From: Yuantian Tang <andy.tang@xxxxxxx>
More divider clocks are needed by IP. So enlarge the PLL divider
array to accommodate more divider clocks.
Signed-off-by: Tang Yuantian <andy.tang@xxxxxxx>
---
Documentation/devicetree/bindings/clock/qoriq-clock.txt | 1 +
drivers/clk/clk-qoriq.c | 9 ++++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/clock/qoriq-clock.txt b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
index 6498e1fdbb33..97f46adac85f 100644
--- a/Documentation/devicetree/bindings/clock/qoriq-clock.txt
+++ b/Documentation/devicetree/bindings/clock/qoriq-clock.txt
@@ -78,6 +78,7 @@ second cell is the clock index for the specified type.
2 hwaccel index (n in CLKCGnHWACSR)
3 fman 0 for fm1, 1 for fm2
4 platform pll 0=pll, 1=pll/2, 2=pll/3, 3=pll/4
+ 4=pll/5, 5=pll/6, 6=pll/7, 7=pll/8
5 coreclk must be 0
3. Example
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index b0ea753b8709..c2cd3f01fd62 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -41,7 +41,7 @@ struct clockgen_pll_div {
};
struct clockgen_pll {
- struct clockgen_pll_div div[4];
+ struct clockgen_pll_div div[8];
};
#define CLKSEL_VALID 1
@@ -1127,6 +1127,13 @@ static void __init create_one_pll(struct clockgen *cg, int idx)
struct clk *clk;
int ret;
+ /*
+ * For platform PLL, there are 8 divider clocks.
+ * For core PLL, there are 4 divider clocks at most.
+ */
+ if (i != 0 && i >= 4)
+ break;
+
snprintf(pll->div[i].name, sizeof(pll->div[i].name),
"cg-pll%d-div%d", idx, i + 1);
--
2.14.1
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