diff options
Diffstat (limited to 'drivers/net/can/m_can/m_can_platform.c')
| -rw-r--r-- | drivers/net/can/m_can/m_can_platform.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can/m_can_platform.c index 599de0e08cd7..a28c84aa8fa8 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -6,6 +6,7 @@ // Copyright (C) 2018-19 Texas Instruments Incorporated - http://www.ti.com/ #include <linux/platform_device.h> +#include <linux/phy/phy.h> #include "m_can.h" @@ -67,6 +68,7 @@ static int m_can_plat_probe(struct platform_device *pdev) struct resource *res; void __iomem *addr; void __iomem *mram_addr; + struct phy *transceiver; int irq, ret = 0; mcan_class = m_can_class_allocate_dev(&pdev->dev, @@ -80,8 +82,7 @@ static int m_can_plat_probe(struct platform_device *pdev) if (ret) goto probe_fail; - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "m_can"); - addr = devm_ioremap_resource(&pdev->dev, res); + addr = devm_platform_ioremap_resource_byname(pdev, "m_can"); irq = platform_get_irq_byname(pdev, "int0"); if (IS_ERR(addr) || irq < 0) { ret = -EINVAL; @@ -101,6 +102,16 @@ static int m_can_plat_probe(struct platform_device *pdev) goto probe_fail; } + transceiver = devm_phy_optional_get(&pdev->dev, NULL); + if (IS_ERR(transceiver)) { + ret = PTR_ERR(transceiver); + dev_err_probe(&pdev->dev, ret, "failed to get phy\n"); + goto probe_fail; + } + + if (transceiver) + mcan_class->can.bitrate_max = transceiver->attrs.max_link_rate; + priv->base = addr; priv->mram_base = mram_addr; @@ -108,6 +119,7 @@ static int m_can_plat_probe(struct platform_device *pdev) mcan_class->pm_clock_support = 1; mcan_class->can.clock.freq = clk_get_rate(mcan_class->cclk); mcan_class->dev = &pdev->dev; + mcan_class->transceiver = transceiver; mcan_class->ops = &m_can_plat_ops; |