From mboxrd@z Thu Jan 1 00:00:00 1970 From: WingMan Kwok Subject: [PATCH] ARM: keystone: dts: add PCI serdes driver bindings Date: Thu, 15 Oct 2015 10:27:10 -0400 Message-ID: <1444919230-30932-1-git-send-email-w-kwok2@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Sender: linux-kernel-owner@vger.kernel.org To: robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, kishon@ti.com, rogerq@ti.com, m-karicheri2@ti.com, bhelgaas@google.com, ssantosh@kernel.org, linux@arm.linux.org.uk, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: WingMan Kwok List-Id: devicetree@vger.kernel.org This patch adds the required PCI serdes bindings whcih can then be enabled by setting the corresponding statuses to "ok" in order to configure and start the PCI serdes. This patch depends on the updates to the Keystone PCIe host driver and common serdes driver patch series that is submitted separately. Signed-off-by: WingMan Kwok --- arch/arm/boot/dts/k2e.dtsi | 21 +++++++++++++++++++++ arch/arm/boot/dts/keystone.dtsi | 21 +++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/arch/arm/boot/dts/k2e.dtsi b/arch/arm/boot/dts/k2e.dtsi index 675fb8e..3b36575 100644 --- a/arch/arm/boot/dts/k2e.dtsi +++ b/arch/arm/boot/dts/k2e.dtsi @@ -86,6 +86,16 @@ gpio,syscon-dev = <&devctrl 0x240>; }; + pcie1_phy: pciephy@2326000 { + #phy-cells = <0>; + compatible = "ti,keystone-serdes-pcie"; + reg = <0x02326000 0x4000>; + reg-names = "serdes"; + link-rate-kbps = <5000000>; + num-lanes = <2>; + status = "disabled"; + }; + pcie1: pcie@21020000 { compatible = "ti,keystone-pcie","snps,dw-pcie"; clocks = <&clkpcie1>; @@ -130,6 +140,17 @@ , ; }; + + /* PCIE phy */ + serdeses { + #address-cells = <1>; + #size-cells = <0>; + serdes@0 { + reg = <0>; + phys = <&pcie1_phy>; + }; + }; + }; mdio: mdio@24200f00 { diff --git a/arch/arm/boot/dts/keystone.dtsi b/arch/arm/boot/dts/keystone.dtsi index 72816d6..6566cc4 100644 --- a/arch/arm/boot/dts/keystone.dtsi +++ b/arch/arm/boot/dts/keystone.dtsi @@ -275,6 +275,16 @@ ti,syscon-dev = <&devctrl 0x2a0>; }; + pcie0_phy: pciephy@2320000 { + #phy-cells = <0>; + compatible = "ti,keystone-serdes-pcie"; + reg = <0x02320000 0x4000>; + reg-names = "serdes"; + link-rate-kbps = <5000000>; + num-lanes = <2>; + status = "disabled"; + }; + pcie0: pcie@21800000 { compatible = "ti,keystone-pcie", "snps,dw-pcie"; clocks = <&clkpcie>; @@ -319,6 +329,17 @@ , ; }; + + /* PCIE phy */ + serdeses { + #address-cells = <1>; + #size-cells = <0>; + serdes@0 { + reg = <0>; + phys = <&pcie0_phy>; + }; + }; + }; }; }; -- 1.7.9.5