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Date: Tue, 4 Aug 2009 20:03:05 +0200
From: Samuel Ortiz <sameo@...ux.intel.com>
To: Amit Kucheria <amit.kucheria@...durent.com>
Cc: dbrownell@...rs.sourceforge.net, linux-kernel@...r.kernel.org,
linux-omap@...r.kernel.org
Subject: Re: [PATCH 3/3] MFD: TWL4030: OMAP: Board-specifc DPS scripts for
RX51 board
Hi Amit,
On Wed, Jul 08, 2009 at 01:49:39PM +0300, Amit Kucheria wrote:
> Add support for Dynamic Power Switching (DPS) for the RX51 board.
Could I have an Acked-by from Tony or someone from Nokia maintaining this
board (e.g. Lauri) ?
Cheers,
Samuel.
> Signed-off-by: Amit Kucheria <amit.kucheria@...durent.com>
> ---
> arch/arm/mach-omap2/board-rx51-peripherals.c | 122 +++++++++++++++++++++++++-
> 1 files changed, 120 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
> index 9a0bf67..f7ebec8 100644
> --- a/arch/arm/mach-omap2/board-rx51-peripherals.c
> +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
> @@ -1,5 +1,5 @@
> /*
> - * linux/arch/arm/mach-omap2/board-rx51-flash.c
> + * linux/arch/arm/mach-omap2/board-rx51-peripherals.c
> *
> * Copyright (C) 2008-2009 Nokia
> *
> @@ -278,7 +278,124 @@ static struct twl4030_gpio_platform_data rx51_gpio_data = {
> .setup = rx51_twlgpio_setup,
> };
>
> -static struct twl4030_platform_data rx51_twldata = {
> +static struct twl4030_ins sleep_on_seq[] __initdata = {
> +/*
> + * Turn off VDD1 and VDD2.
> + */
> + {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_OFF), 4},
> + {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_OFF), 2},
> +/*
> + * And also turn off the OMAP3 PLLs and the sysclk output.
> + */
> + {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_OFF), 3},
> + {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_OFF), 3},
> +};
> +
> +static struct twl4030_script sleep_on_script __initdata = {
> + .script = sleep_on_seq,
> + .size = ARRAY_SIZE(sleep_on_seq),
> + .flags = TRITON_SLEEP_SCRIPT,
> +};
> +
> +static struct twl4030_ins wakeup_seq[] __initdata = {
> +/*
> + * Reenable the OMAP3 PLLs.
> + * Wakeup VDD1 and VDD2.
> + * Reenable sysclk output.
> + */
> + {MSG_SINGULAR(DEV_GRP_P1, 0x7, RES_STATE_ACTIVE), 0x30},
> + {MSG_SINGULAR(DEV_GRP_P1, 0xf, RES_STATE_ACTIVE), 0x30},
> + {MSG_SINGULAR(DEV_GRP_P1, 0x10, RES_STATE_ACTIVE), 0x37},
> + {MSG_SINGULAR(DEV_GRP_P1, 0x19, RES_STATE_ACTIVE), 3},
> +};
> +
> +static struct twl4030_script wakeup_script __initdata = {
> + .script = wakeup_seq,
> + .size = ARRAY_SIZE(wakeup_seq),
> + .flags = TRITON_WAKEUP12_SCRIPT,
> +};
> +
> +static struct twl4030_ins wakeup_p3_seq[] __initdata = {
> +/*
> + * Wakeup VDD1 (dummy to be able to insert a delay)
> + * Enable CLKEN
> + */
> + {MSG_SINGULAR(DEV_GRP_P1, 0x17, RES_STATE_ACTIVE), 3},
> +};
> +
> +static struct twl4030_script wakeup_p3_script __initdata = {
> + .script = wakeup_p3_seq,
> + .size = ARRAY_SIZE(wakeup_p3_seq),
> + .flags = TRITON_WAKEUP3_SCRIPT,
> +};
> +
> +static struct twl4030_ins wrst_seq[] __initdata = {
> +/*
> + * Reset twl4030.
> + * Reset VDD1 regulator.
> + * Reset VDD2 regulator.
> + * Reset VPLL1 regulator.
> + * Enable sysclk output.
> + * Reenable twl4030.
> + */
> + {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_OFF), 2},
> + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_ALL, 0, 1, RES_STATE_ACTIVE),
> + 0x13},
> + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 2, RES_STATE_WRST), 0x13},
> + {MSG_BROADCAST(DEV_GRP_NULL, RES_GRP_PP, 0, 3, RES_STATE_OFF), 0x13},
> + {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD1, RES_STATE_WRST), 0x13},
> + {MSG_SINGULAR(DEV_GRP_NULL, RES_VDD2, RES_STATE_WRST), 0x13},
> + {MSG_SINGULAR(DEV_GRP_NULL, RES_VPLL1, RES_STATE_WRST), 0x35},
> + {MSG_SINGULAR(DEV_GRP_P1, RES_HFCLKOUT, RES_STATE_ACTIVE), 2},
> + {MSG_SINGULAR(DEV_GRP_NULL, RES_RESET, RES_STATE_ACTIVE), 2},
> +};
> +
> +static struct twl4030_script wrst_script __initdata = {
> + .script = wrst_seq,
> + .size = ARRAY_SIZE(wrst_seq),
> + .flags = TRITON_WRST_SCRIPT,
> +};
> +
> +static struct twl4030_script *twl4030_scripts[] __initdata = {
> + /* wakeup12 script should be loaded before sleep script, otherwise a
> + board might hit retention before loading of wakeup script is
> + completed. This can cause boot failures depending on timing issues.
> + */
> + &wakeup_script,
> + &sleep_on_script,
> + &wakeup_p3_script,
> + &wrst_script,
> +};
> +
> +static struct twl4030_resconfig twl4030_rconfig[] __initdata = {
> + { .resource = RES_VINTANA1, .devgroup = -1, .type = -1, .type2 = 1 },
> + { .resource = RES_VINTANA2, .devgroup = -1, .type = -1, .type2 = 1 },
> + { .resource = RES_VINTDIG, .devgroup = -1, .type = -1, .type2 = 1 },
> + { .resource = RES_VMMC1, .devgroup = -1, .type = -1, .type2 = 3},
> + { .resource = RES_VMMC2, .devgroup = DEV_GRP_NULL, .type = -1,
> + .type2 = 3},
> + { .resource = RES_VAUX1, .devgroup = -1, .type = -1, .type2 = 3},
> + { .resource = RES_VAUX2, .devgroup = -1, .type = -1, .type2 = 3},
> + { .resource = RES_VAUX3, .devgroup = -1, .type = -1, .type2 = 3},
> + { .resource = RES_VAUX4, .devgroup = -1, .type = -1, .type2 = 3},
> + { .resource = RES_VPLL2, .devgroup = -1, .type = -1, .type2 = 3},
> + { .resource = RES_VDAC, .devgroup = -1, .type = -1, .type2 = 3},
> + { .resource = RES_VSIM, .devgroup = DEV_GRP_NULL, .type = -1,
> + .type2 = 3},
> + { .resource = RES_CLKEN, .devgroup = DEV_GRP_P3, .type = -1,
> + .type2 = 1 },
> + { 0, 0},
> +};
> +
> +static struct twl4030_power_data rx51_t2scripts_data __initdata = {
> + .scripts = twl4030_scripts,
> + .size = ARRAY_SIZE(twl4030_scripts),
> + .resource_config = twl4030_rconfig,
> +};
> +
> +
> +
> +static struct twl4030_platform_data rx51_twldata __initdata = {
> .irq_base = TWL4030_IRQ_BASE,
> .irq_end = TWL4030_IRQ_END,
>
> @@ -286,6 +403,7 @@ static struct twl4030_platform_data rx51_twldata = {
> .gpio = &rx51_gpio_data,
> .keypad = &rx51_kp_data,
> .madc = &rx51_madc_data,
> + .power = &rx51_t2scripts_data,
>
> .vaux1 = &rx51_vaux1,
> .vaux2 = &rx51_vaux2,
> --
> 1.6.3.3
>
--
Intel Open Source Technology Centre
http://oss.intel.com/
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