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-rw-r--r--arm64-pinctrl-bcm2835-Add-support-for-all-BCM2711-GPIOs.patch868
1 files changed, 0 insertions, 868 deletions
diff --git a/arm64-pinctrl-bcm2835-Add-support-for-all-BCM2711-GPIOs.patch b/arm64-pinctrl-bcm2835-Add-support-for-all-BCM2711-GPIOs.patch
deleted file mode 100644
index 87ef3d967..000000000
--- a/arm64-pinctrl-bcm2835-Add-support-for-all-BCM2711-GPIOs.patch
+++ /dev/null
@@ -1,868 +0,0 @@
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-From: Stefan Wahren <stefan.wahren@i2se.com>
-To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
- Florian Fainelli <f.fainelli@gmail.com>,
- Linus Walleij <linus.walleij@linaro.org>, Ray Jui <rjui@broadcom.com>,
- Scott Branden <sbranden@broadcom.com>
-Subject: [RFC PATCH 1/4] pinctrl: bcm2835: Drop unused define
-Date: Mon, 27 Jan 2020 19:15:05 +0100
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-
-There is no usage for this define, so drop it.
-
-Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
----
- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 3 ---
- 1 file changed, 3 deletions(-)
-
-diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-index 0de1a3a..3fc2638 100644
---- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-@@ -40,9 +40,6 @@
- #define BCM2835_NUM_BANKS 2
- #define BCM2835_NUM_IRQS 3
-
--#define BCM2835_PIN_BITMAP_SZ \
-- DIV_ROUND_UP(BCM2835_NUM_GPIOS, sizeof(unsigned long) * 8)
--
- /* GPIO register offsets */
- #define GPFSEL0 0x0 /* Function Select */
- #define GPSET0 0x1c /* Pin Output Set */
-
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-From: Stefan Wahren <stefan.wahren@i2se.com>
-To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
- Florian Fainelli <f.fainelli@gmail.com>,
- Linus Walleij <linus.walleij@linaro.org>, Ray Jui <rjui@broadcom.com>,
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-Subject: [RFC PATCH 2/4] pinctrl: bcm2835: Refactor platform data
-Date: Mon, 27 Jan 2020 19:15:06 +0100
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-
-This prepares the platform data to be easier to extend for more GPIOs.
-Except of this there is no functional change.
-
-Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
----
- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 57 +++++++++++++++++++++++++++--------
- 1 file changed, 44 insertions(+), 13 deletions(-)
-
-diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-index 3fc2638..ffd069a 100644
---- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-@@ -82,6 +82,7 @@ struct bcm2835_pinctrl {
-
- struct pinctrl_dev *pctl_dev;
- struct gpio_chip gpio_chip;
-+ struct pinctrl_desc pctl_desc;
- struct pinctrl_gpio_range gpio_range;
-
- raw_spinlock_t irq_lock[BCM2835_NUM_BANKS];
-@@ -1051,7 +1052,7 @@ static const struct pinconf_ops bcm2711_pinconf_ops = {
- .pin_config_set = bcm2711_pinconf_set,
- };
-
--static struct pinctrl_desc bcm2835_pinctrl_desc = {
-+static const struct pinctrl_desc bcm2835_pinctrl_desc = {
- .name = MODULE_NAME,
- .pins = bcm2835_gpio_pins,
- .npins = ARRAY_SIZE(bcm2835_gpio_pins),
-@@ -1061,19 +1062,47 @@ static struct pinctrl_desc bcm2835_pinctrl_desc = {
- .owner = THIS_MODULE,
- };
-
--static struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = {
-+static const struct pinctrl_desc bcm2711_pinctrl_desc = {
-+ .name = MODULE_NAME,
-+ .pins = bcm2835_gpio_pins,
-+ .npins = ARRAY_SIZE(bcm2835_gpio_pins),
-+ .pctlops = &bcm2835_pctl_ops,
-+ .pmxops = &bcm2835_pmx_ops,
-+ .confops = &bcm2711_pinconf_ops,
-+ .owner = THIS_MODULE,
-+};
