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RK29MobileSDK: Open Uart0 CLK when system in sleep;

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This commit is contained in:
phc
2011-05-12 15:18:17 +08:00
parent 7aded3a044
commit 9e3e1986b4
2 changed files with 8 additions and 2 deletions
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4
arch/arm/mach-rk29/pm.c
View File

@@ -404,7 +404,7 @@ static int rk29_pm_enter(suspend_state_t state)
clkgate[1] = cru_readl(CRU_CLKGATE1_CON);
clkgate[2] = cru_readl(CRU_CLKGATE2_CON);
clkgate[3] = cru_clkgate3_con_mirror;
cru_writel(~((1 << CLK_GATE_CORE)
cru_writel((~((1 << CLK_GATE_CORE)
| (1 << CLK_GATE_ACLK_CPU)
| (1 << CLK_GATE_ACLK_CPU2)
| (1 << CLK_GATE_PCLK_CPU)
@@ -416,7 +416,7 @@ static int rk29_pm_enter(suspend_state_t state)
| (1 << CLK_GATE_GPIO0)
| (1 << CLK_GATE_RTC)
| (1 << CLK_GATE_GRF)
) | clkgate[0], CRU_CLKGATE0_CON);
) | clkgate[0])&(~(1 << CLK_GATE_UART0)), CRU_CLKGATE0_CON);
cru_writel(~0, CRU_CLKGATE1_CON);
cru_writel(~((1 << CLK_GATE_GPIO1 % 32)
| (1 << CLK_GATE_GPIO2 % 32)

6
drivers/misc/mtk23d.c
View File

@@ -145,6 +145,12 @@ static int mtk23d_open(struct inode *inode, struct file *file)
{
power_on = 0;
modem_poweron_off(1);
#if 1 // phc
rk29_mux_api_set(GPIO1B7_UART0SOUT_NAME, GPIO1L_UART0_SOUT);
rk29_mux_api_set(GPIO1B6_UART0SIN_NAME, GPIO1L_UART0_SIN);
rk29_mux_api_set(GPIO1C1_UART0RTSN_SDMMC1WRITEPRT_NAME, GPIO1H_UART0_RTS_N);
rk29_mux_api_set(GPIO1C0_UART0CTSN_SDMMC1DETECTN_NAME, GPIO1H_UART0_CTS_N);
#endif
}
device_init_wakeup(&pdev, 1);