can: rcar_can: add device tree support (a268de6c) · Commits · 戴 / test

drivers/net/can/rcar_can.c

+22 −6

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@
		#include <linux/can/dev.h>
		#include <linux/clk.h>
		#include <linux/can/platform/rcar_can.h>
		#include <linux/of.h>

		#define RCAR_CAN_DRV_NAME "rcar_can"

		@@ -738,16 +739,21 @@ static int rcar_can_probe(struct platform_device *pdev)
		struct net_device *ndev;
		struct resource *mem;
		void __iomem *addr;
		u32 clock_select;
		u32 clock_select = CLKR_CLKP1;
		int err = -ENODEV;
		int irq;

		if (pdev->dev.of_node) {
		of_property_read_u32(pdev->dev.of_node,
		"renesas,can-clock-select", &clock_select);
		} else {
		pdata = dev_get_platdata(&pdev->dev);
		if (!pdata) {
		dev_err(&pdev->dev, "No platform data provided!\n");
		goto fail;
		}
		clock_select = pdata->clock_select;
		}

		irq = platform_get_irq(pdev, 0);
		if (!irq) {
		@@ -888,10 +894,20 @@ static int __maybe_unused rcar_can_resume(struct device *dev)

		static SIMPLE_DEV_PM_OPS(rcar_can_pm_ops, rcar_can_suspend, rcar_can_resume);

		static const struct of_device_id rcar_can_of_table[] __maybe_unused = {
		{ .compatible = "renesas,can-r8a7778" },
		{ .compatible = "renesas,can-r8a7779" },
		{ .compatible = "renesas,can-r8a7790" },
		{ .compatible = "renesas,can-r8a7791" },
		{ }
		};
		MODULE_DEVICE_TABLE(of, rcar_can_of_table);

		static struct platform_driver rcar_can_driver = {
		.driver = {
		.name = RCAR_CAN_DRV_NAME,
		.owner = THIS_MODULE,
		.of_match_table = of_match_ptr(rcar_can_of_table),
		.pm = &rcar_can_pm_ops,
		},
		.probe = rcar_can_probe,