linux-kernel - [PATCH 3/5] soc: tegra: fuse: speedo-tegra210: Add sku 0x8F

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Message-Id: <20250816-tegra210-speedo-v1-3-a981360adc27@gmail.com>
Date: Sat, 16 Aug 2025 00:53:35 -0500
From: Aaron Kling via B4 Relay <devnull+webgeek1234.gmail.com@...nel.org>
To: Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Thierry Reding <thierry.reding@...il.com>, 
 Jonathan Hunter <jonathanh@...dia.com>, Joseph Lo <josephl@...dia.com>, 
 Peter De Schrijver <pdeschrijver@...dia.com>, 
 Prashant Gaikwad <pgaikwad@...dia.com>
Cc: linux-clk@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Thierry Reding <treding@...dia.com>, Aaron Kling <webgeek1234@...il.com>
Subject: [PATCH 3/5] soc: tegra: fuse: speedo-tegra210: Add sku 0x8F

From: Aaron Kling <webgeek1234@...il.com>

This is used by the Jetson Nano series of SoMs

Fixes: 579db6e5d9b8 ("arm64: tegra: Enable DFLL support on Jetson Nano")
Signed-off-by: Aaron Kling <webgeek1234@...il.com>
---
 drivers/soc/tegra/fuse/speedo-tegra210.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/soc/tegra/fuse/speedo-tegra210.c b/drivers/soc/tegra/fuse/speedo-tegra210.c
index 909fdf8fcc9d9f5ac936ae322e7a73dc720e5ab6..1cdd70c59c0753e602709f9179c0ab67d1b8f5e3 100644
--- a/drivers/soc/tegra/fuse/speedo-tegra210.c
+++ b/drivers/soc/tegra/fuse/speedo-tegra210.c
@@ -99,6 +99,14 @@ static void __init rev_sku_to_speedo_ids(struct tegra_sku_info *sku_info,
 		sku_info->gpu_speedo_id = 1;
 		break;
 
+	case 0x8F:
+		if (speedo_rev >= 2) {
+			sku_info->cpu_speedo_id = 9;
+			sku_info->gpu_speedo_id = 2;
+			break;
+		}
+		fallthrough;
+
 	default:
 		pr_err("Tegra210: unknown SKU %#04x\n", sku);
 		/* Using the default for the error case */

-- 
2.50.1