65 lines
1.7 KiB
Diff
65 lines
1.7 KiB
Diff
From 09f3918f91f6dfd5bbf20bb04f9518187d79b445 Mon Sep 17 00:00:00 2001
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From: Philippe Gerum <rpm@xenomai.org>
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Date: Sat, 4 Jan 2020 13:22:59 +0100
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Subject: [PATCH] frdm_k64f: enable EVL latency monitor
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Use GPIO24 for issuing the pulse signal to the device under test,
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GPIO25 for receiving the acknowledge.
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---
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boards/arm/frdm_k64f/frdm_k64f.dts | 10 ++++++++++
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boards/arm/frdm_k64f/pinmux.c | 3 +++
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2 files changed, 13 insertions(+)
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diff --git a/boards/arm/frdm_k64f/frdm_k64f.dts b/boards/arm/frdm_k64f/frdm_k64f.dts
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index 432482db6c..8e67a25dc8 100644
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--- a/boards/arm/frdm_k64f/frdm_k64f.dts
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+++ b/boards/arm/frdm_k64f/frdm_k64f.dts
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@@ -37,6 +37,8 @@
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sw1 = &user_button_2;
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eth = ð
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can-0 = &can0;
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+ latmon-pulse = &pulse_gpio;
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+ latmon-ack = &ack_gpio;
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};
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chosen {
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@@ -62,6 +64,10 @@
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gpios = <&gpiob 21 0>;
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label = "User LD3";
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};
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+ pulse_gpio: latmon_out {
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+ gpios = <&gpioe 24 0>;
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+ label = "Latmon pulse";
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+ };
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};
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gpio_keys {
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@@ -74,6 +80,10 @@
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label = "User SW3";
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gpios = <&gpioa 4 (GPIO_INT_ACTIVE_LOW | GPIO_PUD_PULL_UP)>;
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};
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+ ack_gpio: latmon_in {
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+ gpios = <&gpioe 25 GPIO_INT_ACTIVE_HIGH>;
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+ label = "Latmon ACK";
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+ };
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};
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arduino_header: connector {
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diff --git a/boards/arm/frdm_k64f/pinmux.c b/boards/arm/frdm_k64f/pinmux.c
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index 35f3c9e44c..f1c341fe9e 100644
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--- a/boards/arm/frdm_k64f/pinmux.c
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+++ b/boards/arm/frdm_k64f/pinmux.c
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@@ -115,6 +115,9 @@ static int frdm_k64f_pinmux_init(struct device *dev)
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| PORT_PCR_ODE_MASK);
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pinmux_pin_set(porte, 25, PORT_PCR_MUX(kPORT_MuxAlt5)
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| PORT_PCR_ODE_MASK);
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+#else
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+ pinmux_pin_set(porte, 24, PORT_PCR_MUX(kPORT_MuxAsGpio));
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+ pinmux_pin_set(porte, 25, PORT_PCR_MUX(kPORT_MuxAsGpio));
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#endif
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#if CONFIG_ADC_1
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--
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2.24.1
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