diff options
Diffstat (limited to 'dts/src/arm64/qcom/msm8998.dtsi')
| -rw-r--r-- | dts/src/arm64/qcom/msm8998.dtsi | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/dts/src/arm64/qcom/msm8998.dtsi b/dts/src/arm64/qcom/msm8998.dtsi index 2fda21e810..758c45bbbe 100644 --- a/dts/src/arm64/qcom/msm8998.dtsi +++ b/dts/src/arm64/qcom/msm8998.dtsi @@ -815,6 +815,21 @@ clock-names = "xo", "sleep_clk"; clocks = <&xo>, <&sleep_clk>; + + /* + * The hypervisor typically configures the memory region where these clocks + * reside as read-only for the HLOS. If the HLOS tried to enable or disable + * these clocks on a device with such configuration (e.g. because they are + * enabled but unused during boot-up), the device will most likely decide + * to reboot. + * In light of that, we are conservative here and we list all such clocks + * as protected. The board dts (or a user-supplied dts) can override the + * list of protected clocks if it differs from the norm, and it is in fact + * desired for the HLOS to manage these clocks + */ + protected-clocks = <AGGRE2_SNOC_NORTH_AXI>, + <SSC_XO>, + <SSC_CNOC_AHBS_CLK>; }; rpm_msg_ram: sram@778000 { @@ -2008,10 +2023,13 @@ clocks = <&gcc GCC_CFG_NOC_USB3_AXI_CLK>, <&gcc GCC_USB30_MASTER_CLK>, <&gcc GCC_AGGRE1_USB3_AXI_CLK>, - <&gcc GCC_USB30_MOCK_UTMI_CLK>, - <&gcc GCC_USB30_SLEEP_CLK>; - clock-names = "cfg_noc", "core", "iface", "mock_utmi", - "sleep"; + <&gcc GCC_USB30_SLEEP_CLK>, + <&gcc GCC_USB30_MOCK_UTMI_CLK>; + clock-names = "cfg_noc", + "core", + "iface", + "sleep", + "mock_utmi"; assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>, <&gcc GCC_USB30_MASTER_CLK>; @@ -2025,7 +2043,7 @@ resets = <&gcc GCC_USB_30_BCR>; - usb3_dwc3: dwc3@a800000 { + usb3_dwc3: usb@a800000 { compatible = "snps,dwc3"; reg = <0x0a800000 0xcd00>; interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>; |