CHROMIUM: arm64: dts: rockchip: add devfreq node to isp
we need to disable ddr dvfs when isp streaming start,
add the devfreq node to isp, so we can control it.
BUG=b:36227021
TEST=to capture frames, check ddr frequency in 928MHz
Change-Id: If1baca139d661e2feae7383957b04e4a145422ac
Signed-off-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/795531
Commit-Ready: Shunqian Zheng <zhengsq@rock-chips.com>
Tested-by: Shunqian Zheng <zhengsq@rock-chips.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 41c3274..f1f466c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1753,6 +1753,7 @@
clock-names = "clk_isp",
"aclk_isp", "aclk_isp_wrap",
"hclk_isp", "hclk_isp_wrap";
+ devfreq = <&dmc>;
power-domains = <&power RK3399_PD_ISP0>;
iommus = <&isp0_mmu>;
status = "disabled";
