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Date: Tue, 5 Jul 2022 13:47:38 -0700 From: Colin Foster <colin.foster@...advantage.com> To: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org Cc: Vladimir Oltean <vladimir.oltean@....com>, Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>, Russell King <linux@...linux.org.uk>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Lars Povlsen <lars.povlsen@...rochip.com>, Steen Hegelund <Steen.Hegelund@...rochip.com>, UNGLinuxDriver@...rochip.com, Linus Walleij <linus.walleij@...aro.org>, Wolfram Sang <wsa@...nel.org>, Terry Bowman <terry.bowman@....com>, Andy Shevchenko <andy.shevchenko@...il.com>, katie.morris@...advantage.com Subject: [PATCH v13 net-next 4/9] pinctrl: ocelot: add ability to be used in a non-mmio configuration There are a few Ocelot chips that contain pinctrl 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@...advantage.com> --- drivers/pinctrl/pinctrl-ocelot.c | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index d18047d2306d..80a3bba520cb 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -10,6 +10,7 @@ #include <linux/gpio/driver.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/mfd/ocelot.h> #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/of_platform.h> @@ -1918,7 +1919,6 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev) struct ocelot_pinctrl *info; struct reset_control *reset; struct regmap *pincfg; - void __iomem *base; int ret; struct regmap_config regmap_config = { .reg_bits = 32, @@ -1938,20 +1938,14 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev) "Failed to get reset\n"); reset_control_reset(reset); - base = devm_ioremap_resource(dev, - platform_get_resource(pdev, IORESOURCE_MEM, 0)); - if (IS_ERR(base)) - return PTR_ERR(base); - info->stride = 1 + (info->desc->npins - 1) / 32; regmap_config.max_register = OCELOT_GPIO_SD_MAP * info->stride + 15 * 4; - info->map = devm_regmap_init_mmio(dev, base, ®map_config); - if (IS_ERR(info->map)) { - dev_err(dev, "Failed to create regmap\n"); - return PTR_ERR(info->map); - } + info->map = ocelot_regmap_from_resource(pdev, 0, ®map_config); + if (IS_ERR(info->map)) + return dev_err_probe(dev, PTR_ERR(info->map), + "Failed to create regmap\n"); dev_set_drvdata(dev, info->map); info->dev = dev; -- 2.25.1
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