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Date: Fri, 15 Jul 2022 17:59:51 -0400
From: Sean Anderson <sean.anderson@...o.com>
To: "David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Madalin Bucur <madalin.bucur@....com>, netdev@...r.kernel.org
Cc: Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
linux-arm-kernel@...ts.infradead.org,
Russell King <linux@...linux.org.uk>,
linux-kernel@...r.kernel.org,
Sean Anderson <sean.anderson@...o.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Li Yang <leoyang.li@....com>, Rob Herring <robh+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org
Subject: [PATCH net-next v3 44/47] arm64: dts: ls1046a: Add serdes bindings
This adds bindings for the SerDes devices. They are disabled by default
to prevent any breakage on existing boards.
Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---
Changes in v3:
- Describe modes in device tree
Changes in v2:
- Use one phy cell for SerDes1, since no lanes can be grouped
- Disable SerDes by default to prevent breaking boards inadvertently.
.../arm64/boot/dts/freescale/fsl-ls1046a.dtsi | 179 ++++++++++++++++++
1 file changed, 179 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
index 0085e83adf65..0b3765cad383 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi
@@ -413,6 +413,185 @@ bportals: bman-portals@...000000 {
ranges = <0x0 0x5 0x08000000 0x8000000>;
};
+ /*
+ * XXX: For SerDes1, lane A uses pins SD1_RX3_P/N! That is, the
+ * lane numbers and pin numbers are _reversed_. In addition,
+ * the PCCR documentation is _inconsistent_ in its usage of
+ * these terms!
+ *
+ * PCCR "Lane 0" refers to...
+ * ==== =====================
+ * 0 Lane A
+ * 2 Lane A
+ * 8 Lane A
+ * 9 Lane A
+ * B Lane D!
+ */
+ serdes1: phy@...0000 {
+ #clock-cells = <1>;
+ #phy-cells = <1>;
+ compatible = "fsl,ls1046a-serdes", "fsl,lynx-10g";
+ reg = <0x0 0x1ea0000 0x0 0x2000>;
+ status = "disabled";
+
+ pccr-0 {
+ fsl,pccr = <0x0>;
+
+ /* PCIe.1 x1 */
+ pcie-0 {
+ fsl,index = <0>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <1>;
+ fsl,proto = "pcie";
+ };
+ };
+
+ pccr-8 {
+ fsl,pccr = <0x8>;
+
+ /* SGMII.6 */
+ sgmii-0 {
+ fsl,index = <0>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <0>;
+ fsl,proto = "sgmii";
+ };
+
+ /* SGMII.5 */
+ sgmii-1 {
+ fsl,index = <1>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <1>;
+ fsl,proto = "sgmii25";
+ };
+
+ /* SGMII.10 */
+ sgmii-2 {
+ fsl,index = <2>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <2>;
+ fsl,proto = "sgmii25";
+ };
+
+ /* SGMII.9 */
+ sgmii-3 {
+ fsl,index = <3>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <3>;
+ fsl,proto = "sgmii25";
+ };
+ };
+
+ pccr-9 {
+ fsl,pccr = <0x9>;
+
+ /* QSGMII.6,5,10,1 */
+ qsgmii-1 {
+ fsl,index = <1>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <1>;
+ fsl,proto = "qsgmii";
+ };
+ };
+
+ pccr-b {
+ fsl,pccr = <0xb>;
+
+ /* XFI.10 */
+ xfi-0 {
+ fsl,index = <0>;
+ fsl,cfg = <0x2>;
+ fsl,first-lane = <2>;
+ fsl,proto = "xfi";
+ };
+
+ /* XFI.9 */
+ xfi-1 {
+ fsl,index = <1>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <3>;
+ fsl,proto = "xfi";
+ };
+ };
+ };
+
+ serdes2: phy@...0000 {
+ #clock-cells = <1>;
+ #phy-cells = <2>;
+ compatible = "fsl,ls1046a-serdes", "fsl,lynx-10g";
+ reg = <0x0 0x1eb0000 0x0 0x2000>;
+ status = "disabled";
+
+ pccr-0 {
+ fsl,pccr = <0>;
+
+ pcie-0 {
+ fsl,index = <0>;
+ fsl,proto = "pcie";
+
+ /* PCIe.1 x1 */
+ cfg-1 {
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <1>;
+ };
+
+ /* PCIe.1 x4 */
+ cfg-3 {
+ fsl,cfg = <0x3>;
+ fsl,first-lane = <0>;
+ fsl,last-lane = <3>;
+ };
+ };
+
+ pcie-2 {
+ fsl,index = <2>;
+ fsl,proto = "pcie";
+
+ /* PCIe.2 x1 */
+ cfg-1 {
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <2>;
+ };
+
+ /* PCIe.3 x2 */
+ cfg-2 {
+ fsl,cfg = <0x2>;
+ fsl,first-lane = <2>;
+ fsl,last-lane = <3>;
+ };
+
+ /* PCIe.3 x1 */
+ cfg-3 {
+ fsl,cfg = <0x3>;
+ fsl,first-lane = <3>;
+ };
+ };
+ };
+
+ pccr-2 {
+ fsl,pccr = <0x2>;
+
+ sata-0 {
+ fsl,index = <0>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <3>;
+ fsl,proto = "sata";
+ };
+ };
+
+ pccr-8 {
+ fsl,pccr = <0x8>;
+
+ /* SGMII.2 */
+ sgmii-1 {
+ fsl,index = <1>;
+ fsl,cfg = <0x1>;
+ fsl,first-lane = <1>;
+ fsl,proto = "sgmii";
+ };
+ };
+ };
+
dcfg: dcfg@...0000 {
compatible = "fsl,ls1046a-dcfg", "syscon";
reg = <0x0 0x1ee0000 0x0 0x1000>;
--
2.35.1.1320.gc452695387.dirty
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