diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0470-net-ethernet-enc28j60-add-device-tree-support.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0470-net-ethernet-enc28j60-add-device-tree-support.patch | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0470-net-ethernet-enc28j60-add-device-tree-support.patch b/target/linux/brcm2708/patches-4.4/0470-net-ethernet-enc28j60-add-device-tree-support.patch deleted file mode 100644 index 9a0b2dcdb1..0000000000 --- a/target/linux/brcm2708/patches-4.4/0470-net-ethernet-enc28j60-add-device-tree-support.patch +++ /dev/null @@ -1,143 +0,0 @@ -From bfd9d92f219cb1dc8899d0f82d6ad2f966e2ef61 Mon Sep 17 00:00:00 2001 -From: Michael Heimpold <mhei@heimpold.de> -Date: Thu, 28 Apr 2016 22:06:15 +0200 -Subject: [PATCH] net: ethernet: enc28j60: add device tree support - -(Upstream commit 2dd355a007e44960ec049c75920ddb6778fec9ee) - -The following patch adds the required match table for device tree support -(and while at, fix the indent). It's also possible to specify the -MAC address in the DT blob. - -Also add the corresponding binding documentation file. - -Signed-off-by: Michael Heimpold <mhei@heimpold.de> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - .../devicetree/bindings/net/microchip,enc28j60.txt | 59 ++++++++++++++++++++++ - drivers/net/ethernet/microchip/enc28j60.c | 21 +++++--- - 2 files changed, 73 insertions(+), 7 deletions(-) - create mode 100644 Documentation/devicetree/bindings/net/microchip,enc28j60.txt - ---- /dev/null -+++ b/Documentation/devicetree/bindings/net/microchip,enc28j60.txt -@@ -0,0 +1,59 @@ -+* Microchip ENC28J60 -+ -+This is a standalone 10 MBit ethernet controller with SPI interface. -+ -+For each device connected to a SPI bus, define a child node within -+the SPI master node. -+ -+Required properties: -+- compatible: Should be "microchip,enc28j60" -+- reg: Specify the SPI chip select the ENC28J60 is wired to -+- interrupt-parent: Specify the phandle of the source interrupt, see interrupt -+ binding documentation for details. Usually this is the GPIO bank -+ the interrupt line is wired to. -+- interrupts: Specify the interrupt index within the interrupt controller (referred -+ to above in interrupt-parent) and interrupt type. The ENC28J60 natively -+ generates falling edge interrupts, however, additional board logic -+ might invert the signal. -+- pinctrl-names: List of assigned state names, see pinctrl binding documentation. -+- pinctrl-0: List of phandles to configure the GPIO pin used as interrupt line, -+ see also generic and your platform specific pinctrl binding -+ documentation. -+ -+Optional properties: -+- spi-max-frequency: Maximum frequency of the SPI bus when accessing the ENC28J60. -+ According to the ENC28J80 datasheet, the chip allows a maximum of 20 MHz, however, -+ board designs may need to limit this value. -+- local-mac-address: See ethernet.txt in the same directory. -+ -+ -+Example (for NXP i.MX28 with pin control stuff for GPIO irq): -+ -+ ssp2: ssp@80014000 { -+ compatible = "fsl,imx28-spi"; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&spi2_pins_b &spi2_sck_cfg>; -+ status = "okay"; -+ -+ enc28j60: ethernet@0 { -+ compatible = "microchip,enc28j60"; -+ pinctrl-names = "default"; -+ pinctrl-0 = <&enc28j60_pins>; -+ reg = <0>; -+ interrupt-parent = <&gpio3>; -+ interrupts = <3 IRQ_TYPE_EDGE_FALLING>; -+ spi-max-frequency = <12000000>; -+ }; -+ }; -+ -+ pinctrl@80018000 { -+ enc28j60_pins: enc28j60_pins@0 { -+ reg = <0>; -+ fsl,pinmux-ids = < -+ MX28_PAD_AUART0_RTS__GPIO_3_3 /* Interrupt */ -+ >; -+ fsl,drive-strength = <MXS_DRIVE_4mA>; -+ fsl,voltage = <MXS_VOLTAGE_HIGH>; -+ fsl,pull-up = <MXS_PULL_DISABLE>; -+ }; -+ }; ---- a/drivers/net/ethernet/microchip/enc28j60.c -+++ b/drivers/net/ethernet/microchip/enc28j60.c -@@ -28,11 +28,12 @@ - #include <linux/skbuff.h> - #include <linux/delay.h> - #include <linux/spi/spi.h> -+#include <linux/of_net.h> - - #include "enc28j60_hw.h" - - #define DRV_NAME "enc28j60" --#define DRV_VERSION "1.01" -+#define DRV_VERSION "1.02" - - #define SPI_OPLEN 1 - -@@ -1544,6 +1545,7 @@ static int enc28j60_probe(struct spi_dev - { - struct net_device *dev; - struct enc28j60_net *priv; -+ const void *macaddr; - int ret = 0; - - if (netif_msg_drv(&debug)) -@@ -1575,7 +1577,12 @@ static int enc28j60_probe(struct spi_dev - ret = -EIO; - goto error_irq; - } -- eth_hw_addr_random(dev); -+ -+ macaddr = of_get_mac_address(spi->dev.of_node); -+ if (macaddr) -+ ether_addr_copy(dev->dev_addr, macaddr); -+ else -+ eth_hw_addr_random(dev); - enc28j60_set_hw_macaddr(dev); - - /* Board setup must set the relevant edge trigger type; -@@ -1630,16 +1637,16 @@ static int enc28j60_remove(struct spi_de - return 0; - } - --static const struct of_device_id enc28j60_of_match[] = { -- { .compatible = "microchip,enc28j60", }, -+static const struct of_device_id enc28j60_dt_ids[] = { -+ { .compatible = "microchip,enc28j60" }, - { /* sentinel */ } - }; --MODULE_DEVICE_TABLE(of, enc28j60_of_match); -+MODULE_DEVICE_TABLE(of, enc28j60_dt_ids); - - static struct spi_driver enc28j60_driver = { - .driver = { -- .name = DRV_NAME, -- .of_match_table = enc28j60_of_match, -+ .name = DRV_NAME, -+ .of_match_table = enc28j60_dt_ids, - }, - .probe = enc28j60_probe, - .remove = enc28j60_remove, |