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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>
This commit is contained in:
Ben Peled 2019-08-05 12:03:10 +02:00 committed by Stephen Boyd
parent be69e55df9
commit c0448dce56
1 changed files with 28 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/clk/mvebu/ap806-system-controller.c
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@ -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", },
{ }
};