in thread
* Re: [PATCH 4/4] Documentation: atmel-at91: add DT bindings for fast startup 2016-01-28 10:19 ` [PATCH 4/4] Documentation: atmel-at91: add DT bindings for fast startup Wenyou Yang @ 2016-01-29 16:20 ` Rob Herring 2016-02-01 6:22 ` Yang, Wenyou 0 siblings, 1 reply; 7+ messages in thread From: Rob Herring @ 2016-01-29 16:20 UTC (permalink / raw) To: Wenyou Yang Cc: Nicolas Ferre, Alexandre Belloni, Jean-Christophe Plagniol-Villard, Russell King, linux-clk, Pawel Moll, Mark Brown, Ian Campbell, Kumar Gala, linux-arm-kernel, linux-kernel, devicetree On Thu, Jan 28, 2016 at 06:19:16PM +0800, Wenyou Yang wrote: > Add DT bindings to configurate the PMC_FSMR and PMC_FSPR registers > to trigger a fast restart signal to PMC. > > Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> > --- > > .../devicetree/bindings/arm/atmel-pmc.txt | 74 ++++++++++++++++++++ > 1 file changed, 74 insertions(+) > > diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt b/Documentation/devicetree/bindings/arm/atmel-pmc.txt > index 795cc78..8d45ff9f 100644 > --- a/Documentation/devicetree/bindings/arm/atmel-pmc.txt > +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt > @@ -12,3 +12,77 @@ Examples: > compatible = "atmel,at91rm9200-pmc"; > reg = <0xfffffc00 0x100>; > }; > + > +PMC Fast Startup Signals > + > +The PMC Fast Start Signals are used as the wake up source to trigger the PMC > +to wake up the system from the ULP1 mode. > + > +required properties: > +- compatible: Should be "atmel,sama5d2-pmc-fast-startup". Why the compatible? Does this correspond to some h/w block rather than features of the PMC? If it is simply because you want to have a separate driver, that is not a good reason. > + > +optional properties: > +- atmel,fast-startup-wake-up: boolean to enable the WKUP pin to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-secumod: boolean to enable the Security Mode to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu0: boolean to enable the PIOBU0 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu1: boolean to enable the PIOBU1 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu2: boolean to enable the PIOBU2 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu3: boolean to enable the PIOBU3 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu4: boolean to enable the PIOBU4 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu5: boolean to enable the PIOBU5 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu6: boolean to enable the PIOBU6 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-piobu7: boolean to enable the PIOBU7 Input to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-gmac-wol: boolean to enable the GMAC Wake-up On LAN > + to trigger a fast restart signal to the PMC. > +- atmel,fast-startup-rtc-alarm: boolean to enable the RTC Alarm to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-usb-resume: boolean to enable the USB Resume to trigger > + a fast restart signal to the PMC. > +- atmel,fast-startup-sdmmc-cd: boolean to enable the SDMMC Card Detect > + to trigger a fast restart signal to the PMC. > +- atmel,fast-startup-rxlp-match: boolean to enable the Backuo UART Receive > + Match Condition to trigger a fast restart signal to the PMC. > +- atmel,fast-startup-acc-comparison: boolean to enable the Analog Comparator > + Controller (ACC) Comparison to to trigger a fast restart signal to the PMC. > + > +- atmel,fast-startup-wkup-pin-high: boolean to indicate if the WKUP Pin is > + in the high level to trigger fast restart signal, otherwise low level. Perhaps just make the above bool properties take a value to indicate high or low triggered. > +- atmel,fast-startup-piobu0-high: boolean to indicate if the PIOBU0 Pin is > + in the high level to trigger fast restart signal, otherwise low level. > +- atmel,fast-startup-piobu1-high: boolean to indicate if the PIOBU1 Pin is > + in the high level to trigger fast restart signal, otherwise low level. > +- atmel,fast-startup-piobu2-high: boolean to indicate if the PIOBU2 Pin is > + in the high level to trigger fast restart signal, otherwise low level. > +- atmel,fast-startup-piobu3-high: boolean to indicate if the PIOBU3 Pin is > + in the high level to trigger fast restart signal, otherwise low