[PATCH v6 2/5] arm64: dts: imx8mp: Add mu2 root clock

[Daniel Baluta]

Enable MU2 node and add mu2 root clock.
MU2 is used to communicate with DSP core.

Reviewed-by: Iuliana Prodan <iuliana.pro...@nxp.com>
Reviewed-by: Peng Fan <peng....@nxp.com>
Signed-off-by: Daniel Baluta <daniel.bal...@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 4 ++++
 arch/arm64/boot/dts/freescale/imx8mp.dtsi    | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts 
b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index c26954e5a605..d2fdb420f2d3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -690,6 +690,10 @@ dsi_out: endpoint {
        };
 };
 
+&mu2 {
+       status = "okay";
+};
+
 &pcie_phy {
        fsl,refclk-pad-mode = <IMX8_PCIE_REFCLK_PAD_INPUT>;
        clocks = <&pcie0_refclk>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi 
b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 3b725fe442d0..deb98f03180a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1254,6 +1254,7 @@ mu2: mailbox@30e60000 {
                                interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
                                #mbox-cells = <2>;
                                status = "disabled";
+                               clocks = <&audio_blk_ctrl 
IMX8MP_CLK_AUDIOMIX_MU2_ROOT>;
                        };
 
                        i2c5: i2c@30ad0000 {
-- 
2.43.0