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[RESEND,next,v2,2/6] ARM: dts: k2e-clocks: add input ext. fixed clocks tsipclka/b

Message ID 20190705151247.30422-3-grygorii.strashko@ti.com
State New
Headers show
Series ARM: keystone: update dt and enable cpts support | expand

Commit Message

Grygorii Strashko July 5, 2019, 3:12 p.m. UTC 
Add set of fixed, external input clocks definitions for TSIPCLKA, TSIPCLKB
clocks. Such clocks can be used as reference clocks for some HW modules (as
cpts, for example) by configuring corresponding clock muxes. For these
clocks real frequencies have to be defined in board files.

Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>

---
 arch/arm/boot/dts/keystone-k2e-clocks.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

-- 
2.17.1
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/keystone-k2e-clocks.dtsi b/arch/arm/boot/dts/keystone-k2e-clocks.dtsi
index f7592155a740..cf30e007fea3 100644
--- a/arch/arm/boot/dts/keystone-k2e-clocks.dtsi
+++ b/arch/arm/boot/dts/keystone-k2e-clocks.dtsi
@@ -71,4 +71,24 @@  clocks {
 		reg-names = "control", "domain";
 		domain-id = <29>;
 	};
+
+	/*
+	 * Below are set of fixed, input clocks definitions,
+	 * for which real frequencies have to be defined in board files.
+	 * Those clocks can be used as reference clocks for some HW modules
+	 * (as cpts, for example) by configuring corresponding clock muxes.
+	 */
+	tsipclka: tsipclka {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <0>;
+		clock-output-names = "tsipclka";
+	};
+
+	tsipclkb: tsipclkb {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <0>;
+		clock-output-names = "tsipclkb";
+	};
 };