linux-kernel - [PATCH v2 3/3] clk: en7523: Add clock for eMMC for EN7581

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Message-ID: <20241218091153.30088-3-ansuelsmth@gmail.com>
Date: Wed, 18 Dec 2024 10:11:35 +0100
From: Christian Marangi <ansuelsmth@...il.com>
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>,
	linux-clk@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	upstream@...oha.com
Cc: Christian Marangi <ansuelsmth@...il.com>
Subject: [PATCH v2 3/3] clk: en7523: Add clock for eMMC for EN7581

Add clock for eMMC for EN7581. This is used to give info of the current
eMMC source clock and to switch it from 200MHz or 150MHz.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
Changes v2:
- Rename emmc_base to emmc7581_base to make it more clear

 drivers/clk/clk-en7523.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/clk/clk-en7523.c b/drivers/clk/clk-en7523.c
index d77d3d459b40..5bfba57a00f5 100644
--- a/drivers/clk/clk-en7523.c
+++ b/drivers/clk/clk-en7523.c
@@ -91,6 +91,7 @@ static const u32 emi7581_base[] = { 540000000, 480000000, 400000000, 300000000 }
 static const u32 bus7581_base[] = { 600000000, 540000000 };
 static const u32 npu7581_base[] = { 800000000, 750000000, 720000000, 600000000 };
 static const u32 crypto_base[] = { 540000000, 480000000 };
+static const u32 emmc7581_base[] = { 200000000, 150000000 };
 
 static const struct en_clk_desc en7523_base_clks[] = {
 	{
@@ -281,6 +282,15 @@ static const struct en_clk_desc en7581_base_clks[] = {
 		.base_shift = 0,
 		.base_values = crypto_base,
 		.n_base_values = ARRAY_SIZE(crypto_base),
+	}, {
+		.id = EN7581_CLK_EMMC,
+		.name = "emmc",
+
+		.base_reg = REG_CRYPTO_CLKSRC2,
+		.base_bits = 1,
+		.base_shift = 12,
+		.base_values = emmc7581_base,
+		.n_base_values = ARRAY_SIZE(emmc7581_base),
 	}
 };
 
-- 
2.45.2