Document the device tree for the clocks sharing a common set of registers
Signed-off-by: Alexandre Belloni <[email protected]>
---
Cc: [email protected]
.../devicetree/bindings/clock/berlin-clock.txt | 29 ++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/Documentation/devicetree/bindings/clock/berlin-clock.txt
b/Documentation/devicetree/bindings/clock/berlin-clock.txt
index 49bc229827a0..6d374066d6b9 100644
--- a/Documentation/devicetree/bindings/clock/berlin-clock.txt
+++ b/Documentation/devicetree/bindings/clock/berlin-clock.txt
@@ -11,10 +11,18 @@ Required properties:
CPU PLL and System PLL
"marvell,berlin2-clk":
simple clocks
+ "marvell,berlin2-clkgrp":
+ clocks sharing a common set of registers
- reg: Address and length of the clock register set.
- #clock-cells: from common clock binding; shall be set to 0.
- clocks: from common clock binding
+For the clock groups:
+- marvell,clk-switch-offset: offset in bits to the first bit related to the
+ clock in the switch registers
+- marvell,clk-select-offset: offset in bits to the first bit related to the
+ clock in the selection registers.
+
smclk: sysmgr-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -34,3 +42,24 @@ sdio0xinclk: sdio0xinclk@ea023c {
#clock-cells = <0>;
reg = <0xea023c 0x4>;
};
+
+
+grpclk: grpclk@ea00ec {
+ compatible = "marvell,berlin-clkgrp";
+ clocks = <&syspll>;
+ reg = <0xea00f8 0x4>, <0xea00ec 0xc>;
+
+ cfgclk: cfgclk {
+ #clock-cells = <0>;
+ marvell,clk-switch-offset = <9>;
+ marvell,clk-select-offset = <12>;
+ };
+
+ nfcecccclk: nfcecccclk {
+ #clock-cells = <0>;
+ marvell,clk-switch-offset = <27>;
+ marvell,clk-select-offset = <50>;
+ };
+};
+
+
--
1.9.1
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