level. > +- atmel,fast-startup-piobu4-high: boolean to indicate if the PIOBU4 Pin is > + in the high level to trigger fast restart signal, otherwise low level. > +- atmel,fast-startup-piobu5-high: boolean to indicate if the PIOBU5 Pin is > + in the high level to trigger fast restart signal, otherwise low level. > +- atmel,fast-startup-piobu6-high: boolean to indicate if the PIOBU6 Pin is > + in the high level to trigger fast restart signal, otherwise low level. > +- atmel,fast-startup-piobu7-high: boolean to indicate if the PIOBU7 Pin is > + in the high level to trigger fast restart signal, otherwise low level. This would be a long list in the DT if you set all these properties. Perhaps this should all be expressed in a more compact form. > + > +Example: > + > + pmc: pmc@f0014000 { > + compatible = "atmel,sama5d2-pmc"; > + reg = <0xf0014000 0x160>; > + > + pmc_fast_restart { > + compatible = "atmel,sama5d2-pmc-fast-startup"; > + atmel,fast-startup-wake-up; > + atmel,fast-startup-rtc-alarm; > + }; > + }; > -- > 1.7.9.5 > ^ permalink raw reply [flat|nested] 7+ messages in thread
* RE: [PATCH 4/4] Documentation: atmel-at91: add DT bindings for fast startup 2016-01-29 16:20 ` Rob Herring @ 2016-02-01 6:22 ` Yang, Wenyou 0 siblings, 0 replies; 7+ messages in thread From: Yang, Wenyou @ 2016-02-01 6:22 UTC (permalink / raw) To: Rob Herring Cc: Ferre, Nicolas, Alexandre Belloni, Jean-Christophe Plagniol-Villard, Russell King, linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Pawel Moll, Mark Brown, Ian Campbell, Kumar Gala, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #1: Type: text/plain; charset="gb2312", Size: 6974 bytes --] Hi Rob, Thank you for your review. > -----Original Message----- > From: Rob Herring [mailto:robh@kernel.org] > Sent: 2016Äê1ÔÂ30ÈÕ 0:20 > To: Yang, Wenyou <Wenyou.Yang@atmel.com> > Cc: Ferre, Nicolas <Nicolas.FERRE@atmel.com>; Alexandre Belloni > <alexandre.belloni@free-electrons.com>; Jean-Christophe Plagniol-Villard > <plagnioj@jcrosoft.com>; Russell King <linux@arm.linux.org.uk>; linux- > clk@vger.kernel.org; Pawel Moll <pawel.moll@arm.com>; Mark Brown > <broonie@kernel.org>; Ian Campbell <ijc+devicetree@hellion.org.uk>; Kumar > Gala <galak@codeaurora.org>; linux-arm-kernel@lists.infradead.org; linux- > kernel@vger.kernel.org; devicetree@vger.kernel.org > Subject: Re: [PATCH 4/4] Documentation: atmel-at91: add DT bindings for fast > startup > > On Thu, Jan 28, 2016 at 06:19:16PM +0800, Wenyou Yang wrote: > > Add DT bindings to configurate the PMC_FSMR and PMC_FSPR registers to > > trigger a fast restart signal to PMC. > > > > Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> > > --- > > > > .../devicetree/bindings/arm/atmel-pmc.txt | 74 > ++++++++++++++++++++ > > 1 file changed, 74 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/arm/atmel-pmc.txt > > b/Documentation/devicetree/bindings/arm/atmel-pmc.txt > > index 795cc78..8d45ff9f 100644 > > --- a/Documentation/devicetree/bindings/arm/atmel-pmc.txt > > +++ b/Documentation/devicetree/bindings/arm/atmel-pmc.txt > > @@ -12,3 +12,77 @@ Examples: > > compatible = "atmel,at91rm9200-pmc"; > > reg = <0xfffffc00 0x100>; > > }; > > + > > +PMC Fast Startup Signals > > + > > +The PMC Fast Start Signals are used as the wake up source to trigger > > +the PMC to wake up the system from the ULP1 mode. > > + > > +required properties: > > +- compatible: Should be "atmel,sama5d2-pmc-fast-startup". > > Why the compatible? Does this correspond to some h/w block rather than features > of the PMC? If it is simply because you want to have a separate driver, that is not > a good reason. The PMC is regarded as an MFD device. The Fast Startup function is a sub-device, the driver access the register through regmap returned from the syscon helper API syscon_node_to_regmap(). > > > + > > +optional properties: > > +- atmel,fast-startup-wake-up: boolean to enable the WKUP pin to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-secumod: boolean to enable the Security Mode to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu0: boolean to enable the PIOBU0 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu1: boolean to enable the PIOBU1 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu2: boolean to enable the PIOBU2 