diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-12-13 22:34:23 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-12-13 22:34:23 +0100 |
| commit | 881d01e586f1433884e2d75a1c9ffb66df6f3eb3 (patch) | |
| tree | aaa2cc95f125642323d533f06ae59b17b2353e1d | |
| parent | a3e4437c592a4d7087331533b497bda8fe04a8e4 (diff) | |
net: dm: dwc_eth_qos: support the phy-supply binding
Configure the PHY regulator if defined by the "phy-supply" device tree
phandle.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
| -rw-r--r-- | drivers/net/dwc_eth_qos.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/dwc_eth_qos.c b/drivers/net/dwc_eth_qos.c index d8c21be5eb..d1d1f2aa95 100644 --- a/drivers/net/dwc_eth_qos.c +++ b/drivers/net/dwc_eth_qos.c @@ -38,6 +38,7 @@ #include <net.h> #include <netdev.h> #include <phy.h> +#include <power/regulator.h> #include <reset.h> #include <wait_bit.h> #include <asm/arch/clock.h> @@ -325,6 +326,7 @@ struct eqos_priv { struct clk clk_slave_bus; struct mii_dev *mii; struct phy_device *phy; + struct udevice *phy_supply; void *descs; struct eqos_desc *tx_descs; struct eqos_desc *rx_descs; @@ -1693,6 +1695,16 @@ static int eqos_probe_resources_core(struct udevice *dev) } debug("%s: rx_pkt=%p\n", __func__, eqos->rx_pkt); +#ifdef CONFIG_DM_REGULATOR + if (eqos->phy_supply) { + ret = regulator_set_enable(eqos->phy_supply, true); + if (ret) { + printf("%s: Error enabling phy supply\n", dev->name); + goto err_free_rx_dma_buf; + } + } +#endif + debug("%s: OK\n", __func__); return 0; @@ -1714,6 +1726,11 @@ static int eqos_remove_resources_core(struct udevice *dev) debug("%s(dev=%p):\n", __func__, dev); +#ifdef CONFIG_DM_REGULATOR + if (eqos->phy_supply) + regulator_set_enable(eqos->phy_supply, false); +#endif + free(eqos->rx_pkt); free(eqos->rx_dma_buf); free(eqos->tx_dma_buf); @@ -2057,6 +2074,10 @@ static int eqos_probe(struct udevice *dev) eqos->dma_regs = (void *)(eqos->regs + EQOS_DMA_REGS_BASE); eqos->tegra186_regs = (void *)(eqos->regs + EQOS_TEGRA186_REGS_BASE); +#ifdef CONFIG_DM_REGULATOR + device_get_supply_regulator(dev, "phy-supply", &eqos->phy_supply); +#endif + ret = eqos_probe_resources_core(dev); if (ret < 0) { pr_err("eqos_probe_resources_core() failed: %d", ret); |