linux-kernel - [PATCH AUTOSEL 6.12 04/37] nvmem: rockchip-otp: add rk3576 variant data

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Message-Id: <20250429235122.537321-4-sashal@kernel.org>
Date: Tue, 29 Apr 2025 19:50:49 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Heiko Stuebner <heiko@...ech.de>,
	Nicolas Frattaroli <nicolas.frattaroli@...labora.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sasha Levin <sashal@...nel.org>,
	srini@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org
Subject: [PATCH AUTOSEL 6.12 04/37] nvmem: rockchip-otp: add rk3576 variant data

From: Heiko Stuebner <heiko@...ech.de>

[ Upstream commit 50d75a13a9ce880a5ef07a4ccc63ba561cc2e69a ]

The variant works very similar to the rk3588, just with a different
read-offset and size.

Signed-off-by: Heiko Stuebner <heiko@...ech.de>
Tested-by: Nicolas Frattaroli <nicolas.frattaroli@...labora.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Link: https://lore.kernel.org/r/20250411112251.68002-5-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/nvmem/rockchip-otp.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/nvmem/rockchip-otp.c b/drivers/nvmem/rockchip-otp.c
index 3edfbfc2d7220..d88f12c532426 100644
--- a/drivers/nvmem/rockchip-otp.c
+++ b/drivers/nvmem/rockchip-otp.c
@@ -274,6 +274,14 @@ static const struct rockchip_data px30_data = {
 	.reg_read = px30_otp_read,
 };
 
+static const struct rockchip_data rk3576_data = {
+	.size = 0x100,
+	.read_offset = 0x700,
+	.clks = px30_otp_clocks,
+	.num_clks = ARRAY_SIZE(px30_otp_clocks),
+	.reg_read = rk3588_otp_read,
+};
+
 static const char * const rk3588_otp_clocks[] = {
 	"otp", "apb_pclk", "phy", "arb",
 };
@@ -295,6 +303,10 @@ static const struct of_device_id rockchip_otp_match[] = {
 		.compatible = "rockchip,rk3308-otp",
 		.data = &px30_data,
 	},
+	{
+		.compatible = "rockchip,rk3576-otp",
+		.data = &rk3576_data,
+	},
 	{
 		.compatible = "rockchip,rk3588-otp",
 		.data = &rk3588_data,
-- 
2.39.5