C++ (Cpp) CLK_UN_GATEの例

コード例 #1

ファイル: i2c_sram.c プロジェクト: rychly/rk3026-linux-sources

void __sramfunc sram_i2c_init(void)
{
	unsigned int div, divl, divh;
	//enable cru_clkgate8 clock
	data[1] = cru_readl(CLK_GATE_CLKID_CONS(CLK_GATE_CLKID(8)));

#if defined (CONFIG_MACH_RK2928_SDK) || defined( CONFIG_ARCH_RK3026_TB)||defined(CONFIG_ARCH_RK3028A_TB)
	cru_writel(CLK_GATE_W_MSK(CLK_GATE_PCLK_I2C1)|CLK_UN_GATE(CLK_GATE_PCLK_I2C1), 
	CLK_GATE_CLKID_CONS(CLK_GATE_PCLK_I2C1));
#else
	cru_writel(CLK_GATE_W_MSK(CLK_GATE_PCLK_I2C0)|CLK_UN_GATE(CLK_GATE_PCLK_I2C0), 
	CLK_GATE_CLKID_CONS(CLK_GATE_PCLK_I2C0));
#endif

	data[2] = readl_relaxed(RK2928_GRF_BASE + GRF_GPIO_IOMUX);
	writel_relaxed(data[2]| I2C_GRF_GPIO_IOMUX, RK2928_GRF_BASE + GRF_GPIO_IOMUX);

	div = 0x1e;
	divh = divl = 0xf;		
	writel_relaxed(I2C_CLKDIV_VAL(divl, divh), SRAM_I2C_ADDRBASE + I2C_CLKDIV);
	data[3] = readl_relaxed(SRAM_I2C_ADDRBASE + I2C_CLKDIV);
}

コード例 #2

ファイル: i2c_sram.c プロジェクト: Ciastex/kernel_rk3168_86v_yk

void __sramfunc sram_i2c_init()
{
	  unsigned int div, divl, divh;
    //enable cru_clkgate8 clock
    data[1] = cru_readl(CLK_GATE_CLKID_CONS(CLK_GATE_CLKID(8)));
	
    cru_writel(CLK_GATE_W_MSK(CLK_GATE_PCLK_I2C1)|CLK_UN_GATE(CLK_GATE_PCLK_I2C1), 
		CLK_GATE_CLKID_CONS(CLK_GATE_PCLK_I2C1));
	
    data[2] = readl_relaxed(RK30_GRF_BASE + GRF_GPIO_IOMUX);
    writel_relaxed(data[2]| I2C_GRF_GPIO_IOMUX, RK30_GRF_BASE + GRF_GPIO_IOMUX);
	
	div = 0x1e;
	divh = divl = 0xf;	
	writel_relaxed(I2C_CLKDIV_VAL(divl, divh), SRAM_I2C_ADDRBASE + I2C_CLKDIV);
	data[3]  = readl_relaxed(SRAM_I2C_ADDRBASE + I2C_CLKDIV);
	
}