From 1618df6afab2c1856cd574444b76f6dccee080df Mon Sep 17 00:00:00 2001 From: Jonathan Lemon Date: Tue, 14 Sep 2021 19:16:19 -0700 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/ptp/ptp_ocp.c | 25 +++++++++++++++++++++---- 1 file 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))