From: Colin Foster <colin.foster@in-advantage.com> To: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Terry Bowman <terry.bowman@amd.com>, Vladimir Oltean <vladimir.oltean@nxp.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Andy Shevchenko <andy.shevchenko@gmail.com>, Dan Williams <dan.j.williams@intel.com>, Jonathan Cameron <Jonathan.Cameron@huawei.com>, UNGLinuxDriver@microchip.com, Steen Hegelund <Steen.Hegelund@microchip.com>, Lars Povlsen <lars.povlsen@microchip.com>, Linus Walleij <linus.walleij@linaro.org>, Paolo Abeni <pabeni@redhat.com>, Jakub Kicinski <kuba@kernel.org>, Eric Dumazet <edumazet@google.com>, "David S. Miller" <davem@davemloft.net>, Russell King <linux@armlinux.org.uk>, Heiner Kallweit <hkallweit1@gmail.com>, Andrew Lunn <andrew@lunn.ch>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Rob Herring <robh+dt@kernel.org>, Lee Jones <lee@kernel.org>, katie.morris@in-advantage.com Subject: [RESEND PATCH v16 mfd 5/8] pinctrl: microchip-sgpio: add ability to be used in a non-mmio configuration Date: Mon, 5 Sep 2022 09:21:29 -0700 [thread overview] Message-ID: <20220905162132.2943088-6-colin.foster@in-advantage.com> (raw) In-Reply-To: <20220905162132.2943088-1-colin.foster@in-advantage.com> 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(-) 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
WARNING: multiple messages have this Message-ID (diff)
From: Colin Foster <colin.foster@in-advantage.com> To: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Terry Bowman <terry.bowman@amd.com>, Vladimir Oltean <vladimir.oltean@nxp.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Andy Shevchenko <andy.shevchenko@gmail.com>, Dan Williams <dan.j.williams@intel.com>, Jonathan Cameron <Jonathan.Cameron@huawei.com>, UNGLinuxDriver@microchip.com, Steen Hegelund <Steen.Hegelund@microchip.com>, Lars Povlsen <lars.povlsen@microchip.com>, Linus Walleij <linus.walleij@linaro.org>, Paolo Abeni <pabeni@redhat.com>, Jakub Kicinski <kuba@kernel.org>, Eric Dumazet <edumazet@google.com>, "David S. Miller" <davem@davemloft.net>, Russell King <linux@armlinux.org.uk>, Heiner Kallweit <hkallweit1@gmail.com>, Andrew Lunn <andrew@lunn.ch>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Rob Herring <robh+dt@kernel.org>, Lee Jones <lee@kernel.org>, katie.morris@in-advantage.com Subject: [RESEND PATCH v16 mfd 5/8] pinctrl: microchip-sgpio: add ability to be used in a non-mmio configuration Date: Mon, 5 Sep 2022 09:21:29 -0700 [thread overview] Message-ID: <20220905162132.2943088-6-colin.foster@in-advantage.com> (raw) In-Reply-To: <20220905162132.2943088-1-colin.foster@in-advantage.com> 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(-) 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-09-05 16:22 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-05 16:21 [RESEND PATCH v16 mfd 0/8] add support for VSC7512 control over SPI Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 1/8] mfd: ocelot: add helper to get regmap from a resource Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-08 9:40 ` Lee Jones 2022-09-08 9:40 ` Lee Jones 2022-09-08 14:22 ` Vladimir Oltean 2022-09-08 14:22 ` Vladimir Oltean 2022-09-08 15:04 ` Colin Foster 2022-09-08 15:04 ` Colin Foster 2022-09-09 7:21 ` Lee Jones 2022-09-09 7:21 ` Lee Jones 2022-09-19 17:14 ` Jakub Kicinski 2022-09-19 17:14 ` Jakub Kicinski 2022-09-19 19:05 ` Colin Foster 2022-09-19 19:05 ` Colin Foster 2022-09-08 15:08 ` Colin Foster 2022-09-08 15:08 ` Colin Foster 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 2/8] net: mdio: mscc-miim: add ability to be used in a non-mmio configuration Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-08 9:41 ` Lee Jones 2022-09-08 9:41 ` Lee Jones 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 3/8] pinctrl: ocelot: " Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-08 9:41 ` Lee Jones 2022-09-08 9:41 ` Lee Jones 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 4/8] pinctrl: microchip-sgpio: allow sgpio driver to be used as a module Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-08 9:42 ` Lee Jones 2022-09-08 9:42 ` Lee Jones 2022-09-05 16:21 ` Colin Foster [this message] 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 5/8] pinctrl: microchip-sgpio: add ability to be used in a non-mmio configuration Colin Foster 2022-09-08 9:42 ` Lee Jones 2022-09-08 9:42 ` Lee Jones 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 6/8] resource: add define macro for register address resources Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-08 9:43 ` Lee Jones 2022-09-08 9:43 ` Lee Jones 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 7/8] dt-bindings: mfd: ocelot: add bindings for VSC7512 Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-08 9:43 ` Lee Jones 2022-09-08 9:43 ` Lee Jones 2022-10-09 15:38 ` Krzysztof Kozlowski 2022-10-09 15:38 ` Krzysztof Kozlowski 2022-09-05 16:21 ` [RESEND PATCH v16 mfd 8/8] mfd: ocelot: add support for the vsc7512 chip via spi Colin Foster 2022-09-05 16:21 ` Colin Foster 2022-09-08 9:44 ` Lee Jones 2022-09-08 9:44 ` Lee Jones 2022-09-09 6:57 ` [GIT PULL] Immutable branch between MFD, Net and Pinctrl due for the v6.0 merge window Lee Jones 2022-09-09 6:57 ` Lee Jones
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