On i.MX8QXP, SCU uses MU1 general interrupt channel #3 to notify user for IRQs of RTC alarm, thermal alarm and WDOG etc., mailbox RX doorbell mode is used for this function, this patch adds support for it. Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> Reviewed-by: Dong Aisheng <aisheng.dong@xxxxxxx> --- No changes. --- arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index 0cb9398..70ef3db 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -21,6 +21,7 @@ mmc1 = &usdhc2; mmc2 = &usdhc3; serial0 = &adma_lpuart0; + mu1 = &lsio_mu1; }; cpus { @@ -117,7 +118,8 @@ scu { compatible = "fsl,imx-scu"; mbox-names = "tx0", "tx1", "tx2", "tx3", - "rx0", "rx1", "rx2", "rx3"; + "rx0", "rx1", "rx2", "rx3", + "gip3"; mboxes = <&lsio_mu1 0 0 &lsio_mu1 0 1 &lsio_mu1 0 2 @@ -125,7 +127,8 @@ &lsio_mu1 1 0 &lsio_mu1 1 1 &lsio_mu1 1 2 - &lsio_mu1 1 3>; + &lsio_mu1 1 3 + &lsio_mu1 3 3>; clk: clock-controller { compatible = "fsl,imx8qxp-clk"; -- 2.7.4