| Message ID | 20220913102141.971148-3-m.felsch@pengutronix.de (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | Propose critical clocks | expand |
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi index 7d6317d95b13..0e950ef61900 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi @@ -195,6 +195,7 @@ pmic@4b { #clock-cells = <0>; clocks = <&osc_32k 0>; clock-output-names = "clk-32k-out"; + clocks-always-on = "clk-32k-out"; regulators { buck1_reg: BUCK1 {
This clock is critical for the system since it supplies the 32k SoC clock. Unfortunately the imx8mm.dtsi uses a fixed clock provider for the 32k SoC clock and not this one. If it would use this clock we would add a cycle-dependency since the pmic driver depends on the i2c driver which depends on the clock driver. Therefore use the new "clocks-always-on" macro to mark the clock as critical, so it is never turned off by the kernel. Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> --- arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 1 + 1 file changed, 1 insertion(+)