Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6b60393e authored by Richard Cochran's avatar Richard Cochran Committed by David S. Miller
Browse files

cpsw: add a DT field for the cpts offset 



Signed-off-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 87c0e764

Documentation/devicetree/bindings/net/cpsw.txt

+3 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ Required properties: 
- ale_entries		: Specifies No of entries ALE can hold

- host_port_reg_ofs	: Specifies host port register offset

- hw_stats_reg_ofs	: Specifies hardware statistics register offset

- cpts_reg_ofs		: Specifies the offset of the CPTS registers

- bd_ram_ofs		: Specifies internal desciptor RAM offset

- bd_ram_size		: Specifies internal descriptor RAM size

- rx_descs		: Specifies number of Rx descriptors
@@ -52,6 +53,7 @@ Examples: 
		ale_entries = <1024>;

		host_port_reg_ofs = <0x108>;

		hw_stats_reg_ofs = <0x900>;

		cpts_reg_ofs = <0xc00>;

		bd_ram_ofs = <0x2000>;

		bd_ram_size = <0x2000>;

		no_bd_ram = <0>;
@@ -86,6 +88,7 @@ Examples: 
		ale_entries = <1024>;

		host_port_reg_ofs = <0x108>;

		hw_stats_reg_ofs = <0x900>;

		cpts_reg_ofs = <0xc00>;

		bd_ram_ofs = <0x2000>;

		bd_ram_size = <0x2000>;

		no_bd_ram = <0>;

drivers/net/ethernet/ti/cpsw.c

+7 −0
Original line number Diff line number Diff line
@@ -912,6 +912,13 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data, 
	}

	data->hw_stats_reg_ofs = prop;



	if (of_property_read_u32(node, "cpts_reg_ofs", &prop)) {

		pr_err("Missing cpts_reg_ofs property in the DT.\n");

		ret = -EINVAL;

		goto error_ret;

	}

	data->cpts_reg_ofs = prop;



	if (of_property_read_u32(node, "bd_ram_ofs", &prop)) {

		pr_err("Missing bd_ram_ofs property in the DT.\n");

		ret = -EINVAL;

include/linux/platform_data/cpsw.h

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ struct cpsw_platform_data { 
	u32     host_port_num; /* The port number for the host port */



	u32	hw_stats_reg_ofs;  /* cpsw hardware statistics counters */

	u32	cpts_reg_ofs;      /* cpts registers */



	u32	bd_ram_ofs;   /* embedded buffer descriptor RAM offset*/

	u32	bd_ram_size;  /*buffer descriptor ram size */