[PATCH v5 3/8] arm64: dts: rockchip: optimize clks for rk3399 dwc3
From: Johan Jonker <hidden>
Date: 2021-02-10 00:06:54
Also in:
linux-devicetree, linux-rockchip, linux-usb, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Wu Liang feng <redacted> Remove unnecessary clocks, refer to rk3399 TRM, aclk_usb3 is the parent of aclk_usb3otg0/1 and aclk_usb3_grf, and we will enable aclk_usb3otg0/1 and aclk_usb3_grf, so don't need to enable aclk_usb3 again. In addition, the aclk_usb3_rksoc_axi_perf clk is used for usb3 performance monitor module which we don't use now, so don't need to enable it. Signed-off-by: Wu Liang feng <redacted> Signed-off-by: Johan Jonker <redacted> --- arch/arm64/boot/dts/rockchip/rk3399.dtsi | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 04f7cc5c3..b125cac89 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi@@ -399,11 +399,9 @@ #size-cells = <2>; ranges; clocks = <&cru SCLK_USB3OTG0_REF>, <&cru SCLK_USB3OTG0_SUSPEND>, - <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_RKSOC_AXI_PERF>, - <&cru ACLK_USB3>, <&cru ACLK_USB3_GRF>; + <&cru ACLK_USB3OTG0>, <&cru ACLK_USB3_GRF>; clock-names = "ref_clk", "suspend_clk", - "bus_clk", "aclk_usb3_rksoc_axi_perf", - "aclk_usb3", "grf_clk"; + "bus_clk", "grf_clk"; resets = <&cru SRST_A_USB3_OTG0>; reset-names = "usb3-otg"; status = "disabled";
@@ -435,11 +433,9 @@ #size-cells = <2>; ranges; clocks = <&cru SCLK_USB3OTG1_REF>, <&cru SCLK_USB3OTG1_SUSPEND>, - <&cru ACLK_USB3OTG1>, <&cru ACLK_USB3_RKSOC_AXI_PERF>, - <&cru ACLK_USB3>, <&cru ACLK_USB3_GRF>; + <&cru ACLK_USB3OTG1>, <&cru ACLK_USB3_GRF>; clock-names = "ref_clk", "suspend_clk", - "bus_clk", "aclk_usb3_rksoc_axi_perf", - "aclk_usb3", "grf_clk"; + "bus_clk", "grf_clk"; resets = <&cru SRST_A_USB3_OTG1>; reset-names = "usb3-otg"; status = "disabled";
--
2.11.0
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