clk: mvebu: ap80x: add AP807 clock support
Add driver support for AP807 clock. Signed-off-by: Ben Peled <bpeled@marvell.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lkml.kernel.org/r/20190805100310.29048-9-miquel.raynal@bootlin.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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@ -102,6 +102,30 @@ static int ap806_get_sar_clocks(unsigned int freq_mode,
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return 0;
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return 0;
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}
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}
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static int ap807_get_sar_clocks(unsigned int freq_mode,
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unsigned int *cpuclk_freq,
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unsigned int *dclk_freq)
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{
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switch (freq_mode) {
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case 0x0:
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*cpuclk_freq = 2000;
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*dclk_freq = 1200;
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break;
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case 0x6:
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*cpuclk_freq = 2200;
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*dclk_freq = 1200;
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break;
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case 0xD:
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*cpuclk_freq = 1600;
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*dclk_freq = 1200;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int ap806_syscon_common_probe(struct platform_device *pdev,
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static int ap806_syscon_common_probe(struct platform_device *pdev,
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struct device_node *syscon_node)
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struct device_node *syscon_node)
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{
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{
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@ -130,6 +154,9 @@ static int ap806_syscon_common_probe(struct platform_device *pdev,
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if (of_device_is_compatible(pdev->dev.of_node,
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if (of_device_is_compatible(pdev->dev.of_node,
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"marvell,ap806-clock")) {
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"marvell,ap806-clock")) {
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ret = ap806_get_sar_clocks(freq_mode, &cpuclk_freq, &dclk_freq);
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ret = ap806_get_sar_clocks(freq_mode, &cpuclk_freq, &dclk_freq);
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} else if (of_device_is_compatible(pdev->dev.of_node,
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"marvell,ap807-clock")) {
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ret = ap807_get_sar_clocks(freq_mode, &cpuclk_freq, &dclk_freq);
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} else {
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} else {
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dev_err(dev, "compatible not supported\n");
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dev_err(dev, "compatible not supported\n");
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return -EINVAL;
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return -EINVAL;
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@ -252,6 +279,7 @@ builtin_platform_driver(ap806_syscon_legacy_driver);
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static const struct of_device_id ap806_clock_of_match[] = {
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static const struct of_device_id ap806_clock_of_match[] = {
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{ .compatible = "marvell,ap806-clock", },
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{ .compatible = "marvell,ap806-clock", },
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{ .compatible = "marvell,ap807-clock", },
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{ }
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{ }
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};
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};
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