[RFC,3/3] arm64: dts: imx8mn-bsh-smm-s2/pro: Add pmic clock connection

Commit Message

Michael Nazzareno Trimarchi June 5, 2022, 4:57 p.m. UTC

pmic clock is connected to svns_rtc using RTC_XTALI pin so we
need to mark this clock as critical. The clock source even the
wifi/bluetooth chipset

Signed-off-by: Michael Trimarchi <[e-mail]>
---
 arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

Patch

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
index c11895d9d582..072d2c480f20 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi
@@ -28,6 +28,8 @@  usdhc2_pwrseq: usdhc2-pwrseq {
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_usdhc2_pwrseq>;
 		reset-gpios = <&gpio4 27 GPIO_ACTIVE_LOW>;
+		clocks = <&bd71847 0>;
+		clock-names = "ext_clock";
 	};
 };
 
@@ -92,6 +94,7 @@  bd71847: pmic@4b {
 		rohm,reset-snvs-powered;
 
 		#clock-cells = <0>;
+		clock-critical = <1>;
 		clocks = <&osc_32k 0>;
 		clock-output-names = "clk-32k-out";
 
@@ -235,6 +238,8 @@  bluetooth {
 		shutdown-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
 		device-wakeup-gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
 		host-wakeup-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+		clocks = <&bd71847 0>;
+		clock-names = "lpo";
 		max-speed = <3000000>;
 	};
 };