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X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add support for Tegra234 P2U (PIPE to UPHY) module block which is a glue module instantiated once for each PCIe lane between Synopsys DesignWare core based PCIe IP and Universal PHY block. Signed-off-by: Vidya Sagar Reviewed-by: Rob Herring --- V3: * Added 'Reviewed-by: Rob Herring ' V2: * Addressed review comments from Rob and Raul * Ran 'dt_binding_check' and 'dtbs_check' on this change .../bindings/phy/phy-tegra194-p2u.yaml | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml index 9a89d05efbda..4dc5205d893b 100644 --- a/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml +++ b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.yaml @@ -4,7 +4,7 @@ $id: "http://devicetree.org/schemas/phy/phy-tegra194-p2u.yaml#" $schema: "http://devicetree.org/meta-schemas/core.yaml#" -title: NVIDIA Tegra194 P2U binding +title: NVIDIA Tegra194 & Tegra234 P2U binding maintainers: - Thierry Reding @@ -12,13 +12,17 @@ maintainers: description: > Tegra194 has two PHY bricks namely HSIO (High Speed IO) and NVHS (NVIDIA High Speed) each interfacing with 12 and 8 P2U instances respectively. + Tegra234 has three PHY bricks namely HSIO, NVHS and GBE (Gigabit Ethernet) + each interfacing with 8, 8 and 8 P2U instances respectively. A P2U instance is a glue logic between Synopsys DesignWare Core PCIe IP's PIPE - interface and PHY of HSIO/NVHS bricks. Each P2U instance represents one PCIe - lane. + interface and PHY of HSIO/NVHS/GBE bricks. Each P2U instance represents one + PCIe lane. properties: compatible: - const: nvidia,tegra194-p2u + enum: + - nvidia,tegra194-p2u + - nvidia,tegra234-p2u reg: maxItems: 1 @@ -28,6 +32,11 @@ properties: items: - const: ctl + nvidia,skip-sz-protect-en: + description: Should be present if two PCIe retimers are present between + the root port and its immediate downstream device. + type: boolean + '#phy-cells': const: 0 -- 2.17.1 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy