| Message ID | 20220302203045.184500-8-bhupesh.sharma@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add PCIe support for SM8150 SoC | expand |
Hi Dmitry, On Thu, 3 Mar 2022 at 02:29, Dmitry Baryshkov <dmitry.baryshkov@linaro.org> wrote: > > On Wed, 2 Mar 2022 at 23:31, Bhupesh Sharma <bhupesh.sharma@linaro.org> wrote: > > > > SA8155p ADP board supports the PCIe0 controller in the RC > > mode (only). So add the support for the same. > > > > Cc: Bjorn Andersson <bjorn.andersson@linaro.org> > > Cc: Vinod Koul <vkoul@kernel.org> > > Cc: Rob Herring <robh+dt@kernel.org> > > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> > > --- > > arch/arm64/boot/dts/qcom/sa8155p-adp.dts | 42 ++++++++++++++++++++++++ > > 1 file changed, 42 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts > > index 8756c2b25c7e..3f6b3ee404f5 100644 > > --- a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts > > +++ b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts > > @@ -387,9 +387,51 @@ &usb_2_qmpphy { > > vdda-pll-supply = <&vdda_usb_ss_dp_core_1>; > > }; > > > > +&pcie0 { > > + status = "okay"; > > +}; > > + > > +&pcie0_phy { > > + status = "okay"; > > + vdda-phy-supply = <&vreg_l18c_0p88>; > > + vdda-pll-supply = <&vreg_l8c_1p2>; > > +}; > > + > > +&pcie1_phy { > > + vdda-phy-supply = <&vreg_l18c_0p88>; > > + vdda-pll-supply = <&vreg_l8c_1p2>; > > +}; > > + > > &tlmm { > > gpio-reserved-ranges = <0 4>; > > > > + bt_en_default: bt_en_default { > > + mux { > > + pins = "gpio172"; > > + function = "gpio"; > > + }; > > + > > + config { > > + pins = "gpio172"; > > + drive-strength = <2>; > > + bias-pull-down; > > + }; > > + }; > > + > > + wlan_en_default: wlan_en_default { > > + mux { > > + pins = "gpio169"; > > + function = "gpio"; > > + }; > > + > > + config { > > + pins = "gpio169"; > > + drive-strength = <16>; > > + output-high; > > + bias-pull-up; > > + }; > > + }; > > + > > Not related to PCIe Hmm.. I have no strong personal opinion on this, so let's see what Bjorn thinks about the same. My reasoning for keeping it here was to just capture that we have 'bt_en' and 'wlan_en' related tlmm details here, so that when you send out the reworked QCAxxxx mfd series (see [1]) later, I can easily plug it in for SA8155p ADP dts as well with the 'bt' and 'wlan' constructs. [1]. https://lore.kernel.org/lkml/20210621223141.1638189-2-dmitry.baryshkov@linaro.org/T/ Regards. Bhupesh > > usb2phy_ac_en1_default: usb2phy_ac_en1_default { > > mux { > > pins = "gpio113"; > > -- > > 2.35.1 > > > > > -- > With best wishes > Dmitry
On Thu 03 Mar 00:09 CST 2022, Bhupesh Sharma wrote: > Hi Dmitry, > > On Thu, 3 Mar 2022 at 02:29, Dmitry Baryshkov > <dmitry.baryshkov@linaro.org> wrote: > > > > On Wed, 2 Mar 2022 at 23:31, Bhupesh Sharma <bhupesh.sharma@linaro.org> wrote: > > > > > > SA8155p ADP board supports the PCIe0 controller in the RC > > > mode (only). So add the support for the same. > > > > > > Cc: Bjorn Andersson <bjorn.andersson@linaro.org> > > > Cc: Vinod Koul <vkoul@kernel.org> > > > Cc: Rob Herring <robh+dt@kernel.org> > > > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> > > > --- > > > arch/arm64/boot/dts/qcom/sa8155p-adp.dts | 42 ++++++++++++++++++++++++ > > > 1 file changed, 42 insertions(+) > > > > > > diff --git a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts > > > index 8756c2b25c7e..3f6b3ee404f5 100644 > > > --- a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts > > > +++ b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts > > > @@ -387,9 +387,51 @@ &usb_2_qmpphy { > > > vdda-pll-supply = <&vdda_usb_ss_dp_core_1>; > > > }; > > > > > > +&pcie0 { > > > + status = "okay"; > > > +}; > > > + > > > +&pcie0_phy { > > > + status = "okay"; > > > + vdda-phy-supply = <&vreg_l18c_0p88>; > > > + vdda-pll-supply = <&vreg_l8c_1p2>; > > > +}; > > > + > > > +&pcie1_phy { > > > + vdda-phy-supply = <&vreg_l18c_0p88>; > > > + vdda-pll-supply = <&vreg_l8c_1p2>; > > > +}; > > > + > > > &tlmm { > > > gpio-reserved-ranges = <0 4>; > > > > > > + bt_en_default: bt_en_default { '_' is not a valid character in the node name (it is in the label). > > > + mux { Please flatten this, you can omit the mux and config subnodes and put the properties directly in the state node. > > > + pins = "gpio172"; > > > + function = "gpio"; > > > + }; > > > + > > > + config { > > > + pins = "gpio172"; > > > + drive-strength = <2>; > > > + bias-pull-down; > > > + }; > > > + }; > > > + > > > + wlan_en_default: wlan_en_default { > > > + mux { > > > + pins = "gpio169"; > > > + function = "gpio"; > > > + }; > > > + > > > + config { > > > + pins = "gpio169"; > > > + drive-strength = <16>; > > > + output-high; > > > + bias-pull-up; > > > + }; > > > + }; > > > + > > > > Not related to PCIe > > Hmm.. I have no strong personal opinion on this, so let's see what > Bjorn thinks about the same. > My reasoning for keeping it here was to just capture that we have > 'bt_en' and 'wlan_en' related tlmm details here, so that when you send > out the reworked QCAxxxx mfd series (see [1]) later, I can easily plug > it in for SA8155p ADP dts as well with the 'bt' and 'wlan' constructs. > The BT_EN is unrelated to PCIe, and I'm not able to see where you select the wlan_en_default state, so this would be dangling. So the bt_en should come in a patch together with a bluetooth node and the wlan_en_default should come with something that ensures that the WiFi portion of the chip is powered and the gpio enabled. Regards, Bjorn > [1]. https://lore.kernel.org/lkml/20210621223141.1638189-2-dmitry.baryshkov@linaro.org/T/ > > Regards. > Bhupesh > > > > usb2phy_ac_en1_default: usb2phy_ac_en1_default { > > > mux { > > > pins = "gpio113"; > > > -- > > > 2.35.1 > > > > > > > > > -- > > With best wishes > > Dmitry
diff --git a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts index 8756c2b25c7e..3f6b3ee404f5 100644 --- a/arch/arm64/boot/dts/qcom/sa8155p-adp.dts +++ b/arch/arm64/boot/dts/qcom/sa8155p-adp.dts @@ -387,9 +387,51 @@ &usb_2_qmpphy { vdda-pll-supply = <&vdda_usb_ss_dp_core_1>; }; +&pcie0 { + status = "okay"; +}; + +&pcie0_phy { + status = "okay"; + vdda-phy-supply = <&vreg_l18c_0p88>; + vdda-pll-supply = <&vreg_l8c_1p2>; +}; + +&pcie1_phy { + vdda-phy-supply = <&vreg_l18c_0p88>; + vdda-pll-supply = <&vreg_l8c_1p2>; +}; + &tlmm { gpio-reserved-ranges = <0 4>; + bt_en_default: bt_en_default { + mux { + pins = "gpio172"; + function = "gpio"; + }; + + config { + pins = "gpio172"; + drive-strength = <2>; + bias-pull-down; + }; + }; + + wlan_en_default: wlan_en_default { + mux { + pins = "gpio169"; + function = "gpio"; + }; + + config { + pins = "gpio169"; + drive-strength = <16>; + output-high; + bias-pull-up; + }; + }; + usb2phy_ac_en1_default: usb2phy_ac_en1_default { mux { pins = "gpio113";
SA8155p ADP board supports the PCIe0 controller in the RC mode (only). So add the support for the same. Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Vinod Koul <vkoul@kernel.org> Cc: Rob Herring <robh+dt@kernel.org> Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> --- arch/arm64/boot/dts/qcom/sa8155p-adp.dts | 42 ++++++++++++++++++++++++ 1 file changed, 42 insertions(+)