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arm64: dts: imx8mn-ddr4-evk: Describe the 32.768 kHz PMIC clock
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[ Upstream commit 0310b5a ]

The ROHM BD71847 PMIC has a 32.768 kHz clock.

Describe the PMIC clock to fix the following boot errors:

bd718xx-clk bd71847-clk.1.auto: No parent clk found
bd718xx-clk: probe of bd71847-clk.1.auto failed with error -22

Based on the same fix done for imx8mm-evk as per commit
a6a355e ("arm64: dts: imx8mm-evk: Add 32.768 kHz clock to PMIC")

Fixes: 3e44dd0 ("arm64: dts: imx8mn-ddr4-evk: Add rohm,bd71847 PMIC support")
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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Fabio Estevam authored and gregkh committed May 9, 2022
1 parent a621f6c commit 111827d
Showing 1 changed file with 4 additions and 0 deletions.
4 changes: 4 additions & 0 deletions arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
Expand Up @@ -59,6 +59,10 @@
interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
rohm,reset-snvs-powered;

#clock-cells = <0>;
clocks = <&osc_32k 0>;
clock-output-names = "clk-32k-out";

regulators {
buck1_reg: BUCK1 {
regulator-name = "buck1";
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