linux-kernel - [PATCH v3 9/9] nvmem: sfp: Add support for TA 2.1 devices

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Message-Id: <20220428181703.2194171-10-sean.anderson@seco.com>
Date:   Thu, 28 Apr 2022 14:17:03 -0400
From:   Sean Anderson <sean.anderson@...o.com>
To:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Cc:     Li Yang <leoyang.li@....com>, linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Walle <michael@...le.cc>, Andrew Lunn <andrew@...n.ch>,
        Sean Anderson <sean.anderson@...o.com>
Subject: [PATCH v3 9/9] nvmem: sfp: Add support for TA 2.1 devices

This adds support for Trust Architecture (TA) 2.1 devices to the SFP driver.
There are few differences between TA 2.1 and TA 3.0, especially for
read-only support, so just re-use the existing data.

Signed-off-by: Sean Anderson <sean.anderson@...o.com>
---

(no changes since v1)

 drivers/nvmem/layerscape-sfp.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/nvmem/layerscape-sfp.c b/drivers/nvmem/layerscape-sfp.c
index 59083f048921..e2b424561949 100644
--- a/drivers/nvmem/layerscape-sfp.c
+++ b/drivers/nvmem/layerscape-sfp.c
@@ -78,12 +78,18 @@ static int layerscape_sfp_probe(struct platform_device *pdev)
 	return PTR_ERR_OR_ZERO(nvmem);
 }
 
+static const struct layerscape_sfp_data ls1021a_data = {
+	.size = 0x88,
+	.endian = REGMAP_ENDIAN_BIG,
+};
+
 static const struct layerscape_sfp_data ls1028a_data = {
 	.size = 0x88,
 	.endian = REGMAP_ENDIAN_LITTLE,
 };
 
 static const struct of_device_id layerscape_sfp_dt_ids[] = {
+	{ .compatible = "fsl,ls1021a-sfp", .data = &ls1021a_data },
 	{ .compatible = "fsl,ls1028a-sfp", .data = &ls1028a_data },
 	{},
 };
-- 
2.35.1.1320.gc452695387.dirty