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| author | Anson Huang <b20788@freescale.com> | 2014-06-20 13:20:54 +0800 |
|---|---|---|
| committer | Shawn Guo <shawn.guo@freescale.com> | 2014-07-18 16:10:14 +0800 |
| commit | ff843d621bfc9a9b36c370bb523d3551f2e195dd (patch) | |
| tree | 6c8cc381228441f662d1a3e8974a6c890d956ba6 /arch/arm/mach-imx/pm-imx6.c | |
| parent | fc314334e734edc6727fe9e7d1fd58c31384af4f (diff) | |
| download | op-kernel-dev-ff843d621bfc9a9b36c370bb523d3551f2e195dd.zip op-kernel-dev-ff843d621bfc9a9b36c370bb523d3551f2e195dd.tar.gz | |
ARM: imx: add suspend support for i.mx6sx
Add suspend support for i.MX6SX.
To enter suspend, echo mem > /sys/power/state.
To exit suspend, using RTC alarm or enable debug UART wakeup.
Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>
Diffstat (limited to 'arch/arm/mach-imx/pm-imx6.c')
| -rw-r--r-- | arch/arm/mach-imx/pm-imx6.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 9392a8f..331055b 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -129,6 +129,14 @@ static const u32 imx6sl_mmdc_io_offset[] __initconst = { 0x330, 0x334, 0x320, /* SDCKE0, SDCKE1, RESET */ }; +static const u32 imx6sx_mmdc_io_offset[] __initconst = { + 0x2ec, 0x2f0, 0x2f4, 0x2f8, /* DQM0 ~ DQM3 */ + 0x60c, 0x610, 0x61c, 0x620, /* GPR_B0DS ~ GPR_B3DS */ + 0x300, 0x2fc, 0x32c, 0x5f4, /* CAS, RAS, SDCLK_0, GPR_ADDS */ + 0x310, 0x314, 0x5f8, 0x608, /* SODT0, SODT1, MODE_CTL, MODE */ + 0x330, 0x334, 0x338, 0x33c, /* SDQS0 ~ SDQS3 */ +}; + static const struct imx6_pm_socdata imx6q_pm_data __initconst = { .cpu_type = MXC_CPU_IMX6Q, .mmdc_compat = "fsl,imx6q-mmdc", @@ -159,6 +167,16 @@ static const struct imx6_pm_socdata imx6sl_pm_data __initconst = { .mmdc_io_offset = imx6sl_mmdc_io_offset, }; +static const struct imx6_pm_socdata imx6sx_pm_data __initconst = { + .cpu_type = MXC_CPU_IMX6SX, + .mmdc_compat = "fsl,imx6sx-mmdc", + .src_compat = "fsl,imx6sx-src", + .iomuxc_compat = "fsl,imx6sx-iomuxc", + .gpc_compat = "fsl,imx6sx-gpc", + .mmdc_io_num = ARRAY_SIZE(imx6sx_mmdc_io_offset), + .mmdc_io_offset = imx6sx_mmdc_io_offset, +}; + /* * This structure is for passing necessary data for low level ocram * suspend code(arch/arm/mach-imx/suspend-imx6.S), if this struct @@ -265,12 +283,12 @@ int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode) val |= 0x3 << BP_CLPCR_STBY_COUNT; val |= BM_CLPCR_VSTBY; val |= BM_CLPCR_SBYOS; - if (cpu_is_imx6sl()) { + if (cpu_is_imx6sl()) val |= BM_CLPCR_BYPASS_PMIC_READY; + if (cpu_is_imx6sl() || cpu_is_imx6sx()) val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS; - } else { + else val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS; - } break; default: return -EINVAL; @@ -549,3 +567,8 @@ void __init imx6sl_pm_init(void) { imx6_pm_common_init(&imx6sl_pm_data); } + +void __init imx6sx_pm_init(void) +{ + imx6_pm_common_init(&imx6sx_pm_data); +} |
