[PATCH v9 net-next 4/7] pinctrl: microchip-sgpio: add ability to be used in a non-mmio configuration
From: Colin Foster <colin.foster@in-advantage.com>
Date: 2022-06-10 17:57:39
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> --- drivers/pinctrl/pinctrl-microchip-sgpio.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c
index 6f55bf7d5e05..25fe57a0c26e 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 +937,8 @@ 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); + ocelot_platform_init_regmap_from_resource(pdev, 0, &priv->regs, NULL, + ®map_config); if (IS_ERR(priv->regs)) return PTR_ERR(priv->regs);
--
2.25.1