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suspend: power optimization for vccio(usb to uart bypass)

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This commit is contained in:
许盛飞
2012-12-20 10:14:42 +08:00
parent 966f8f27c5
commit ffdb90f037
1 changed files with 4 additions and 1 deletions
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5
arch/arm/mach-rk2928/pm.c
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@@ -281,6 +281,7 @@ static void __sramfunc rk2928_sram_suspend(void)
u32 cru_clksel0_con;
u32 clkgt_regs[CRU_CLKGATES_CON_CNT];
int i;
u32 grf_uoc1_con;
sram_printch('5');
ddr_suspend();
@@ -290,7 +291,8 @@ static void __sramfunc rk2928_sram_suspend(void)
board_pmu_suspend();
sram_printch('7');
grf_uoc1_con = grf_readl(GRF_UOC1_CON4);
grf_writel(0x30000000,GRF_UOC1_CON4);
for (i = 0; i < CRU_CLKGATES_CON_CNT; i++) {
clkgt_regs[i] = cru_readl(CRU_CLKGATES_CON(i));
}
@@ -337,6 +339,7 @@ static void __sramfunc rk2928_sram_suspend(void)
cru_writel(clkgt_regs[i] | 0xffff0000, CRU_CLKGATES_CON(i));
}
grf_writel(0x30000000|grf_uoc1_con,GRF_UOC1_CON4);
sram_printch('7');
board_pmu_resume();
rk30_pwm_logic_resume_voltage();