diff options
| -rw-r--r-- | Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/marvell/mvneta.c | 38 |
2 files changed, 30 insertions, 15 deletions
diff --git a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt index aeea50c84e92..d0cb8693963b 100644 --- a/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt +++ b/Documentation/devicetree/bindings/net/marvell-armada-370-neta.txt @@ -6,12 +6,17 @@ Required properties: - interrupts: interrupt for the device - phy: See ethernet.txt file in the same directory. - phy-mode: See ethernet.txt file in the same directory -- clocks: a pointer to the reference clock for this device. +- clocks: List of clocks for this device. At least one clock is + mandatory for the core clock. If several clocks are given, then the + clock-names property must be used to identify them. Optional properties: - tx-csum-limit: maximum mtu supported by port that allow TX checksum. Value is presented in bytes. If not used, by default 1600B is set for "marvell,armada-370-neta" and 9800B for others. +- clock-names: List of names corresponding to clocks property; shall be + "core" for core clock and "bus" for the optional bus clock. + Example: diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index 4a8ed5bc3140..662c2ee268c7 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -11,28 +11,28 @@ * warranty of any kind, whether express or implied. */ -#include <linux/kernel.h> -#include <linux/netdevice.h> +#include <linux/clk.h> +#include <linux/cpu.h> #include <linux/etherdevice.h> -#include <linux/platform_device.h> -#include <linux/skbuff.h> +#include <linux/if_vlan.h> #include <linux/inetdevice.h> -#include <linux/mbus.h> -#include <linux/module.h> #include <linux/interrupt.h> -#include <linux/if_vlan.h> -#include <net/ip.h> -#include <net/ipv6.h> #include <linux/io.h> -#include <net/tso.h> +#include <linux/kernel.h> +#include <linux/mbus.h> +#include <linux/module.h> +#include <linux/netdevice.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_irq.h> #include <linux/of_mdio.h> #include <linux/of_net.h> -#include <linux/of_address.h> #include <linux/phy.h> -#include <linux/clk.h> -#include <linux/cpu.h> +#include <linux/platform_device.h> +#include <linux/skbuff.h> +#include <net/ip.h> +#include <net/ipv6.h> +#include <net/tso.h> /* Registers */ #define MVNETA_RXQ_CONFIG_REG(q) (0x1400 + ((q) << 2)) @@ -373,6 +373,8 @@ struct mvneta_port { /* Core clock */ struct clk *clk; + /* AXI clock */ + struct clk *clk_bus; u8 mcast_count[256]; u16 tx_ring_size; u16 rx_ring_size; @@ -3604,7 +3606,9 @@ static int mvneta_probe(struct platform_device *pdev) pp->indir[0] = rxq_def; - pp->clk = devm_clk_get(&pdev->dev, NULL); + pp->clk = devm_clk_get(&pdev->dev, "core"); + if (IS_ERR(pp->clk)) + pp->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(pp->clk)) { err = PTR_ERR(pp->clk); goto err_put_phy_node; @@ -3612,6 +3616,10 @@ static int mvneta_probe(struct platform_device *pdev) clk_prepare_enable(pp->clk); + pp->clk_bus = devm_clk_get(&pdev->dev, "bus"); + if (!IS_ERR(pp->clk_bus)) + clk_prepare_enable(pp->clk_bus); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); pp->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(pp->base)) { @@ -3723,6 +3731,7 @@ err_free_stats: err_free_ports: free_percpu(pp->ports); err_clk: + clk_disable_unprepare(pp->clk_bus); clk_disable_unprepare(pp->clk); err_put_phy_node: of_node_put(phy_node); @@ -3740,6 +3749,7 @@ static int mvneta_remove(struct platform_device *pdev) struct mvneta_port *pp = netdev_priv(dev); unregister_netdev(dev); + clk_disable_unprepare(pp->clk_bus); clk_disable_unprepare(pp->clk); free_percpu(pp->ports); free_percpu(pp->stats); |