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clk: mmp2: Check for MMP3

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The MMP3's are similar enough to MMP2, but there are differencies, such
are more clocks available on the newer model. We want to tell which
platform are we on.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lkml.kernel.org/r/20200309194254.29009-8-lkundrak@v3.sk
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Lubomir Rintel 2020-03-09 20:42:44 +01:00 committed by Stephen Boyd
parent b90e0eb304
commit 391bbbd2b2
1 changed files with 12 additions and 0 deletions
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12
drivers/clk/mmp/clk-of-mmp2.c
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@ -62,8 +62,14 @@
#define MPMU_UART_PLL 0x14
#define MPMU_PLL2_CR 0x34
enum mmp2_clk_model {
CLK_MODEL_MMP2,
CLK_MODEL_MMP3,
};
struct mmp2_clk_unit {
struct mmp_clk_unit unit;
enum mmp2_clk_model model;
void __iomem *mpmu_base;
void __iomem *apmu_base;
void __iomem *apbc_base;
@ -326,6 +332,11 @@ static void __init mmp2_clk_init(struct device_node *np)
if (!pxa_unit)
return;
if (of_device_is_compatible(np, "marvell,mmp3-clock"))
pxa_unit->model = CLK_MODEL_MMP3;
else
pxa_unit->model = CLK_MODEL_MMP2;
pxa_unit->mpmu_base = of_iomap(np, 0);
if (!pxa_unit->mpmu_base) {
pr_err("failed to map mpmu registers\n");
@ -365,3 +376,4 @@ free_memory:
}
CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);
CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init);