[PATCH v15 mfd 6/9] pinctrl: microchip-sgpio: add ability to be used in a non-mmio configuration
From: Colin Foster <colin.foster@in-advantage.com>
Date: 2022-08-03 05:49:17
Also in:
linux-arm-kernel, linux-devicetree, linux-gpio, lkml
Subsystem:
arm/microchip sparx5 soc support, pin control subsystem, the rest · Maintainers:
Steen Hegelund, Daniel Machon, Linus Walleij, Linus Torvalds
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 <redacted>
---
(No changes since v14)
v14
* Add Reviewed and Acked tags
---
drivers/pinctrl/pinctrl-microchip-sgpio.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
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, ®map_config); + priv->regs = ocelot_regmap_from_resource(pdev, 0, ®map_config); if (IS_ERR(priv->regs)) return PTR_ERR(priv->regs);
--
2.25.1