Commit 9dff1deb authored Sep 07, 2020 by Krzysztof Kozlowski Committed by Greg Kroah-Hartman Sep 23, 2023

ARM: dts: s5pv210: add RTC 32 KHz clock in SMDKV210



[ Upstream commit 7260b363457a22b8723d5cbc43fee67397896d07 ]

The S3C RTC requires 32768 Hz clock as input which is provided by PMIC.
However the PMIC is not described in DTS at all so at least add
a workaround to model its clock with a fixed-clock.

This fixes dtbs_check warnings:

  rtc@e2800000: clocks: [[2, 145]] is too short
  rtc@e2800000: clock-names: ['rtc'] is too short

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200907161141.31034-15-krzk@kernel.org


Stable-dep-of: 982655cb0e7f ("ARM: dts: samsung: s5pv210-smdkv210: correct ethernet reg addresses (split)")
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent df9929c6

arch/arm/boot/dts/s5pv210-smdkv210.dts

+9 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,13 @@
		reg = <0x20000000 0x40000000>;
		};

		pmic_ap_clk: clock-0 {
		/* Workaround for missing PMIC and its clock */
		compatible = "fixed-clock";
		#clock-cells = <0>;
		clock-frequency = <32768>;
		};

		ethernet@18000000 {
		compatible = "davicom,dm9000";
		reg = <0xA8000000 0x2 0xA8000002 0x2>;
		@@ -147,6 +154,8 @@

		&rtc {
		status = "okay";
		clocks = <&clocks CLK_RTC>, <&pmic_ap_clk>;
		clock-names = "rtc", "rtc_src";
		};

		&sdhci0 {