diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
tree | 76267dbc9b9a130337be3640948fe397b04ac629 /drivers/gpio/gpio-vf610.c | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpio/gpio-vf610.c')
-rw-r--r-- | drivers/gpio/gpio-vf610.c | 60 |
1 files changed, 48 insertions, 12 deletions
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 656d6b1ddd..07e5e6323e 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -25,6 +25,7 @@ struct fsl_gpio_soc_data { /* SoCs has a Port Data Direction Register (PDDR) */ bool have_paddr; + bool have_dual_base; }; struct vf610_gpio_port { @@ -60,13 +61,26 @@ struct vf610_gpio_port { #define PORT_INT_EITHER_EDGE 0xb #define PORT_INT_LOGIC_ONE 0xc +#define IMX8ULP_GPIO_BASE_OFF 0x40 +#define IMX8ULP_BASE_OFF 0x80 + +static const struct fsl_gpio_soc_data vf610_data = { + .have_dual_base = true, +}; + static const struct fsl_gpio_soc_data imx_data = { .have_paddr = true, + .have_dual_base = true, +}; + +static const struct fsl_gpio_soc_data imx8ulp_data = { + .have_paddr = true, }; static const struct of_device_id vf610_gpio_dt_ids[] = { - { .compatible = "fsl,vf610-gpio", .data = NULL, }, + { .compatible = "fsl,vf610-gpio", .data = &vf610_data }, { .compatible = "fsl,imx7ulp-gpio", .data = &imx_data, }, + { .compatible = "fsl,imx8ulp-gpio", .data = &imx8ulp_data, }, { /* sentinel */ } }; @@ -86,7 +100,7 @@ static int vf610_gpio_get(struct gpio_chip *gc, unsigned int gpio) unsigned long mask = BIT(gpio); unsigned long offset = GPIO_PDIR; - if (port->sdata && port->sdata->have_paddr) { + if (port->sdata->have_paddr) { mask &= vf610_gpio_readl(port->gpio_base + GPIO_PDDR); if (mask) offset = GPIO_PDOR; @@ -110,13 +124,13 @@ static int vf610_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) unsigned long mask = BIT(gpio); u32 val; - if (port->sdata && port->sdata->have_paddr) { + if (port->sdata->have_paddr) { val = vf610_gpio_readl(port->gpio_base + GPIO_PDDR); val &= ~mask; vf610_gpio_writel(val, port->gpio_base + GPIO_PDDR); } - return pinctrl_gpio_direction_input(chip->base + gpio); + return pinctrl_gpio_direction_input(chip, gpio); } static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, @@ -128,13 +142,13 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, vf610_gpio_set(chip, gpio, value); - if (port->sdata && port->sdata->have_paddr) { + if (port->sdata->have_paddr) { val = vf610_gpio_readl(port->gpio_base + GPIO_PDDR); val |= mask; vf610_gpio_writel(val, port->gpio_base + GPIO_PDDR); } - return pinctrl_gpio_direction_output(chip->base + gpio); + return pinctrl_gpio_direction_output(chip, gpio); } static void vf610_gpio_irq_handler(struct irq_desc *desc) @@ -264,19 +278,41 @@ static int vf610_gpio_probe(struct platform_device *pdev) struct gpio_irq_chip *girq; int i; int ret; + bool dual_base; port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL); if (!port) return -ENOMEM; port->sdata = of_device_get_match_data(dev); - port->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(port->base)) - return PTR_ERR(port->base); - port->gpio_base = devm_platform_ioremap_resource(pdev, 1); - if (IS_ERR(port->gpio_base)) - return PTR_ERR(port->gpio_base); + dual_base = port->sdata->have_dual_base; + + /* + * Handle legacy compatible combinations which used two reg values + * for the i.MX8ULP and i.MX93. + */ + if (device_is_compatible(dev, "fsl,imx7ulp-gpio") && + (device_is_compatible(dev, "fsl,imx93-gpio") || + (device_is_compatible(dev, "fsl,imx8ulp-gpio")))) + dual_base = true; + + if (dual_base) { + port->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(port->base)) + return PTR_ERR(port->base); + + port->gpio_base = devm_platform_ioremap_resource(pdev, 1); + if (IS_ERR(port->gpio_base)) + return PTR_ERR(port->gpio_base); + } else { + port->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(port->base)) + return PTR_ERR(port->base); + + port->gpio_base = port->base + IMX8ULP_GPIO_BASE_OFF; + port->base = port->base + IMX8ULP_BASE_OFF; + } port->irq = platform_get_irq(pdev, 0); if (port->irq < 0) |