diff mbox series

arm64: dts: renesas: r8a77990: ebisu: Add and enable PCIe device node

Message ID 20181113192226.17762-1-marek.vasut+renesas@gmail.com (mailing list archive)
State Accepted
Commit ba3ac35b4896cf291f6fdaf04a505985e5ccce30
Delegated to: Simon Horman
Headers show
Series arm64: dts: renesas: r8a77990: ebisu: Add and enable PCIe device node | expand

Commit Message

Marek Vasut Nov. 13, 2018, 7:22 p.m. UTC
From: Takeshi Kihara <takeshi.kihara.df@renesas.com>

This patch adds PCI express channel 0 device node to the R8A77990 SoC
and enables PCIEC0 PCI express controller on the Ebisu board.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Wolfram Sang <wsa@the-dreams.de>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
To: devicetree@vger.kernel.org
---
 .../arm64/boot/dts/renesas/r8a77990-ebisu.dts |  8 +++++
 arch/arm64/boot/dts/renesas/r8a77990.dtsi     | 34 +++++++++++++++++++
 2 files changed, 42 insertions(+)

Comments

Simon Horman Nov. 19, 2018, 10:34 a.m. UTC | #1
On Tue, Nov 13, 2018 at 08:22:26PM +0100, Marek Vasut wrote:
> From: Takeshi Kihara <takeshi.kihara.df@renesas.com>
> 
> This patch adds PCI express channel 0 device node to the R8A77990 SoC
> and enables PCIEC0 PCI express controller on the Ebisu board.
> 
> Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> Cc: Geert Uytterhoeven <geert+renesas@glider.be>
> Cc: Simon Horman <horms+renesas@verge.net.au>
> Cc: Wolfram Sang <wsa@the-dreams.de>
> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Cc: linux-renesas-soc@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> To: devicetree@vger.kernel.org
> ---
>  .../arm64/boot/dts/renesas/r8a77990-ebisu.dts |  8 +++++
>  arch/arm64/boot/dts/renesas/r8a77990.dtsi     | 34 +++++++++++++++++++
>  2 files changed, 42 insertions(+)

Thanks Marek,

applied for v4.21.
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index 447e9831104a..2ef9067616ee 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -444,6 +444,14 @@ 
 	status = "okay";
 };
 
+&pcie_bus_clk {
+	clock-frequency = <100000000>;
+};
+
+&pciec0 {
+	status = "okay";
+};
+
 &pfc {
 	avb_pins: avb {
 		mux {
diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index a2524fc138a2..46868dacbeef 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -85,6 +85,13 @@ 
 		clock-frequency = <0>;
 	};
 
+	/* External PCIe clock - can be overridden by the board */
+	pcie_bus_clk: pcie_bus {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+
 	pmu_a53 {
 		compatible = "arm,cortex-a53-pmu";
 		interrupts-extended = <&gic GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
@@ -1610,6 +1617,33 @@ 
 			};
 		};
 
+		pciec0: pcie@fe000000 {
+			compatible = "renesas,pcie-r8a77990",
+				     "renesas,pcie-rcar-gen3";
+			reg = <0 0xfe000000 0 0x80000>;
+			#address-cells = <3>;
+			#size-cells = <2>;
+			bus-range = <0x00 0xff>;
+			device_type = "pci";
+			ranges = <0x01000000 0 0x00000000 0 0xfe100000 0 0x00100000
+				0x02000000 0 0xfe200000 0 0xfe200000 0 0x00200000
+				0x02000000 0 0x30000000 0 0x30000000 0 0x08000000
+				0x42000000 0 0x38000000 0 0x38000000 0 0x08000000>;
+			/* Map all possible DDR as inbound ranges */
+			dma-ranges = <0x42000000 0 0x40000000 0 0x40000000 0 0x40000000>;
+			interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 117 IRQ_TYPE_LEVEL_HIGH>,
+				<GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <1>;
+			interrupt-map-mask = <0 0 0 0>;
+			interrupt-map = <0 0 0 0 &gic GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 319>, <&pcie_bus_clk>;
+			clock-names = "pcie", "pcie_bus";
+			power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
+			resets = <&cpg 319>;
+			status = "disabled";
+		};
+
 		prr: chipid@fff00044 {
 			compatible = "renesas,prr";
 			reg = <0 0xfff00044 0 4>;