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authorJonathan Lemon <jonathan.lemon@gmail.com>2021-09-15 04:16:19 +0200
committerDavid S. Miller <davem@davemloft.net>2021-09-15 12:10:00 +0200
commit1618df6afab2c1856cd574444b76f6dccee080df (patch)
treeaaa0d102401270ca1b1173191c24b51d3a21fe78 /drivers/ptp
parentdt-bindings: net: lantiq: Add the burst length properties (diff)
downloadlinux-1618df6afab2c1856cd574444b76f6dccee080df.tar.xz
linux-1618df6afab2c1856cd574444b76f6dccee080df.zip
ptp: ocp: parameterize the i2c driver used
Move the xilinx i2c driver parameters to the resource block instead of hardcoding things in the registration functions. Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/ptp')
-rw-r--r--drivers/ptp/ptp_ocp.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/ptp/ptp_ocp.c b/drivers/ptp/ptp_ocp.c
index caf9b37c5eb1..d37eac69150a 100644
--- a/drivers/ptp/ptp_ocp.c
+++ b/drivers/ptp/ptp_ocp.c
@@ -131,6 +131,13 @@ struct ptp_ocp_flash_info {
void *data;
};
+struct ptp_ocp_i2c_info {
+ const char *name;
+ unsigned long fixed_rate;
+ size_t data_size;
+ void *data;
+};
+
struct ptp_ocp_ext_info {
const char *name;
int index;
@@ -269,6 +276,10 @@ static struct ocp_resource ocp_fb_resource[] = {
{
OCP_I2C_RESOURCE(i2c_ctrl),
.offset = 0x00150000, .size = 0x10000, .irq_vec = 7,
+ .extra = &(struct ptp_ocp_i2c_info) {
+ .name = "xiic-i2c",
+ .fixed_rate = 50000000,
+ },
},
{
OCP_SERIAL_RESOURCE(gnss_port),
@@ -944,21 +955,25 @@ ptp_ocp_register_spi(struct ptp_ocp *bp, struct ocp_resource *r)
static struct platform_device *
ptp_ocp_i2c_bus(struct pci_dev *pdev, struct ocp_resource *r, int id)
{
+ struct ptp_ocp_i2c_info *info;
struct resource res[2];
unsigned long start;
+ info = r->extra;
start = pci_resource_start(pdev, 0) + r->offset;
ptp_ocp_set_mem_resource(&res[0], start, r->size);
ptp_ocp_set_irq_resource(&res[1], pci_irq_vector(pdev, r->irq_vec));
- return platform_device_register_resndata(&pdev->dev, "xiic-i2c",
- id, res, 2, NULL, 0);
+ return platform_device_register_resndata(&pdev->dev, info->name,
+ id, res, 2,
+ info->data, info->data_size);
}
static int
ptp_ocp_register_i2c(struct ptp_ocp *bp, struct ocp_resource *r)
{
struct pci_dev *pdev = bp->pdev;
+ struct ptp_ocp_i2c_info *info;
struct platform_device *p;
struct clk_hw *clk;
char buf[32];
@@ -970,15 +985,17 @@ ptp_ocp_register_i2c(struct ptp_ocp *bp, struct ocp_resource *r)
return 0;
}
+ info = r->extra;
id = pci_dev_id(bp->pdev);
sprintf(buf, "AXI.%d", id);
- clk = clk_hw_register_fixed_rate(&pdev->dev, buf, NULL, 0, 50000000);
+ clk = clk_hw_register_fixed_rate(&pdev->dev, buf, NULL, 0,
+ info->fixed_rate);
if (IS_ERR(clk))
return PTR_ERR(clk);
bp->i2c_clk = clk;
- sprintf(buf, "xiic-i2c.%d", id);
+ sprintf(buf, "%s.%d", info->name, id);
devm_clk_hw_register_clkdev(&pdev->dev, clk, NULL, buf);
p = ptp_ocp_i2c_bus(bp->pdev, r, id);
if (IS_ERR(p))