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Message-Id: <7ede6693e5cc2bbd23c1a68cbc571b5f4876917d.1626768323.git.mchehab+huawei@kernel.org>
Date: Tue, 20 Jul 2021 10:09:09 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Bjorn Helgaas <helgaas@...nel.org>, Rob Herring <robh@...nel.org>
Cc: linuxarm@...wei.com, mauro.chehab@...wei.com,
Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
Krzysztof Wilczyński <kw@...ux.com>,
Binghui Wang <wangbinghui@...ilicon.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Rob Herring <robh+dt@...nel.org>,
Wei Xu <xuwei5@...ilicon.com>,
Xiaowei Song <songxiaowei@...ilicon.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Subject: [PATCH v6 7/9] arm64: dts: HiSilicon: Add support for HiKey 970 PCIe controller hardware
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Add DTS bindings for the HiKey 970 board's PCIe hardware.
Co-developed-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 71 +++++++++++++++++++
.../boot/dts/hisilicon/hikey970-pmic.dtsi | 1 -
drivers/pci/controller/dwc/pcie-kirin.c | 12 ----
3 files changed, 71 insertions(+), 13 deletions(-)
diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
index 1f228612192c..6dfcfcfeedae 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
@@ -177,6 +177,12 @@ sctrl: sctrl@...0a000 {
#clock-cells = <1>;
};
+ pmctrl: pmctrl@...31000 {
+ compatible = "hisilicon,hi3670-pmctrl", "syscon";
+ reg = <0x0 0xfff31000 0x0 0x1000>;
+ #clock-cells = <1>;
+ };
+
iomcu: iomcu@...7e000 {
compatible = "hisilicon,hi3670-iomcu", "syscon";
reg = <0x0 0xffd7e000 0x0 0x1000>;
@@ -660,6 +666,71 @@ gpio28: gpio@...1d000 {
clock-names = "apb_pclk";
};
+ its_pcie: interrupt-controller@...00000 {
+ compatible = "arm,gic-v3-its";
+ msi-controller;
+ reg = <0x0 0xf5100000 0x0 0x100000>;
+ };
+
+ pcie_phy: pcie-phy@...00000 {
+ compatible = "hisilicon,hi970-pcie-phy";
+ reg = <0x0 0xfc000000 0x0 0x80000>;
+
+ phy-supply = <&ldo33>;
+
+ clocks = <&crg_ctrl HI3670_CLK_GATE_PCIEPHY_REF>,
+ <&crg_ctrl HI3670_CLK_GATE_PCIEAUX>,
+ <&crg_ctrl HI3670_PCLK_GATE_PCIE_PHY>,
+ <&crg_ctrl HI3670_PCLK_GATE_PCIE_SYS>,
+ <&crg_ctrl HI3670_ACLK_GATE_PCIE>;
+ clock-names = "phy_ref", "aux",
+ "apb_phy", "apb_sys",
+ "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 */
+ hisilicon,eye-diagram-param = <0xFFFFFFFF 0xFFFFFFFF
+ 0xFFFFFFFF 0xFFFFFFFF
+ 0xFFFFFFFF>;
+
+ #phy-cells = <0>;
+ };
+
+ pcie@...00000 {
+ 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>;
+ };
+
/* UFS */
ufs: ufs@...c0000 {
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 */
diff --git a/drivers/pci/controller/dwc/pcie-kirin.c b/drivers/pci/controller/dwc/pcie-kirin.c
index 7a92f633d746..4657a6d33f6f 100644
--- a/drivers/pci/controller/dwc/pcie-kirin.c
+++ b/drivers/pci/controller/dwc/pcie-kirin.c
@@ -347,18 +347,6 @@ static const struct regmap_config pcie_kirin_regmap_conf = {
.reg_stride = 4,
};
-/* Registers in PCIeCTRL */
-static inline void kirin_apb_ctrl_writel(struct kirin_pcie *kirin_pcie,
- u32 val, u32 reg)
-{
- writel(val, kirin_pcie->apb_base + reg);
-}
-
-static inline u32 kirin_apb_ctrl_readl(struct kirin_pcie *kirin_pcie, u32 reg)
-{
- return readl(kirin_pcie->apb_base + reg);
-}
-
static long kirin_pcie_get_resource(struct kirin_pcie *kirin_pcie,
struct platform_device *pdev)
{
--
2.31.1
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