linux-kernel - [RFC PATCH 35/40] ARM: dts: keystone-k2e: Use the updated binding to describe PCIe in k2e

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Date:   Fri, 21 Sep 2018 15:51:50 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Jingoo Han <jingoohan1@...il.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Murali Karicheri <m-karicheri2@...com>,
        Kishon Vijay Abraham I <kishon@...com>,
        <Gustavo.Pimentel@...opsys.com>
CC:     Mark Rutland <mark.rutland@....com>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Tero Kristo <t-kristo@...com>, Nishanth Menon <nm@...com>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Sekhar Nori <nsekhar@...com>
Subject: [RFC PATCH 35/40] ARM: dts: keystone-k2e: Use the updated binding to describe PCIe in k2e

Use the updated binding to describe PCIe in k2e. (The older binding has
never worked in upstream kernel since serdes driver was never upstreamed).

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Signed-off-by: Sekhar Nori <nsekhar@...com>
---
 arch/arm/boot/dts/keystone-k2e.dtsi | 15 ++++++++-------
 arch/arm/boot/dts/keystone.dtsi     | 18 ++++++++++++++----
 2 files changed, 22 insertions(+), 11 deletions(-)

diff --git a/arch/arm/boot/dts/keystone-k2e.dtsi b/arch/arm/boot/dts/keystone-k2e.dtsi
index 085e7326ea8e..d9945d600c95 100644
--- a/arch/arm/boot/dts/keystone-k2e.dtsi
+++ b/arch/arm/boot/dts/keystone-k2e.dtsi
@@ -136,20 +136,21 @@
 		};
 
 		pcie1: pcie@...20000 {
-			compatible = "ti,keystone-pcie","snps,dw-pcie";
+			compatible = "ti,keystone-pcie", "snps,dw-pcie";
+			reg =  <0x21020000 0x1000>, <0x21021000 0x1000>, <0x21022000 0x1000>;
+			reg-names = "app", "dbics", "config";
 			clocks = <&clkpcie1>;
-			clock-names = "pcie";
+			clock-names = "fck";
 			#address-cells = <3>;
 			#size-cells = <2>;
-			reg =  <0x21021000 0x2000>, <0x21020000 0x1000>, <0x02620128 4>;
-			ranges = <0x82000000 0 0x60000000 0x60000000
-				  0 0x10000000>;
-
+			ranges = <0x82000000 0 0x60000000 0x60000000 0 0x10000000>;
+			ti,syscon-pcie-id = <&pcie_devid>;
+			ti,syscon-pcie-mode = <&pcie_mode>;
 			status = "disabled";
 			device_type = "pci";
 			num-lanes = <2>;
+			num-viewport = <32>;
 			bus-range = <0x00 0xff>;
-
 			/* error interrupt */
 			interrupts = <GIC_SPI 385 IRQ_TYPE_EDGE_RISING>;
 			#interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi
index c298675a29a5..0245fe854367 100644
--- a/arch/arm/boot/dts/keystone.dtsi
+++ b/arch/arm/boot/dts/keystone.dtsi
@@ -93,6 +93,16 @@
 			#size-cells = <1>;
 			ranges = <0x0 0x02620000 0x1000>;
 
+			pcie_devid: pcie-devid@128 {
+				compatible = "syscon";
+				reg = <0x00000128 0x4>;
+			};
+
+			pcie_mode: pcie-mode@14c {
+				compatible = "syscon";
+				reg = <0x0000014c 0x4>;
+			};
+
 			kirq0: keystone_irq@2a0 {
 				compatible = "ti,keystone-irq";
 				reg = <0x2a0 0x4>;
@@ -297,13 +307,13 @@
 
 		pcie0: pcie@...00000 {
 			compatible = "ti,keystone-pcie", "snps,dw-pcie";
+			reg =  <0x21800000 0x1000>, <0x21801000 0x1000>, <0x21802000 0x1000>;
+			reg-names = "app", "dbics", "config";
 			clocks = <&clkpcie>;
-			clock-names = "pcie";
+			clock-names = "fck";
 			#address-cells = <3>;
 			#size-cells = <2>;
-			reg =  <0x21801000 0x2000>, <0x21800000 0x1000>, <0x02620128 4>;
-			ranges = <0x82000000 0 0x50000000 0x50000000
-				  0 0x10000000>;
+			ranges = <0x82000000 0 0x50000000 0x50000000 0 0x10000000>;
 
 			status = "disabled";
 			device_type = "pci";
-- 
2.17.1