diff mbox series

[RESEND,v16,mfd,5/8] pinctrl: microchip-sgpio: add ability to be used in a non-mmio configuration

Message ID 20220905162132.2943088-6-colin.foster@in-advantage.com
State New
Headers show
Series add support for VSC7512 control over SPI | expand

Commit Message

Colin Foster Sept. 5, 2022, 4:21 p.m. UTC 
There are a few Ocelot chips that can contain SGPIO logic, but can be
controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In
the externally controlled configurations these registers are not
memory-mapped.

Add support for these non-memory-mapped configurations.

Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
---

v16
    * Add Andy Reviewed-by tag

v15
    * No changes

v14
    * Add Reviewed and Acked tags

---
 drivers/pinctrl/pinctrl-microchip-sgpio.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Comments

Lee Jones Sept. 8, 2022, 9:42 a.m. UTC | #1 
On Mon, 05 Sep 2022, Colin Foster wrote:

> There are a few Ocelot chips that can contain SGPIO logic, but can be
> controlled externally. Specifically the VSC7511, 7512, 7513, and 7514. In
> the externally controlled configurations these registers are not
> memory-mapped.
> 
> Add support for these non-memory-mapped configurations.
> 
> Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> Acked-by: Linus Walleij <linus.walleij@linaro.org>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
> ---
> 
> v16
>     * Add Andy Reviewed-by tag
> 
> v15
>     * No changes
> 
> v14
>     * Add Reviewed and Acked tags
> 
> ---
>  drivers/pinctrl/pinctrl-microchip-sgpio.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)

Applied, thanks.
diff mbox series

Patch

diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c
index e56074b7e659..2b4167a09b3b 100644
--- a/drivers/pinctrl/pinctrl-microchip-sgpio.c
+++ b/drivers/pinctrl/pinctrl-microchip-sgpio.c
@@ -12,6 +12,7 @@ 
 #include <linux/clk.h>
 #include <linux/gpio/driver.h>
 #include <linux/io.h>
+#include <linux/mfd/ocelot.h>
 #include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/pinctrl/pinmux.h>
@@ -904,7 +905,6 @@  static int microchip_sgpio_probe(struct platform_device *pdev)
 	struct reset_control *reset;
 	struct sgpio_priv *priv;
 	struct clk *clk;
-	u32 __iomem *regs;
 	u32 val;
 	struct regmap_config regmap_config = {
 		.reg_bits = 32,
@@ -937,11 +937,7 @@  static int microchip_sgpio_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(regs))
-		return PTR_ERR(regs);
-
-	priv->regs = devm_regmap_init_mmio(dev, regs, &regmap_config);
+	priv->regs = ocelot_regmap_from_resource(pdev, 0, &regmap_config);
 	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);