diff options
Diffstat (limited to 'target/linux/bcm53xx/patches-4.19/081-v4.21-0001-pinctrl-bcm-ns-support-updated-DT-binding-as-syscon-.patch')
| -rw-r--r-- | target/linux/bcm53xx/patches-4.19/081-v4.21-0001-pinctrl-bcm-ns-support-updated-DT-binding-as-syscon-.patch | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/target/linux/bcm53xx/patches-4.19/081-v4.21-0001-pinctrl-bcm-ns-support-updated-DT-binding-as-syscon-.patch b/target/linux/bcm53xx/patches-4.19/081-v4.21-0001-pinctrl-bcm-ns-support-updated-DT-binding-as-syscon-.patch deleted file mode 100644 index 45595bddc9..0000000000 --- a/target/linux/bcm53xx/patches-4.19/081-v4.21-0001-pinctrl-bcm-ns-support-updated-DT-binding-as-syscon-.patch +++ /dev/null @@ -1,99 +0,0 @@ -From a49d784d5a8272d0f63c448fe8dc69e589db006e Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Tue, 18 Dec 2018 16:58:08 +0100 -Subject: [PATCH] pinctrl: bcm: ns: support updated DT binding as syscon - subnode -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Documentation has been recently updated specifying that pinctrl should -be subnode of the CRU "syscon". Support that by using parent node for -regmap and reading "offset" property from the DT. - -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> -Signed-off-by: Linus Walleij <linus.walleij@linaro.org> ---- - drivers/pinctrl/bcm/pinctrl-ns.c | 29 +++++++++++++++++++---------- - 1 file changed, 19 insertions(+), 10 deletions(-) - ---- a/drivers/pinctrl/bcm/pinctrl-ns.c -+++ b/drivers/pinctrl/bcm/pinctrl-ns.c -@@ -5,6 +5,7 @@ - - #include <linux/err.h> - #include <linux/io.h> -+#include <linux/mfd/syscon.h> - #include <linux/module.h> - #include <linux/of.h> - #include <linux/of_device.h> -@@ -12,6 +13,7 @@ - #include <linux/pinctrl/pinctrl.h> - #include <linux/pinctrl/pinmux.h> - #include <linux/platform_device.h> -+#include <linux/regmap.h> - #include <linux/slab.h> - - #define FLAG_BCM4708 BIT(1) -@@ -22,7 +24,8 @@ struct ns_pinctrl { - struct device *dev; - unsigned int chipset_flag; - struct pinctrl_dev *pctldev; -- void __iomem *base; -+ struct regmap *regmap; -+ u32 offset; - - struct pinctrl_desc pctldesc; - struct ns_pinctrl_group *groups; -@@ -229,9 +232,9 @@ static int ns_pinctrl_set_mux(struct pin - unset |= BIT(pin_number); - } - -- tmp = readl(ns_pinctrl->base); -+ regmap_read(ns_pinctrl->regmap, ns_pinctrl->offset, &tmp); - tmp &= ~unset; -- writel(tmp, ns_pinctrl->base); -+ regmap_write(ns_pinctrl->regmap, ns_pinctrl->offset, tmp); - - return 0; - } -@@ -263,13 +266,13 @@ static const struct of_device_id ns_pinc - static int ns_pinctrl_probe(struct platform_device *pdev) - { - struct device *dev = &pdev->dev; -+ struct device_node *np = dev->of_node; - const struct of_device_id *of_id; - struct ns_pinctrl *ns_pinctrl; - struct pinctrl_desc *pctldesc; - struct pinctrl_pin_desc *pin; - struct ns_pinctrl_group *group; - struct ns_pinctrl_function *function; -- struct resource *res; - int i; - - ns_pinctrl = devm_kzalloc(dev, sizeof(*ns_pinctrl), GFP_KERNEL); -@@ -287,12 +290,18 @@ static int ns_pinctrl_probe(struct platf - return -EINVAL; - ns_pinctrl->chipset_flag = (uintptr_t)of_id->data; - -- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, -- "cru_gpio_control"); -- ns_pinctrl->base = devm_ioremap_resource(dev, res); -- if (IS_ERR(ns_pinctrl->base)) { -- dev_err(dev, "Failed to map pinctrl regs\n"); -- return PTR_ERR(ns_pinctrl->base); -+ ns_pinctrl->regmap = syscon_node_to_regmap(of_get_parent(np)); -+ if (IS_ERR(ns_pinctrl->regmap)) { -+ int err = PTR_ERR(ns_pinctrl->regmap); -+ -+ dev_err(dev, "Failed to map pinctrl regs: %d\n", err); -+ -+ return err; -+ } -+ -+ if (of_property_read_u32(np, "offset", &ns_pinctrl->offset)) { -+ dev_err(dev, "Failed to get register offset\n"); -+ return -ENOENT; - } - - memcpy(pctldesc, &ns_pinctrl_desc, sizeof(*pctldesc)); |