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authorLubomir Rintel <lkundrak@v3.sk>2020-03-09 20:42:46 +0100
committerStephen Boyd <sboyd@kernel.org>2020-03-20 18:19:32 -0700
commita70812b1881566001e001dfe966ea724d889c071 (patch)
tree4acddbc2340d25a6df30d2e2553eace046def4ed /drivers/clk/mmp
parent4d6da655d1871fadcb2b5de086e5a35883e22c95 (diff)
downloadlinux-a70812b1881566001e001dfe966ea724d889c071.tar.gz
clk: mmp2: Add PLLs that are available on MMP3
There are more PLLs on MMP3 and are configured slightly differently.
Tested on a MMP3-based Dell Wyse 3020 machine.

Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lkml.kernel.org/r/20200309194254.29009-10-lkundrak@v3.sk
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/mmp')
-rw-r--r--drivers/clk/mmp/clk-of-mmp2.c34
1 files changed, 27 insertions, 7 deletions
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c
index 7594a8280b93..310d77855f03 100644
--- a/drivers/clk/mmp/clk-of-mmp2.c
+++ b/drivers/clk/mmp/clk-of-mmp2.c
@@ -57,10 +57,16 @@
 #define APMU_USBHSIC0	0xf8
 #define APMU_USBHSIC1	0xfc
 
-#define MPMU_FCCR	0x8
-#define MPMU_POSR	0x10
-#define MPMU_UART_PLL	0x14
-#define MPMU_PLL2_CR	0x34
+#define MPMU_FCCR		0x8
+#define MPMU_POSR		0x10
+#define MPMU_UART_PLL		0x14
+#define MPMU_PLL2_CR		0x34
+/* MMP3 specific below */
+#define MPMU_PLL3_CR		0x50
+#define MPMU_PLL3_CTRL1		0x58
+#define MPMU_PLL1_CTRL		0x5c
+#define MPMU_PLL_DIFF_CTRL	0x68
+#define MPMU_PLL2_CTRL1		0x414
 
 enum mmp2_clk_model {
 	CLK_MODEL_MMP2,
@@ -86,6 +92,14 @@ static struct mmp_param_pll_clk pll_clks[] = {
 	{MMP2_CLK_PLL2,   "pll2",           0, MPMU_PLL2_CR,       0x0300, MPMU_PLL2_CR, 10},
 };
 
+static struct mmp_param_pll_clk mmp3_pll_clks[] = {
+	{MMP2_CLK_PLL2,   "pll1",   797330000, MPMU_FCCR,          0x4000, MPMU_POSR,     0,      26000000, MPMU_PLL1_CTRL,      25},
+	{MMP2_CLK_PLL2,   "pll2",           0, MPMU_PLL2_CR,       0x0300, MPMU_PLL2_CR, 10,      26000000, MPMU_PLL2_CTRL1,     25},
+	{MMP3_CLK_PLL1_P, "pll1_p",         0, MPMU_PLL_DIFF_CTRL, 0x0010, 0,             0,     797330000, MPMU_PLL_DIFF_CTRL,   0},
+	{MMP3_CLK_PLL2_P, "pll2_p",         0, MPMU_PLL_DIFF_CTRL, 0x0100, MPMU_PLL2_CR, 10,      26000000, MPMU_PLL_DIFF_CTRL,   5},
+	{MMP3_CLK_PLL3,   "pll3",           0, MPMU_PLL3_CR,       0x0300, MPMU_PLL3_CR, 10,      26000000, MPMU_PLL3_CTRL1,     25},
+};
+
 static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = {
 	{MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0},
 	{MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0},
@@ -127,9 +141,15 @@ static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit)
 	mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
 					ARRAY_SIZE(fixed_rate_clks));
 
-	mmp_register_pll_clks(unit, pll_clks,
-				pxa_unit->mpmu_base,
-				ARRAY_SIZE(pll_clks));
+	if (pxa_unit->model == CLK_MODEL_MMP3) {
+		mmp_register_pll_clks(unit, mmp3_pll_clks,
+					pxa_unit->mpmu_base,
+					ARRAY_SIZE(mmp3_pll_clks));
+	} else {
+		mmp_register_pll_clks(unit, pll_clks,
+					pxa_unit->mpmu_base,
+					ARRAY_SIZE(pll_clks));
+	}
 
 	mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
 					ARRAY_SIZE(fixed_factor_clks));