linux-kernel - [PATCH net-next v2 2/2] net: ti: icssg-prueth: Add AM64x icssg support

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Message-ID: <20230911054308.2163076-3-danishanwar@ti.com>
Date:   Mon, 11 Sep 2023 11:13:08 +0530
From:   MD Danish Anwar <danishanwar@...com>
To:     Andrew Lunn <andrew@...n.ch>, Roger Quadros <rogerq@...com>,
        MD Danish Anwar <danishanwar@...com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <edumazet@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Vignesh Raghavendra <vigneshr@...com>,
        Simon Horman <horms@...nel.org>
CC:     <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <netdev@...r.kernel.org>, <srk@...com>, <r-gunasekaran@...com>,
        Roger Quadros <rogerq@...nel.org>
Subject: [PATCH net-next v2 2/2] net: ti: icssg-prueth: Add AM64x icssg support

Add AM64x ICSSG support which is similar to am65x SR2.0, but required:
- all ring configured in exposed ring mode
- always fill both original and buffer fields in cppi5 desc

Reviewed-by: Andrew Lunn <andrew@...n.ch>
Reviewed-by: Roger Quadros <rogerq@...nel.org>
Signed-off-by: MD Danish Anwar <danishanwar@...com>
---
 drivers/net/ethernet/ti/icssg/icssg_prueth.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
index 410612f43cbd..92b13057d4de 100644
--- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c
+++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c
@@ -2313,8 +2313,13 @@ static const struct prueth_pdata am654_icssg_pdata = {
 	.quirk_10m_link_issue = 1,
 };
 
+static const struct prueth_pdata am64x_icssg_pdata = {
+	.fdqring_mode = K3_RINGACC_RING_MODE_RING,
+};
+
 static const struct of_device_id prueth_dt_match[] = {
 	{ .compatible = "ti,am654-icssg-prueth", .data = &am654_icssg_pdata },
+	{ .compatible = "ti,am642-icssg-prueth", .data = &am64x_icssg_pdata },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, prueth_dt_match);
-- 
2.34.1