clk: mvebu: ap80x: add AP807 clock support (c0448dce) · Commits · 戴 / test

drivers/clk/mvebu/ap806-system-controller.c

+28 −0

Original line number	Diff line number	Diff line
		@@ -102,6 +102,30 @@ static int ap806_get_sar_clocks(unsigned int freq_mode,
		return 0;
		}

		static int ap807_get_sar_clocks(unsigned int freq_mode,
		unsigned int *cpuclk_freq,
		unsigned int *dclk_freq)
		{
		switch (freq_mode) {
		case 0x0:
		*cpuclk_freq = 2000;
		*dclk_freq = 1200;
		break;
		case 0x6:
		*cpuclk_freq = 2200;
		*dclk_freq = 1200;
		break;
		case 0xD:
		*cpuclk_freq = 1600;
		*dclk_freq = 1200;
		break;
		default:
		return -EINVAL;
		}

		return 0;
		}

		static int ap806_syscon_common_probe(struct platform_device *pdev,
		struct device_node *syscon_node)
		{
		@@ -130,6 +154,9 @@ static int ap806_syscon_common_probe(struct platform_device *pdev,
		if (of_device_is_compatible(pdev->dev.of_node,
		"marvell,ap806-clock")) {
		ret = ap806_get_sar_clocks(freq_mode, &cpuclk_freq, &dclk_freq);
		} else if (of_device_is_compatible(pdev->dev.of_node,
		"marvell,ap807-clock")) {
		ret = ap807_get_sar_clocks(freq_mode, &cpuclk_freq, &dclk_freq);
		} else {
		dev_err(dev, "compatible not supported\n");
		return -EINVAL;
		@@ -252,6 +279,7 @@ builtin_platform_driver(ap806_syscon_legacy_driver);

		static const struct of_device_id ap806_clock_of_match[] = {
		{ .compatible = "marvell,ap806-clock", },
		{ .compatible = "marvell,ap807-clock", },
		{ }
		};