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Date: Tue, 3 Nov 2020 09:25:48 +0530
From: Kishon Vijay Abraham I <kishon@...com>
To: Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>
CC: Swapnil Kashinath Jakhade <sjakhade@...ence.com>,
Milind Parab <mparab@...ence.com>,
Yuti Suresh Amonkar <yamonkar@...ence.com>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH 1/9] dt-bindings: phy: cadence-sierra: Add bindings for the PLLs within SERDES
Add binding for the PLLs within SERDES.
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
.../bindings/phy/phy-cadence-sierra.yaml | 89 ++++++++++++++++++-
1 file changed, 86 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml b/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml
index d210843863df..f574b8ed358c 100644
--- a/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml
+++ b/Documentation/devicetree/bindings/phy/phy-cadence-sierra.yaml
@@ -49,12 +49,14 @@ properties:
const: serdes
clocks:
- maxItems: 2
+ maxItems: 4
clock-names:
items:
- const: cmn_refclk_dig_div
- const: cmn_refclk1_dig_div
+ - const: pll_cmnlc
+ - const: pll_cmnlc1
cdns,autoconf:
type: boolean
@@ -107,6 +109,58 @@ patternProperties:
additionalProperties: false
+ "^refrcv1?$":
+ type: object
+ description: |
+ Reference receivers that enables routing external clocks to the alternate
+ PLLCMNLC.
+ properties:
+ clocks:
+ maxItems: 1
+ description: Phandle to clock nodes representing the input to the
+ reference receiver.
+
+ clock-names:
+ items:
+ - const: pll_refclk
+
+ "#clock-cells":
+ const: 0
+
+ required:
+ - clocks
+ - "#clock-cells"
+
+ "^pll_cmnlc1?$":
+ type: object
+ description: |
+ SERDES node should have subnodes for each of the PLLs present in
+ the SERDES.
+ properties:
+ clocks:
+ maxItems: 2
+ description: Phandle to clock nodes representing the two inputs to PLL.
+
+ clock-names:
+ items:
+ - const: pll_refclk
+ - const: refrcv
+
+ "#clock-cells":
+ const: 0
+
+ assigned-clocks:
+ maxItems: 1
+
+ assigned-clock-parents:
+ maxItems: 1
+
+ required:
+ - clocks
+ - "#clock-cells"
+ - assigned-clocks
+ - assigned-clock-parents
+
required:
- compatible
- "#address-cells"
@@ -130,10 +184,39 @@ examples:
reg = <0x0 0xfd240000 0x0 0x40000>;
resets = <&phyrst 0>, <&phyrst 1>;
reset-names = "sierra_reset", "sierra_apb";
- clocks = <&cmn_refclk_dig_div>, <&cmn_refclk1_dig_div>;
- clock-names = "cmn_refclk_dig_div", "cmn_refclk1_dig_div";
+ clocks = <&cmn_refclk_dig_div>, <&cmn_refclk1_dig_div>, <&serdes_pll_cmnlc>, <&serdes_pll_cmnlc1>;
+ clock-names = "cmn_refclk_dig_div", "cmn_refclk1_dig_div", "pll_cmnlc", "pll_cmnlc1";
#address-cells = <1>;
#size-cells = <0>;
+
+ serdes_refrcv: refrcv {
+ clocks = <&pll0_refclk>;
+ clock-names = "pll_refclk";
+ #clock-cells = <0>;
+ };
+
+ serdes_refrcv1: refrcv1 {
+ clocks = <&pll1_refclk>;
+ clock-names = "pll_refclk";
+ #clock-cells = <0>;
+ };
+
+ serdes_pll_cmnlc: pll_cmnlc {
+ clocks = <&pll0_refclk>, <&serdes_refrcv1>;
+ clock-names = "pll_refclk", "refrcv";
+ #clock-cells = <0>;
+ assigned-clocks = <&serdes_pll_cmnlc>;
+ assigned-clock-parents = <&pll0_refclk>;
+ };
+
+ serdes_pll_cmnlc1: pll_cmnlc1 {
+ clocks = <&pll1_refclk>, <&serdes_refrcv>;
+ clock-names = "pll_refclk", "refrcv";
+ #clock-cells = <0>;
+ assigned-clocks = <&serdes_pll_cmnlc1>;
+ assigned-clock-parents = <&pll1_refclk>;
+ };
+
pcie0_phy0: phy@0 {
reg = <0>;
resets = <&phyrst 2>;
--
2.17.1
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