AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

clk: mmp2: Check for MMP3

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/clk/mmp/clk-of-mmp2.c
View File

@ -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 @@ static void __init mmp2_clk_init(struct device_node *np)
}
CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);
CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init);