arm64: dts: qcom: setup PDC as the wakeup parent for TLMM on SDM845

PDC always-on interrupt controller can detect certain GPIOs even when
the TLMM interrupt controller is powered off. Link the PDC as TLMM's
wakeup parent.

Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1573855915-9841-12-git-send-email-ilina@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 6c2fa3e..70c6e99 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1447,6 +1447,7 @@
                        interrupt-controller;
                        #interrupt-cells = <2>;
                        gpio-ranges = <&tlmm 0 0 150>;
+                       wakeup-parent = <&pdc_intc>;
 
                        qspi_clk: qspi-clk {
                                pinmux {