-+
-+static const struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = {
- .name = MODULE_NAME,
- .npins = BCM2835_NUM_GPIOS,
- };
-
-+struct bcm_plat_data {
-+ const struct gpio_chip *gpio_chip;
-+ const struct pinctrl_desc *pctl_desc;
-+ const struct pinctrl_gpio_range *gpio_range;
-+};
-+
-+static const struct bcm_plat_data bcm2835_plat_data = {
-+ .gpio_chip = &bcm2835_gpio_chip,
-+ .pctl_desc = &bcm2835_pinctrl_desc,
-+ .gpio_range = &bcm2835_pinctrl_gpio_range,
-+};
-+
-+static const struct bcm_plat_data bcm2711_plat_data = {
-+ .gpio_chip = &bcm2835_gpio_chip,
-+ .pctl_desc = &bcm2711_pinctrl_desc,
-+ .gpio_range = &bcm2835_pinctrl_gpio_range,
-+};
-+
- static const struct of_device_id bcm2835_pinctrl_match[] = {
- {
- .compatible = "brcm,bcm2835-gpio",
-- .data = &bcm2835_pinconf_ops,
-+ .data = &bcm2835_plat_data,
- },
- {
- .compatible = "brcm,bcm2711-gpio",
-- .data = &bcm2711_pinconf_ops,
-+ .data = &bcm2711_plat_data,
- },
- {}
- };
-@@ -1083,6 +1112,7 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev)
- struct device *dev = &pdev->dev;
- struct device_node *np = dev->of_node;
- struct bcm2835_pinctrl *pc;
-+ struct bcm_plat_data *pdata;
- struct gpio_irq_chip *girq;
- struct resource iomem;
- int err, i;
-@@ -1108,7 +1138,13 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev)
- if (IS_ERR(pc->base))
- return PTR_ERR(pc->base);
-
-- pc->gpio_chip = bcm2835_gpio_chip;
-+ match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node);
-+ if (!match)
-+ return -EINVAL;
-+
-+ pdata = (struct bcm_plat_data *)match->data;
-+
-+ memcpy(&pc->gpio_chip, pdata->gpio_chip, sizeof(pc->gpio_chip));
- pc->gpio_chip.parent = dev;
- pc->gpio_chip.of_node = np;
-
-@@ -1159,19 +1195,14 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev)
- return err;
- }
-
-- match = of_match_node(bcm2835_pinctrl_match, pdev->dev.of_node);
-- if (match) {
-- bcm2835_pinctrl_desc.confops =
-- (const struct pinconf_ops *)match->data;
-- }
--
-- pc->pctl_dev = devm_pinctrl_register(dev, &bcm2835_pinctrl_desc, pc);
-+ memcpy(&pc->pctl_desc, pdata->pctl_desc, sizeof(pc->pctl_desc));
-+ pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc);
- if (IS_ERR(pc->pctl_dev)) {
- gpiochip_remove(&pc->gpio_chip);
- return PTR_ERR(pc->pctl_dev);
- }
-
-- pc->gpio_range = bcm2835_pinctrl_gpio_range;
-+ memcpy(&pc->gpio_range, pdata->gpio_range, sizeof(pc->gpio_range));
- pc->gpio_range.base = pc->gpio_chip.base;
- pc->gpio_range.gc = &pc->gpio_chip;
- pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range);
-
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-To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
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-Subject: [RFC PATCH 3/4] pinctrl: bcm2835: Add support for all GPIOs on
- BCM2711
-Date: Mon, 27 Jan 2020 19:15:07 +0100
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-
-The BCM2711 supports 58 GPIOs. So extend pinctrl and GPIOs accordingly.
-
-Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
----
- drivers/pinctrl/bcm/pinctrl-bcm2835.c | 54 +++++++++++++++++++++++++++--------
- 1 file changed, 42 insertions(+), 12 deletions(-)
-
-diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-index ffd069a..41e7bf9 100644
---- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
-@@ -37,6 +37,7 @@
-
- #define MODULE_NAME "pinctrl-bcm2835"
- #define BCM2835_NUM_GPIOS 54
-+#define BCM2711_NUM_GPIOS 58
- #define BCM2835_NUM_BANKS 2
- #define BCM2835_NUM_IRQS 3
-
-@@ -78,7 +79,7 @@ struct bcm2835_pinctrl {
-
- /* note: locking assumes each bank will have its own unsigned long */
