diff options
| author |   Ben Peled <bpeled@marvell.com> | 2019-08-05 12:03:10 +0200 |
|---|---|---|
| committer |   Stephen Boyd <sboyd@kernel.org> | 2019-09-17 22:15:41 -0700 |
| commit | c0448dce56a49812c889e5f670745c9f49176b00 (patch) | |
| tree | a4d49a2dc781832c354812ca8981b0c4d17435f1 /drivers/clk | |
| parent | clk: mvebu: ap806: Prepare the introduction of AP807 clock support (diff) | |
| download | linux-dev-c0448dce56a49812c889e5f670745c9f49176b00.tar.xz linux-dev-c0448dce56a49812c889e5f670745c9f49176b00.zip | |
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')
| -rw-r--r-- | drivers/clk/mvebu/ap806-system-controller.c | 28 |
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", }, { } }; |