Software control
Hardware control
SYS_CLK
DSS2_ALWON_FCLK
Source selection/division
GC
PRCM.CM_FCLKEN_DSS[1]
EN_DSS2
PRCM.CM_CLKSEL_DSS[4:0]
CLKSEL_DSS1
GC
DSS1_ALWON_FCLK
PRCM.CM_FCLKEN_DSS[0]
EN_DSS1
PRCM.CM_CLKEN_PLL[18:16]
EN_PERIPH_DPLL
PRCM.CM_AUTOIDLE_PLL[5:3]
AUTO_PERIPH_DPLL
DPLL4_ALWON_FCLK
PRCM.CM_CLKSEL2_PLL[18:8]
PERIPH_DPLL_MULT
PRCM.CM_CLKSEL2_PLL[6:0]
PERIPH_DPLL_DIV
DSS_TV_FCLK
GC
PRCM.CM_FCLKEN_DSS[2]
EN_TV
L3_ICLK
DSS_L3_ICLK
PRCM.CM_ICLKEN_DSS[0]
EN_DSS
PRCM.CM_AUTOIDLE_DSS[0]
AUTO_DSS
GC
PRCM.CM_CLKSEL1_PLL[5]
SOURCE_54M
PRCM.CM_CLKSEL_DSS[12:8]
CLKSEL_TV
sys_altclk
96M_FCLK
L4_ICLK
DSS_L4_ICLK
GC
prcm-065
Public Version
PRCM Functional Description
www.ti.com
Figure 3-68. DSS Power Domain Clock Controls
Table 3-52. DSS Power Domain Clock-Gating Controls
Clock Name
Reset
Clock-Gating Control
Gating Description
DSS1_ALWON_FCLK
Stopped
PRCM.
[0] EN_DSS1
Gated when the enable bit is set to 0
DSS2_ALWON_FCLK
Stopped
PRCM.
[1] EN_DSS2
Gated when the enable bit is set to 0
DSS_TV_FCLK
Stopped
PRCM.
[2] EN_TV
Gated when the enable bit is set to 0
DSS_L3_ICLK
Stopped
PRCM.
[0] EN_DSS,
Gated when:
PRCM.
[0]
• Enable bit is set to 0.
AUTO_DSS
• Enable-autoidle bit pair is set to 1,
and the clock is not requested by any
module.
DSS_L4_ICLK
Stopped
3.5.3.7.9 CAM Power Domain Clock Controls
This section describes all modules and features in the high-tier device. To save power, ensure that power
domains of unavailable features and modules are switched off and clocks are cut off.
shows the clock controls for the CAM power domain.
lists the clock-gating controls
for the CAM power domain.
344
Power, Reset, and Clock Management
SWPU177N – December 2009 – Revised November 2010
Copyright © 2009–2010, Texas Instruments Incorporated