mirror of https://gitee.com/openkylin/linux.git
3f0ea7645a
Add offset & mask fields to struct powerdomain In case of AM33xx family of devices, there is no consistency between PWRSTCTRL & PWRSTST register offsers in PRM space, for example - PRM_XXX PWRSTCTRL PWRSTST ======================================= PRM_PER_MOD: 0x0C, 0x08 PRM_WKUP_MOD: 0x04, 0x08 PRM_MPU_MOD: 0x00, 0x04 PRM_DEVICE_MOD: NA, NA And also, there is no consistency between bit-offsets inside PWRSTCTRL & PWRSTST register, for example - PRM_XXX LOGICRET MEMON MEMRET ======================================= GFX_PWRCTRL: 2, 17, 6 PER_PWRCTRL: 3, 25, 29 MPU_PWRCTRL: 2, 18, 22 WKUP_PWRCTRL: 3, NA, NA This means, we need to maintain and pass on all this information in powerdomain handle; so adding fields for, - PWRSTCTRL/ST register offset - Logic retention state mask - mem_on/ret/pwrst/retst mask Currently, this fields is only applicable and used for AM33XX devices. Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Tony Lindgren <tony@atomide.com> Cc: Kevin Hilman <khilman@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Rajendra Nayak <rnayak@ti.com> [paul@pwsan.com: this patch is a combination of "Add offset & mask fields to struct powerdomain" and the powerdomain portions of "ARM: OMAP3+: am33xx: Add powerdomain & PRM support"; updated for 3.5] Signed-off-by: Paul Walmsley <paul@pwsan.com> |
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