Commit 391bbbd2 authored by Lubomir Rintel's avatar Lubomir Rintel Committed by Stephen Boyd
Browse files

clk: mmp2: Check for MMP3 



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: default avatarLubomir Rintel <lkundrak@v3.sk>
Link: https://lkml.kernel.org/r/20200309194254.29009-8-lkundrak@v3.sk


Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent b90e0eb3

drivers/clk/mmp/clk-of-mmp2.c

+12 −0
Original line number Diff line number Diff line
@@ -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);