Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To:     Manivannan Sadhasivam <mani@kernel.org>,
        Rob Herring <robh@kernel.org>
Cc:     linuxarm@huawei.com, mauro.chehab@huawei.com,
        Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Wei Xu <xuwei5@hisilicon.com>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Subject: [PATCH RFC 7/7] arm64: dts: hisilicon: Add support for HiKey 970 PCIe controller hardware
Date:   Thu,  8 Jul 2021 17:50:14 +0200
Message-Id: <00f9c0f215308629bc6a91682f3dcf528b351a7a.1625758732.git.mchehab+huawei@kernel.org>
In-Reply-To: <cover.1625758732.git.mchehab+huawei@kernel.org>
References: <cover.1625758732.git.mchehab+huawei@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Sender: Mauro Carvalho Chehab <mchehab@kernel.org>
Precedence: bulk

From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Add DTS bindings for the Hikey 970 board's PCIe hardware.

[mchehab+huawei@kernel.org: fix merge conflicts]
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 arch/arm64/boot/dts/hisilicon/hi3670.dtsi     | 72 +++++++++++++++++++
 .../boot/dts/hisilicon/hikey970-pmic.dtsi     |  1 -
 2 files changed, 72 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
index 6476149d99e3..0fbc1f2ac599 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
@@ -177,6 +177,12 @@ sctrl: sctrl@fff0a000 {
 			#clock-cells = <1>;
 		};
 
+		pmctrl: pmctrl@fff31000 {
+			compatible = "hisilicon,hi3670-pmctrl", "syscon";
+			reg = <0x0 0xfff31000 0x0 0x1000>;
+			#clock-cells = <1>;
+		};
+
 		iomcu: iomcu@ffd7e000 {
 			compatible = "hisilicon,hi3670-iomcu", "syscon";
 			reg = <0x0 0xffd7e000 0x0 0x1000>;
@@ -660,6 +666,72 @@ gpio28: gpio@fff1d000 {
 			clock-names = "apb_pclk";
 		};
 
+		its_pcie: interrupt-controller@f4000000 {
+			compatible = "arm,gic-v3-its";
+			msi-controller;
+			reg = <0x0 0xf5100000 0x0 0x100000>;
+		};
+
+		pcie_phy: pcie-phy@fc000000 {
+			compatible = "hisilicon,hi970-pcie-phy";
+			reg = <0x0 0xfc000000 0x0 0x80000>;
+			reg-names = "phy";
+
+			phy-supply = <&ldo33>;
+
+			clocks = <&crg_ctrl HI3670_CLK_GATE_PCIEPHY_REF>,
+				 <&crg_ctrl HI3670_PCLK_GATE_PCIE_PHY>,
+				 <&crg_ctrl HI3670_ACLK_GATE_PCIE>;
+
+			clock-names = "pcie_phy_ref", "pcie_apb_phy",
+				      "pcie_aclk";
+
+			reset-gpios = <&gpio7 0 0 >, <&gpio25 2 0 >,
+				      <&gpio3 1 0 >, <&gpio27 4 0 >;
+
+			clkreq-gpios = <&gpio20 6 0 >, <&gpio27 3 0 >,
+				       <&gpio17 0 0 >;
+
+			/* vboost iboost pre post main */
+			eye_param = <0xFFFFFFFF 0xFFFFFFFF
+				     0xFFFFFFFF 0xFFFFFFFF 0xFFFFFFFF>;
+
+			#phy-cells = <0>;
+		};
+
+		pcie@f4000000 {
+			compatible = "hisilicon,kirin970-pcie";
+			reg = <0x0 0xf4000000 0x0 0x1000000>,
+			      <0x0 0xfc180000 0x0 0x1000>,
+			      <0x0 0xf5000000 0x0 0x2000>;
+			reg-names = "dbi", "apb", "config";
+			bus-range = <0x0  0x1>;
+			msi-parent = <&its_pcie>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			phys = <&pcie_phy>;
+			ranges = <0x02000000 0x0 0x00000000
+				  0x0 0xf6000000
+				  0x0 0x02000000>;
+			num-lanes = <1>;
+			#interrupt-cells = <1>;
+			interrupts = <0 283 4>;
+			interrupt-names = "msi";
+			interrupt-map-mask = <0 0 0 7>;
+			interrupt-map = <0x0 0 0 1
+					 &gic GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+					<0x0 0 0 2
+					 &gic GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
+					<0x0 0 0 3
+					 &gic GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
+					<0x0 0 0 4
+					 &gic GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg_ctrl HI3670_CLK_GATE_PCIEAUX>,
+				 <&crg_ctrl HI3670_PCLK_GATE_PCIE_SYS>;
+			clock-names = "pcie_aux", "pcie_apb_sys";
+		};
+
 		/* UFS */
 		ufs: ufs@ff3c0000 {
 			compatible = "hisilicon,hi3670-ufs", "jedec,ufs-2.1";
diff --git a/arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi b/arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi
index 48c739eacba0..03452e627641 100644
--- a/arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hikey970-pmic.dtsi
@@ -73,7 +73,6 @@ ldo33: LDO33 { /* PEX8606 */
 					regulator-name = "ldo33";
 					regulator-min-microvolt = <2500000>;
 					regulator-max-microvolt = <3300000>;
-					regulator-boot-on;
 				};
 
 				ldo34: LDO34 { /* GPS AUX IN VDD */
-- 
2.31.1