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu3: boolean to enable the PIOBU3 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu4: boolean to enable the PIOBU4 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu5: boolean to enable the PIOBU5 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu6: boolean to enable the PIOBU6 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-piobu7: boolean to enable the PIOBU7 Input to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-gmac-wol: boolean to enable the GMAC Wake-up On > > +LAN > > + to trigger a fast restart signal to the PMC. > > +- atmel,fast-startup-rtc-alarm: boolean to enable the RTC Alarm to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-usb-resume: boolean to enable the USB Resume to > > +trigger > > + a fast restart signal to the PMC. > > +- atmel,fast-startup-sdmmc-cd: boolean to enable the SDMMC Card > > +Detect > > + to trigger a fast restart signal to the PMC. > > +- atmel,fast-startup-rxlp-match: boolean to enable the Backuo UART > > +Receive > > + Match Condition to trigger a fast restart signal to the PMC. > > +- atmel,fast-startup-acc-comparison: boolean to enable the Analog > > +Comparator > > + Controller (ACC) Comparison to to trigger a fast restart signal to the PMC. > > + > > +- atmel,fast-startup-wkup-pin-high: boolean to indicate if the WKUP > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > Perhaps just make the above bool properties take a value to indicate high or low > triggered. Agreed. How about the following changes? And a more compact form. atmel,fs-wkup-pin-level = <1>; to indicated the WKUP Pin is in the high level trigged. atmel,fs-wkup-pin-level = <0>; to indicated the WKUP Pin is in the low level trigged. > > > +- atmel,fast-startup-piobu0-high: boolean to indicate if the PIOBU0 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > +- atmel,fast-startup-piobu1-high: boolean to indicate if the PIOBU1 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > +- atmel,fast-startup-piobu2-high: boolean to indicate if the PIOBU2 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > +- atmel,fast-startup-piobu3-high: boolean to indicate if the PIOBU3 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > +- atmel,fast-startup-piobu4-high: boolean to indicate if the PIOBU4 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > +- atmel,fast-startup-piobu5-high: boolean to indicate if the PIOBU5 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > +- atmel,fast-startup-piobu6-high: boolean to indicate if the PIOBU6 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > +- atmel,fast-startup-piobu7-high: boolean to indicate if the PIOBU7 > > +Pin is > > + in the high level to trigger fast restart signal, otherwise low level. > > This would be a long list in the DT if you set all these properties. > Perhaps this should all be expressed in a more compact form. > Yes, change as above. > > + > > +Example: > > + > > + pmc: pmc@f0014000 { > > + compatible = "atmel,sama5d2-pmc"; > > + reg = <0xf0014000 0x160>; > > + > > + pmc_fast_restart { > > + compatible = "atmel,sama5d2-pmc-fast-startup"; > > + atmel,fast-startup-wake-up; > > + atmel,fast-startup-rtc-alarm; > > + }; > > + }; > > -- > > 1.7.9.5 > > Best Regards, Wenyou Yang N‹§²æìr¸›yúèšØb²X¬¶Ç§vØ^–)Þº{.nÇ+‰·zøœzÚÞz)í…æèw*\x1fjg¬±¨\x1e¶‰šŽŠÝ¢j.ïÛ°\½½MŽúgjÌæa×\x02››–' ™©Þ¢¸\f¢·¦j:+v‰¨ŠwèjØm¶Ÿÿ¾\a«‘êçzZ+ƒùšŽŠÝ¢j"ú!¶i ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2016-02-01 6:22 UTC | newest]
Thread overview: 7+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-01-28 10:19 [PATCH 0/4] ARM: at91: pm: add ULP1 mode support Wenyou Yang
2016-01-28 10:19 ` [PATCH 1/4] ARM: at91: pm: create a separate procedure for the ULP0 mode Wenyou Yang
[not found] ` <1453976356-24391-1-git-send-email-wenyou.yang-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2016-01-28 10:19 ` [PATCH 2/4] ARM: at91: pm: add ULP1 mode support Wenyou Yang
2016-01-28 10:19 ` [PATCH 3/4] ARM: at91: pm: configure PMC fast startup signals Wenyou Yang
2016-01-28 10:19 ` [PATCH 4/4] Documentation: atmel-at91: add DT bindings for fast startup Wenyou Yang
2016-01-29 16:20 ` Rob Herring
2016-02-01 6:22 ` Yang, Wenyou
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).