[PATCH 1/2] clk: si5351: Add DT property for phase offset
From: Jens Renner <hidden>
Date: 2021-09-13 08:53:02
Also in:
linux-clk
Subsystem:
common clk framework, open firmware and flattened device tree bindings, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add optional output clock DT property "clock-phase" to configure the phase offset in degrees with respect to other clock outputs. Add missing description for related optional output clock DT property "clock-frequency". Signed-off-by: Jens Renner <redacted> --- .../devicetree/bindings/clock/silabs,si5351.txt | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/silabs,si5351.txt b/Documentation/devicetree/bindings/clock/silabs,si5351.txt
index 8fe6f80afade..62adf0d0874b 100644
--- a/Documentation/devicetree/bindings/clock/silabs,si5351.txt
+++ b/Documentation/devicetree/bindings/clock/silabs,si5351.txt@@ -50,11 +50,17 @@ Optional child node properties: divider. - silabs,pll-master: boolean, multisynth can change pll frequency. - silabs,pll-reset: boolean, clock output can reset its pll. -- silabs,disable-state : clock output disable state, shall be +- silabs,disable-state: clock output disable state, shall be 0 = clock output is driven LOW when disabled 1 = clock output is driven HIGH when disabled 2 = clock output is FLOATING (HIGH-Z) when disabled 3 = clock output is NEVER disabled +- clock-frequency: integer in Hz, output frequency to generate (2500-200000000) + This defines the output frequency set during boot. It can be reprogrammed + duing runtime through the common clock framework. +- clock-phase: integer, phase shift in degrees (0-359), using the multisynth + initial phase offset register (depends on the clock source / output ratio) + and the clock output inverter (180 deg. only). ==Example==
@@ -111,7 +117,7 @@ i2c-master-node { silabs,drive-strength = <4>; silabs,multisynth-source = <1>; silabs,clock-source = <0>; - pll-master; + silabs,pll-master; }; /*
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2.33.0