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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>
This commit is contained in:
Jonathan Lemon 2021-09-14 19:16:19 -07:00 committed by David S. Miller
parent c688721464
commit 1618df6afa
1 changed files with 21 additions and 4 deletions
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25
drivers/ptp/ptp_ocp.c
View File

@ -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))