- unsigned long enabled_irq_map[BCM2835_NUM_BANKS];
-- unsigned int irq_type[BCM2835_NUM_GPIOS];
-+ unsigned int irq_type[BCM2711_NUM_GPIOS];
-
- struct pinctrl_dev *pctl_dev;
- struct gpio_chip gpio_chip;
-@@ -145,6 +146,10 @@ static struct pinctrl_pin_desc bcm2835_gpio_pins[] = {
- BCM2835_GPIO_PIN(51),
- BCM2835_GPIO_PIN(52),
- BCM2835_GPIO_PIN(53),
-+ BCM2835_GPIO_PIN(54),
-+ BCM2835_GPIO_PIN(55),
-+ BCM2835_GPIO_PIN(56),
-+ BCM2835_GPIO_PIN(57),
- };
-
- /* one pin per group */
-@@ -203,6 +208,10 @@ static const char * const bcm2835_gpio_groups[] = {
- "gpio51",
- "gpio52",
- "gpio53",
-+ "gpio54",
-+ "gpio55",
-+ "gpio56",
-+ "gpio57",
- };
-
- enum bcm2835_fsel {
-@@ -353,6 +362,22 @@ static const struct gpio_chip bcm2835_gpio_chip = {
- .can_sleep = false,
- };
-
-+static const struct gpio_chip bcm2711_gpio_chip = {
-+ .label = "pinctrl-bcm2711",
-+ .owner = THIS_MODULE,
-+ .request = gpiochip_generic_request,
-+ .free = gpiochip_generic_free,
-+ .direction_input = bcm2835_gpio_direction_input,
-+ .direction_output = bcm2835_gpio_direction_output,
-+ .get_direction = bcm2835_gpio_get_direction,
-+ .get = bcm2835_gpio_get,
-+ .set = bcm2835_gpio_set,
-+ .set_config = gpiochip_generic_config,
-+ .base = -1,
-+ .ngpio = BCM2711_NUM_GPIOS,
-+ .can_sleep = false,
-+};
-+
- static void bcm2835_gpio_irq_handle_bank(struct bcm2835_pinctrl *pc,
- unsigned int bank, u32 mask)
- {
-@@ -399,7 +424,7 @@ static void bcm2835_gpio_irq_handler(struct irq_desc *desc)
- bcm2835_gpio_irq_handle_bank(pc, 0, 0xf0000000);
- bcm2835_gpio_irq_handle_bank(pc, 1, 0x00003fff);
- break;
-- case 2: /* IRQ2 covers GPIOs 46-53 */
-+ case 2: /* IRQ2 covers GPIOs 46-57 */
- bcm2835_gpio_irq_handle_bank(pc, 1, 0x003fc000);
- break;
- }
-@@ -618,7 +643,7 @@ static struct irq_chip bcm2835_gpio_irq_chip = {
-
- static int bcm2835_pctl_get_groups_count(struct pinctrl_dev *pctldev)
- {
-- return ARRAY_SIZE(bcm2835_gpio_groups);
-+ return BCM2835_NUM_GPIOS;
- }
-
- static const char *bcm2835_pctl_get_group_name(struct pinctrl_dev *pctldev,
-@@ -776,7 +801,7 @@ static int bcm2835_pctl_dt_node_to_map(struct pinctrl_dev *pctldev,
- err = of_property_read_u32_index(np, "brcm,pins", i, &pin);
- if (err)
- goto out;
-- if (pin >= ARRAY_SIZE(bcm2835_gpio_pins)) {
-+ if (pin >= pc->pctl_desc.npins) {
- dev_err(pc->dev, "%pOF: invalid brcm,pins value %d\n",
- np, pin);
- err = -EINVAL;
-@@ -852,7 +877,7 @@ static int bcm2835_pmx_get_function_groups(struct pinctrl_dev *pctldev,
- {
- /* every pin can do every function */
- *groups = bcm2835_gpio_groups;
-- *num_groups = ARRAY_SIZE(bcm2835_gpio_groups);
-+ *num_groups = BCM2835_NUM_GPIOS;
-
- return 0;
- }
-@@ -1055,7 +1080,7 @@ static const struct pinconf_ops bcm2711_pinconf_ops = {
- static const struct pinctrl_desc bcm2835_pinctrl_desc = {
- .name = MODULE_NAME,
- .pins = bcm2835_gpio_pins,
-- .npins = ARRAY_SIZE(bcm2835_gpio_pins),
-+ .npins = BCM2835_NUM_GPIOS,
- .pctlops = &bcm2835_pctl_ops,
- .pmxops = &bcm2835_pmx_ops,
- .confops = &bcm2835_pinconf_ops,
-@@ -1063,9 +1088,9 @@ static const struct pinctrl_desc bcm2835_pinctrl_desc = {
- };
-
- static const struct pinctrl_desc bcm2711_pinctrl_desc = {
-- .name = MODULE_NAME,
-+ .name = "pinctrl-bcm2711",
- .pins = bcm2835_gpio_pins,
-- .npins = ARRAY_SIZE(bcm2835_gpio_pins),
-+ .npins = BCM2711_NUM_GPIOS,
- .pctlops = &bcm2835_pctl_ops,
- .pmxops = &bcm2835_pmx_ops,
- .confops = &bcm2711_pinconf_ops,
-@@ -1077,6 +1102,11 @@ static const struct pinctrl_gpio_range bcm2835_pinctrl_gpio_range = {
- .npins = BCM2835_NUM_GPIOS,
