C++ (Cpp) clk_pllv3_power_up_down示例

示例#1

文件： clk-pllv3.c 项目： aaron076/linux-imx6

static void clk_pllv3_disable(struct clk_hw *hw)
{
	struct clk_pllv3 *pll = to_clk_pllv3(hw);
	u32 val;

	val = readl_relaxed(pll->base);
	if (!pll->always_on)
		val &= ~BM_PLL_ENABLE;
	writel_relaxed(val, pll->base);

	if (pll->rate_req != BYPASS_RATE)
		clk_pllv3_power_up_down(hw, false);
}

示例#2

文件： clk-pllv3.c 项目： pgielda/imx6-linux

static int clk_pllv3_do_hardware(struct clk_hw *hw, bool enable)
{
	struct clk_pllv3 *pll = to_clk_pllv3(hw);
	u32 val;

	if (enable) {
		if (pll->rate_req != BYPASS_RATE)
			clk_pllv3_power_up_down(hw, true);
		val = readl_relaxed(pll->base);
		val |= BM_PLL_ENABLE;
		writel_relaxed(val, pll->base);
	} else {
		val = readl_relaxed(pll->base);
		if (!pll->always_on)
			val &= ~BM_PLL_ENABLE;
		writel_relaxed(val, pll->base);

		if (pll->rate_req != BYPASS_RATE)
			clk_pllv3_power_up_down(hw, false);
	}

	return 0;
}

示例#3

文件： clk-pllv3.c 项目： aaron076/linux-imx6

static int clk_pllv3_enable(struct clk_hw *hw)
{
	struct clk_pllv3 *pll = to_clk_pllv3(hw);
	u32 val;
	
	if (pll->rate_req != BYPASS_RATE)
		clk_pllv3_power_up_down(hw, true);

	val = readl_relaxed(pll->base);
	val |= BM_PLL_ENABLE;
	writel_relaxed(val, pll->base);

	return 0;
}