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Date: Wed, 16 Jun 2021 02:58:39 +0200
From: Konrad Dybcio <konrad.dybcio@...ainline.org>
To: ~postmarketos/upstreaming@...ts.sr.ht
Cc: martin.botka@...ainline.org,
angelogioacchino.delregno@...ainline.org,
marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 2/6] arm64: dts: qcom: sm8250: Commonize PCIe pins
Commonize PCIe pins, along with pin definitions for PCIe-connected
MHI modem (not enabled by default, as it's useless on modem-less boards).
While at it, remove "output-low" from the RB5 board, as it's
not necessary - we already explicitly pull the perst pin low.
Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 87 -------------------
arch/arm64/boot/dts/qcom/sm8250.dtsi | 101 +++++++++++++++++++++++
2 files changed, 101 insertions(+), 87 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index d5a4f5a27da6..8ac96f8e79d4 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -669,10 +669,6 @@ wifi-therm@1 {
&pcie0 {
status = "okay";
- perst-gpio = <&tlmm 79 GPIO_ACTIVE_LOW>;
- wake-gpio = <&tlmm 81 GPIO_ACTIVE_HIGH>;
- pinctrl-names = "default";
- pinctrl-0 = <&pcie0_default_state>;
};
&pcie0_phy {
@@ -683,10 +679,6 @@ &pcie0_phy {
&pcie1 {
status = "okay";
- perst-gpio = <&tlmm 82 GPIO_ACTIVE_LOW>;
- wake-gpio = <&tlmm 84 GPIO_ACTIVE_HIGH>;
- pinctrl-names = "default";
- pinctrl-0 = <&pcie1_default_state>;
};
&pcie1_phy {
@@ -697,10 +689,6 @@ &pcie1_phy {
&pcie2 {
status = "okay";
- perst-gpio = <&tlmm 85 GPIO_ACTIVE_LOW>;
- wake-gpio = <&tlmm 87 GPIO_ACTIVE_HIGH>;
- pinctrl-names = "default";
- pinctrl-0 = <&pcie2_default_state>;
};
&pcie2_phy {
@@ -1178,81 +1166,6 @@ lt9611_irq_pin: lt9611-irq {
bias-disable;
};
- pcie0_default_state: pcie0-default {
- clkreq {
- pins = "gpio80";
- function = "pci_e0";
- bias-pull-up;
- };
-
- reset-n {
- pins = "gpio79";
- function = "gpio";
-
- drive-strength = <2>;
- output-low;
- bias-pull-down;
- };
-
- wake-n {
- pins = "gpio81";
- function = "gpio";
-
- drive-strength = <2>;
- bias-pull-up;
- };
- };
-
- pcie1_default_state: pcie1-default {
- clkreq {
- pins = "gpio83";
- function = "pci_e1";
- bias-pull-up;
- };
-
- reset-n {
- pins = "gpio82";
- function = "gpio";
-
- drive-strength = <2>;
- output-low;
- bias-pull-down;
- };
-
- wake-n {
- pins = "gpio84";
- function = "gpio";
-
- drive-strength = <2>;
- bias-pull-up;
- };
- };
-
- pcie2_default_state: pcie2-default {
- clkreq {
- pins = "gpio86";
- function = "pci_e2";
- bias-pull-up;
- };
-
- reset-n {
- pins = "gpio85";
- function = "gpio";
-
- drive-strength = <2>;
- output-low;
- bias-pull-down;
- };
-
- wake-n {
- pins = "gpio87";
- function = "gpio";
-
- drive-strength = <2>;
- bias-pull-up;
- };
- };
-
sdc2_default_state: sdc2-default {
clk {
pins = "sdc2_clk";
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 1665eac49f3b..e2413aee2f21 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -1314,6 +1314,12 @@ pcie0: pci@...0000 {
phys = <&pcie0_lane>;
phy-names = "pciephy";
+ perst-gpio = <&tlmm 79 GPIO_ACTIVE_LOW>;
+ enable-gpio = <&tlmm 81 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie0_default_state>;
+
status = "disabled";
};
@@ -1412,6 +1418,12 @@ pcie1: pci@...8000 {
phys = <&pcie1_lane>;
phy-names = "pciephy";
+ perst-gpio = <&tlmm 82 GPIO_ACTIVE_LOW>;
+ enable-gpio = <&tlmm 84 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie1_default_state>;
+
status = "disabled";
};
@@ -1512,6 +1524,12 @@ pcie2: pci@...0000 {
phys = <&pcie2_lane>;
phy-names = "pciephy";
+ perst-gpio = <&tlmm 85 GPIO_ACTIVE_LOW>;
+ enable-gpio = <&tlmm 87 GPIO_ACTIVE_HIGH>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie2_default_state>;
+
status = "disabled";
};
@@ -3490,6 +3508,89 @@ data {
bias-pull-up;
};
};
+
+ pcie0_default_state: pcie0-default {
+ pcie0_perst_default: perst {
+ pins = "gpio79";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ clkreq {
+ pins = "gpio80";
+ function = "pci_e0";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ wake {
+ pins = "gpio81";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ pcie1_default_state: pcie1-default {
+ pcie1_perst_default: perst {
+ pins = "gpio82";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ clkreq {
+ pins = "gpio83";
+ function = "pci_e1";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ wake {
+ pins = "gpio84";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ pcie2_default_state: pcie2-default {
+ pcie2_perst_default: perst {
+ pins = "gpio85";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+
+ clkreq {
+ pins = "gpio86";
+ function = "pci_e2";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+
+ wake {
+ pins = "gpio87";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
+
+ mdm2ap_default: mdm2ap-default {
+ pins = "gpio1", "gpio3";
+ function = "gpio";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ ap2mdm_default: ap2mdm-default {
+ pins = "gpio56", "gpio57";
+ function = "gpio";
+ drive-strength = <16>;
+ bias-disable;
+ };
};
apps_smmu: iommu@...00000 {
--
2.32.0
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