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7890dd75ad
The OF LED configuration patch fails on MT7621, as the necessary headers
were only included for the mediatek subtarget with an additional patch.
Fixes: 242fe8634e ("generic: add hack for MT753x LED configuration")
Signed-off-by: David Bauer <mail@david-bauer.net>
73 lines
1.9 KiB
Diff
73 lines
1.9 KiB
Diff
From cc225d163b5a4f7a0d1968298bf7927306646a47 Mon Sep 17 00:00:00 2001
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From: David Bauer <mail@david-bauer.net>
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Date: Fri, 28 Apr 2023 01:53:01 +0200
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Subject: [PATCH] net: phy: mediatek-ge: add LED configuration interface
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This adds a small hack similar to the one used for ar8xxx switches to
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read a reg:value map for configuring the LED configuration registers.
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This allows OpenWrt to write device-specific LED action as well as blink
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configurations. It is unlikely to be accepted upstream, as upstream
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plans on integrating their own framework for handling these LEDs.
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Signed-off-by: David Bauer <mail@david-bauer.net>
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---
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drivers/net/phy/mediatek-ge.c | 33 +++++++++++++++++++++++++++++++++
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1 file changed, 33 insertions(+)
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--- a/drivers/net/phy/mediatek-ge.c
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+++ b/drivers/net/phy/mediatek-ge.c
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@@ -1,4 +1,5 @@
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// SPDX-License-Identifier: GPL-2.0+
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+#include <linux/of.h>
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#include <linux/bitfield.h>
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#include <linux/module.h>
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#include <linux/phy.h>
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@@ -53,6 +54,36 @@ static int mt7530_phy_config_init(struct
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return 0;
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}
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+static int mt7530_led_config_of(struct phy_device *phydev)
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+{
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+ struct device_node *np = phydev->mdio.dev.of_node;
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+ const __be32 *paddr;
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+ int len;
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+ int i;
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+
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+ paddr = of_get_property(np, "mediatek,led-config", &len);
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+ if (!paddr)
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+ return 0;
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+
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+ if (len < (2 * sizeof(*paddr)))
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+ return -EINVAL;
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+
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+ len /= sizeof(*paddr);
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+
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+ phydev_warn(phydev, "Configure LED registers (num=%d)\n", len);
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+ for (i = 0; i < len - 1; i += 2) {
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+ u32 reg;
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+ u32 val;
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+
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+ reg = be32_to_cpup(paddr + i);
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+ val = be32_to_cpup(paddr + i + 1);
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+
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+ phy_write_mmd(phydev, MDIO_MMD_VEND2, reg, val);
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+ }
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+
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+ return 0;
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+}
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+
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static int mt7531_phy_config_init(struct phy_device *phydev)
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{
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mtk_gephy_config_init(phydev);
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@@ -65,6 +96,9 @@ static int mt7531_phy_config_init(struct
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phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x13, 0x404);
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phy_write_mmd(phydev, MDIO_MMD_VEND1, 0x14, 0x404);
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+ /* LED Config*/
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+ mt7530_led_config_of(phydev);
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+
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return 0;
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}
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