diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/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-common/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch b/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch deleted file mode 100644 index 1ee1c68de..000000000 --- a/meta-openbmc-mods/meta-common/recipes-kernel/linux/linux-aspeed/0003-Enable-GPIOE0-and-GPIOE2-pass-through-by-default.patch +++ /dev/null @@ -1,70 +0,0 @@ -From b34fdedc21c98db698150d5014e12927a017b07f 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-ast2500.dts | 4 ++++ - drivers/gpio/gpio-aspeed.c | 10 ++++++++++ - 2 files changed, 14 insertions(+) - -diff --git a/arch/arm/boot/dts/aspeed-bmc-intel-ast2500.dts b/arch/arm/boot/dts/aspeed-bmc-intel-ast2500.dts -index 72bb1b3..ea1d9cd3 100644 ---- a/arch/arm/boot/dts/aspeed-bmc-intel-ast2500.dts -+++ b/arch/arm/boot/dts/aspeed-bmc-intel-ast2500.dts -@@ -134,6 +134,10 @@ - - &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*/ "FM_BMC_BOARD_SKU_ID0_N","FM_BMC_BOARD_SKU_ID1_N","FM_BMC_BOARD_SKU_ID2_N","FM_BMC_BOARD_SKU_ID3_N","FM_BMC_BOARD_SKU_ID4_N","","","", -diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c -index 09e53c5..6165b44 100644 ---- a/drivers/gpio/gpio-aspeed.c -+++ b/drivers/gpio/gpio-aspeed.c -@@ -1140,6 +1140,7 @@ 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, err; - u32 ngpio; - -@@ -1190,6 +1191,15 @@ 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 marked as pass-through. 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 (!IS_ERR(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 - |