openwrt/target/linux/airoha/patches-6.6/110-04-clk-en7523-Add-clock-for-eMMC-for-EN7581.patch
Christian Marangi 6b4fcc55a9
airoha: an7581: add patch fixing support for MMC
Add patch fixing support for MMC. Additional clock are needed for MMC to
work and some small fixup to make the Mediatek MMC driver on Airoha SoC.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit be5a9ff24b9c3b7d1b5bf508b84a35be9f9b3ea9)
2025-01-10 14:57:18 +01:00

40 lines
1.3 KiB
Diff

From 4fc22765b3888cf6575015b904718bfd36d1f49c Mon Sep 17 00:00:00 2001
From: Christian Marangi <ansuelsmth@gmail.com>
Date: Wed, 11 Dec 2024 12:22:38 +0100
Subject: [PATCH 4/4] 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@gmail.com>
---
drivers/clk/clk-en7523.c | 10 ++++++++++
1 file changed, 10 insertions(+)
--- a/drivers/clk/clk-en7523.c
+++ b/drivers/clk/clk-en7523.c
@@ -91,6 +91,7 @@ static const u32 emi7581_base[] = { 5400
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_b
.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),
}
};