[07/10] clk: mmp2: Check for MMP3
diff mbox series

Message ID 20200219073353.184336-8-lkundrak@v3.sk
State New
Headers show
Series
  • MMP2 CLK Update
Related show

Commit Message

Lubomir Rintel Feb. 19, 2020, 7:33 a.m. UTC
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>
---
 drivers/clk/mmp/clk-of-mmp2.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

Patch
diff mbox series

diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index 251d8d0e78abb..7594a8280b93a 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -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);