- };
-
-+static const struct pinctrl_gpio_range bcm2711_pinctrl_gpio_range = {
-+ .name = "pinctrl-bcm2711",
-+ .npins = BCM2711_NUM_GPIOS,
-+};
-+
- struct bcm_plat_data {
- const struct gpio_chip *gpio_chip;
- const struct pinctrl_desc *pctl_desc;
-@@ -1090,9 +1120,9 @@ static const struct bcm_plat_data bcm2835_plat_data = {
- };
-
- static const struct bcm_plat_data bcm2711_plat_data = {
-- .gpio_chip = &bcm2835_gpio_chip,
-+ .gpio_chip = &bcm2711_gpio_chip,
- .pctl_desc = &bcm2711_pinctrl_desc,
-- .gpio_range = &bcm2835_pinctrl_gpio_range,
-+ .gpio_range = &bcm2711_pinctrl_gpio_range,
- };
-
- static const struct of_device_id bcm2835_pinctrl_match[] = {
-@@ -1118,8 +1148,8 @@ static int bcm2835_pinctrl_probe(struct platform_device *pdev)
- int err, i;
- const struct of_device_id *match;
-
-- BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_pins) != BCM2835_NUM_GPIOS);
-- BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_groups) != BCM2835_NUM_GPIOS);
-+ BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_pins) != BCM2711_NUM_GPIOS);
-+ BUILD_BUG_ON(ARRAY_SIZE(bcm2835_gpio_groups) != BCM2711_NUM_GPIOS);
-
- pc = devm_kzalloc(dev, sizeof(*pc), GFP_KERNEL);
- if (!pc)
-
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-From: Stefan Wahren <stefan.wahren@i2se.com>
-To: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
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-Subject: [RFC PATCH 4/4] ARM: dts: bcm2711-rpi-4-b: Add SoC GPIO labels
-Date: Mon, 27 Jan 2020 19:15:08 +0100
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-Cc: Stefan Wahren <stefan.wahren@i2se.com>, linux-gpio@vger.kernel.org,
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-
-This adds the labels for all the SoC GPIOs on the Raspberry Pi 4.
-
-Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
----
- arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 74 +++++++++++++++++++++++++++++++++++
- 1 file changed, 74 insertions(+)
-
-diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
-index 1b5a835..6607e2e 100644
---- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
-+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
-@@ -71,6 +71,80 @@
- };
- };
-
-+&gpio {
-+ /*
-+ * Parts taken from rpi_SCH_4b_4p0_reduced.pdf and
-+ * the official GPU firmware DT blob.
-+ *
-+ * Legend:
-+ * "NC" = not connected (no rail from the SoC)
-+ * "FOO" = GPIO line named "FOO" on the schematic
-+ * "FOO_N" = GPIO line named "FOO" on schematic, active low
-+ */
-+ gpio-line-names = "ID_SDA",
-+ "ID_SCL",
-+ "SDA1",
-+ "SCL1",
-+ "GPIO_GCLK",
-+ "GPIO5",
-+ "GPIO6",
-+ "SPI_CE1_N",
-+ "SPI_CE0_N",
-+ "SPI_MISO",
-+ "SPI_MOSI",
-+ "SPI_SCLK",
-+ "GPIO12",
-+ "GPIO13",
-+ /* Serial port */
-+ "TXD1",
-+ "RXD1",
-+ "GPIO16",
-+ "GPIO17",
-+ "GPIO18",
-+ "GPIO19",
-+ "GPIO20",
-+ "GPIO21",
-+ "GPIO22",
-+ "GPIO23",
-+ "GPIO24",
-+ "GPIO25",
-+ "GPIO26",
-+ "GPIO27",
-+ "RGMII_MDIO",
-+ "RGMIO_MDC",
-+ /* Used by BT module */
-+ "CTS0",
-+ "RTS0",
-+ "TXD0",
-+ "RXD0",
-+ /* Used by Wifi */
-+ "SD1_CLK",
-+ "SD1_CMD",
-+ "SD1_DATA0",
-+ "SD1_DATA1",
-+ "SD1_DATA2",
-+ "SD1_DATA3",
-+ /* Shared with SPI flash */
-+ "PWM0_MISO",
-+ "PWM1_MOSI",
-+ "STATUS_LED_G_CLK",
-+ "SPIFLASH_CE_N",
-+ "SDA0",
-+ "SCL0",
-+ "RGMII_RXCLK",
-+ "RGMII_RXCTL",
-+ "RGMII_RXD0",
-+ "RGMII_RXD1",
-+ "RGMII_RXD2",
-+ "RGMII_RXD3",
-+ "RGMII_TXCLK",
-+ "RGMII_TXCTL",
-+ "RGMII_TXD0",
-+ "RGMII_TXD1",
-+ "RGMII_TXD2",
-+ "RGMII_TXD3";
-+};
-+
- &pwm1 {
- pinctrl-names = "default";
- pinctrl-0 = <&pwm1_0_gpio40 &pwm1_1_gpio41>;