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122 lines
3.1 KiB
122 lines
3.1 KiB
6 years ago
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From b36f694256f41bc71571f467646d015dda128d14 Mon Sep 17 00:00:00 2001
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From: Hauke Mehrtens <hauke@hauke-m.de>
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Date: Sat, 9 Nov 2013 17:03:59 +0100
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Subject: [PATCH 210/210] b44: register adm switch
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---
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drivers/net/ethernet/broadcom/b44.c | 57 +++++++++++++++++++++++++++++++++++
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drivers/net/ethernet/broadcom/b44.h | 3 ++
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2 files changed, 60 insertions(+)
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--- a/drivers/net/ethernet/broadcom/b44.c
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+++ b/drivers/net/ethernet/broadcom/b44.c
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@@ -31,6 +31,8 @@
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#include <linux/ssb/ssb.h>
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#include <linux/slab.h>
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#include <linux/phy.h>
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+#include <linux/platform_device.h>
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+#include <linux/platform_data/adm6996-gpio.h>
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#include <linux/uaccess.h>
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#include <asm/io.h>
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@@ -2246,6 +2248,69 @@ static void b44_adjust_link(struct net_d
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}
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}
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+#ifdef CONFIG_BCM47XX
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+static int b44_register_adm_switch(struct b44 *bp)
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+{
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+ int gpio;
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+ struct platform_device *pdev;
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+ struct adm6996_gpio_platform_data adm_data = {0};
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+ struct platform_device_info info = {0};
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+
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+ adm_data.model = ADM6996L;
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+ gpio = bcm47xx_nvram_gpio_pin("adm_eecs");
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+ if (gpio >= 0)
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+ adm_data.eecs = gpio;
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+ else
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+ adm_data.eecs = 2;
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+
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+ gpio = bcm47xx_nvram_gpio_pin("adm_eesk");
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+ if (gpio >= 0)
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+ adm_data.eesk = gpio;
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+ else
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+ adm_data.eesk = 3;
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+
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+ gpio = bcm47xx_nvram_gpio_pin("adm_eedi");
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+ if (gpio >= 0)
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+ adm_data.eedi = gpio;
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+ else
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+ adm_data.eedi = 4;
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+
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+ /*
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+ * We ignore the "adm_rc" GPIO here. The driver does not use it,
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+ * and it conflicts with the Reset button GPIO on the Linksys WRT54GSv1.
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+ */
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+
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+ info.parent = bp->sdev->dev;
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+ info.name = "adm6996_gpio";
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+ info.id = -1;
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+ info.data = &adm_data;
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+ info.size_data = sizeof(adm_data);
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+
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+ if (!bp->adm_switch) {
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+ pdev = platform_device_register_full(&info);
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+ if (IS_ERR(pdev))
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+ return PTR_ERR(pdev);
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+
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+ bp->adm_switch = pdev;
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+ }
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+ return 0;
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+}
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+static void b44_unregister_adm_switch(struct b44 *bp)
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+{
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+ if (bp->adm_switch)
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+ platform_device_unregister(bp->adm_switch);
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+}
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+#else
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+static int b44_register_adm_switch(struct b44 *bp)
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+{
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+ return 0;
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+}
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+static void b44_unregister_adm_switch(struct b44 *bp)
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+{
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+
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+}
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+#endif /* CONFIG_BCM47XX */
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+
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static int b44_register_phy_one(struct b44 *bp)
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{
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struct mii_bus *mii_bus;
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@@ -2281,6 +2346,9 @@ static int b44_register_phy_one(struct b
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if (!mdiobus_is_registered_device(bp->mii_bus, bp->phy_addr) &&
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(sprom->boardflags_lo & (B44_BOARDFLAG_ROBO | B44_BOARDFLAG_ADM))) {
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+ if (sprom->boardflags_lo & B44_BOARDFLAG_ADM)
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+ b44_register_adm_switch(bp);
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+
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dev_info(sdev->dev,
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"could not find PHY at %i, use fixed one\n",
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bp->phy_addr);
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@@ -2475,6 +2543,7 @@ static void b44_remove_one(struct ssb_de
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unregister_netdev(dev);
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if (bp->flags & B44_FLAG_EXTERNAL_PHY)
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b44_unregister_phy_one(bp);
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+ b44_unregister_adm_switch(bp);
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ssb_device_disable(sdev, 0);
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ssb_bus_may_powerdown(sdev->bus);
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netif_napi_del(&bp->napi);
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--- a/drivers/net/ethernet/broadcom/b44.h
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+++ b/drivers/net/ethernet/broadcom/b44.h
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@@ -408,6 +408,9 @@ struct b44 {
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struct mii_bus *mii_bus;
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int old_link;
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struct mii_if_info mii_if;
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+
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+ /* platform device for associated switch */
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+ struct platform_device *adm_switch;
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};
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#endif /* _B44_H */
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