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authorBen Peled <bpeled@marvell.com>2019-08-05 13:03:10 +0300
committerStephen Boyd <sboyd@kernel.org>2019-09-18 08:15:41 +0300
commitc0448dce56a49812c889e5f670745c9f49176b00 (patch)
treea4d49a2dc781832c354812ca8981b0c4d17435f1 /drivers/clk/mvebu
parentbe69e55df9afc2eb37a2a602ad607e28e1e553d7 (diff)
downloadlinux-c0448dce56a49812c889e5f670745c9f49176b00.tar.xz
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>
Diffstat (limited to 'drivers/clk/mvebu')
-rw-r--r--drivers/clk/mvebu/ap806-system-controller.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/clk/mvebu/ap806-system-controller.c b/drivers/clk/mvebu/ap806-system-controller.c
index c64e2cc4a3ba..948bd1e71aea 100644
--- a/drivers/clk/mvebu/ap806-system-controller.c
+++ b/drivers/clk/mvebu/ap806-system-controller.c
@@ -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", },
{ }
};