diff options
Diffstat (limited to 'meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch b/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch deleted file mode 100644 index c38134b8c..000000000 --- a/meta-openbmc-mods/meta-ast2500/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch +++ /dev/null @@ -1,70 +0,0 @@ -From 7513371d16158cb638dd97e81b402bbef7ed3156 Mon Sep 17 00:00:00 2001 -From: "Jason M. Bills" <jason.m.bills@linux.intel.com> -Date: Mon, 6 May 2019 14:18:27 -0700 -Subject: [PATCH] Enable GPIOE0 and GPIOE2 pass-through by default - -This change sets the gpio DT pinctrl default configuration to -enable GPIOE0 and GPIOE2 pass-through. Since this causes -pinctrl_get_select_default() to be called automatically for -the gpio driver to claim the GPIO pins in those groups, we -also need to call pinctrl_put() to release claim on the -pass-through GPIOs so they can be requested at runtime. - -Tested: -Disabled pass-through in uboot and confirmed that after booting -Linux, pass-through is enabled and 'cat /sys/kernel/debug/pinctrl/ -1e6e2000.syscon\:pinctrl-aspeed-g5-pinctrl/pinmux-pins' shows that -the pass-through GPIOs are UNCLAIMED. - -Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com> ---- - arch/arm/boot/dts/aspeed-bmc-intel-purley.dts | 4 ++++ - drivers/gpio/gpio-aspeed.c | 10 ++++++++++ - 2 files changed, 14 insertions(+) - -diff --git a/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts -index b049f816bf67..4815104459f1 100644 ---- a/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts -+++ b/arch/arm/boot/dts/aspeed-bmc-intel-purley.dts -@@ -116,6 +116,10 @@ - - &gpio { - status = "okay"; -+ /* Enable GPIOE0 and GPIOE2 pass-through by default */ -+ pinctrl-names = "pass-through"; -+ pinctrl-0 = <&pinctrl_gpie0_default -+ &pinctrl_gpie2_default>; - gpio-line-names = - /*A0-A7*/ "","","","","","","","", - /*B0-B7*/ "","","","","","","","", -diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c -index 13d80bfbc3b6..e426452a28f7 100644 ---- a/drivers/gpio/gpio-aspeed.c -+++ b/drivers/gpio/gpio-aspeed.c -@@ -1152,6 +1152,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) - { - const struct of_device_id *gpio_id; - struct aspeed_gpio *gpio; -+ struct pinctrl *pinctrl; - int rc, i, banks; - - gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL); -@@ -1199,6 +1200,15 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) - return -ENOMEM; - - /* -+ * Select the pass-through pinctrl config to enable the pass-through -+ * mux for GPIOs E0 and E2. Then call pinctrl_put() to release claim -+ * of the GPIO pins, so they can be requested at runtime. -+ */ -+ pinctrl = pinctrl_get_select(&pdev->dev, "pass-through"); -+ if (pinctrl) -+ pinctrl_put(pinctrl); -+ -+ /* - * Populate it with initial values read from the HW and switch - * all command sources to the ARM by default - */ --- -2.7.4 - |