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From: Stephen Boyd <swboyd@chromium.org>
To: Rajendra Nayak <rnayak@codeaurora.org>,
	Taniya Das <tdas@codeaurora.org>,
	agross@kernel.org, bjorn.andersson@linaro.org,
	robh+dt@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 06/13] arm64: dts: qcom: SC7280: Add rpmhcc clock controller node
Date: Wed, 03 Mar 2021 00:21:25 -0800	[thread overview]
Message-ID: <161475968509.1478170.5248506718236838205@swboyd.mtv.corp.google.com> (raw)
In-Reply-To: <f58070ee-ff00-f8c5-6459-782562e903e5@codeaurora.org>

Quoting Taniya Das (2021-03-01 09:27:06)
> On 2/23/2021 1:13 PM, Stephen Boyd wrote:
> > Quoting Rajendra Nayak (2021-02-11 23:28:43)
> >> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> >> +               usb3_phy_wrapper_gcc_usb30_pipe_clk: usb3-phy-wrapper-gcc-usb30-pipe-clk {
> >> +                       compatible = "fixed-clock";
> >> +                       clock-frequency = <1000>;
> >> +                       #clock-cells = <0>;
> >> +               };
> > 
> > Shouldn't these come from the phys? Why are they being added here?
> > 
> 
> Once the phys are added, these could be replaced, that was the reason to 
> add them.
> 
> >>          };
> >>   
> >>          reserved_memory: reserved-memory {
> >> @@ -174,6 +211,17 @@
> >>                  gcc: clock-controller@100000 {
> >>                          compatible = "qcom,gcc-sc7280";
> >>                          reg = <0 0x00100000 0 0x1f0000>;
> >> +                       clocks = <&rpmhcc RPMH_CXO_CLK>,
> >> +                                <&rpmhcc RPMH_CXO_CLK_A>, <&sleep_clk>,
> >> +                                <&pcie_0_pipe_clk>, <&pcie_1_pipe_clk>,
> >> +                                <&ufs_phy_rx_symbol_0_clk>, <&ufs_phy_rx_symbol_1_clk>,
> >> +                                <&ufs_phy_tx_symbol_0_clk>,
> >> +                                <&usb3_phy_wrapper_gcc_usb30_pipe_clk>;
> > 
> > If the phys aren't ready then <0> should work. Unless something goes
> > wrong?
> >
> 
> Nothing would go wrong if we add <0>, but wanted them to be replaced 
> once the support is added.

Please use <0> to indicate that it's missing. Otherwise we may never
realize that we should connect it up later.

  reply	other threads:[~2021-03-03 21:42 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-12  7:28 [PATCH 00/13] Add binding updates and DT files for SC7280 SoC Rajendra Nayak
2021-02-12  7:28 ` [PATCH 01/13] dt-bindings: arm: qcom: Document SC7280 SoC and board Rajendra Nayak
2021-02-23  7:49   ` Stephen Boyd
2021-03-05 20:08   ` Rob Herring
2021-02-12  7:28 ` [PATCH 02/13] dt-bindings: firmware: scm: Add SC7280 support Rajendra Nayak
2021-02-23  7:50   ` Stephen Boyd
2021-03-05 20:08   ` Rob Herring
2021-02-12  7:28 ` [PATCH 03/13] arm64: dts: sc7280: Add basic dts/dtsi files for SC7280 soc Rajendra Nayak
2021-02-23  7:37   ` Stephen Boyd
2021-02-23 11:42     ` Rajendra Nayak
2021-02-12  7:28 ` [PATCH 04/13] dt-bindings: qcom,pdc: Add compatible for sc7280 Rajendra Nayak
2021-02-23  7:38   ` Stephen Boyd
2021-02-23  7:39   ` Stephen Boyd
2021-03-05  5:46     ` Rajendra Nayak
2021-02-12  7:28 ` [PATCH 05/13] arm64: dts: qcom: sc7280: Add RSC and PDC devices Rajendra Nayak
2021-02-23  7:41   ` Stephen Boyd
2021-02-12  7:28 ` [PATCH 06/13] arm64: dts: qcom: SC7280: Add rpmhcc clock controller node Rajendra Nayak
2021-02-23  7:43   ` Stephen Boyd
2021-03-01 17:27     ` Taniya Das
2021-03-03  8:21       ` Stephen Boyd [this message]
2021-02-12  7:28 ` [PATCH 07/13] dt-bindings: arm-smmu: Add compatible for SC7280 SoC Rajendra Nayak
2021-02-23  7:43   ` Stephen Boyd
2021-02-12  7:28 ` [PATCH 08/13] arm64: dts: qcom: sc7280: Add device node for APPS SMMU Rajendra Nayak
2021-02-12  7:28 ` [PATCH 09/13] arm64: dts: qcom: Add reserved memory for fw Rajendra Nayak
2021-02-23  7:45   ` Stephen Boyd
2021-02-23 11:45     ` Rajendra Nayak
2021-02-12  7:28 ` [PATCH 10/13] dt-bindings: watchdog: Add compatible for SC7280 SoC Rajendra Nayak
2021-02-23  7:45   ` Stephen Boyd
2021-02-12  7:28 ` [PATCH 11/13] arm64: dts: qcom: sc7280: Add APSS watchdog node Rajendra Nayak
2021-02-23  7:46   ` Stephen Boyd
2021-02-12  7:28 ` [PATCH 12/13] arm64: dts: qcom: sc7280: Add SPMI PMIC arbiter device for SC7280 Rajendra Nayak
2021-02-12  7:28 ` [PATCH 13/13] arm64: dts: qcom: sc7280: Add cpuidle states Rajendra Nayak
2021-02-23  7:49   ` Stephen Boyd
2021-02-23 11:50     ` Maulik Shah
2021-03-11  0:13 ` [PATCH 00/13] Add binding updates and DT files for SC7280 SoC Bjorn Andersson
2021-03-11  9:15   ` Rajendra Nayak
2021-03-11 11:35     ` Rajendra Nayak
2021-03-11 16:44     ` Bjorn Andersson

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