From: Daniel Schultz <d.schultz@phytec.de>
To: barebox@lists.infradead.org
Subject: [PATCH v3 3/3] ARM: phytec-som-am335x: Add autoenable
Date: Fri, 3 Nov 2017 11:48:16 +0100 [thread overview]
Message-ID: <1509706096-41266-3-git-send-email-d.schultz@phytec.de> (raw)
In-Reply-To: <1509706096-41266-1-git-send-email-d.schultz@phytec.de>
Add autoenable for components, which can be populated on an AM335x
phyCORE SoM.
Signed-off-by: Daniel Schultz <d.schultz@phytec.de>
---
arch/arm/boards/phytec-som-am335x/Kconfig | 13 +++++++++++++
arch/arm/boards/phytec-som-am335x/board.c | 13 +++++++++++++
arch/arm/mach-omap/Kconfig | 2 ++
3 files changed, 28 insertions(+)
create mode 100644 arch/arm/boards/phytec-som-am335x/Kconfig
diff --git a/arch/arm/boards/phytec-som-am335x/Kconfig b/arch/arm/boards/phytec-som-am335x/Kconfig
new file mode 100644
index 0000000..52fa723
--- /dev/null
+++ b/arch/arm/boards/phytec-som-am335x/Kconfig
@@ -0,0 +1,13 @@
+
+if MACH_PHYTEC_SOM_AM335X
+
+config PHYTEC_SOM_AM335X_OF_AUTOENABLE
+ bool
+ prompt "Autoenable of components"
+ help
+ Say Y to unlock an API for automatically enable either hardware
+ components with existing device drivers or i2c clients. All functions
+ take a device tree path to find the hardware and will fix up the node
+ status in the kernel device tree, if it's accessible.
+
+endif
diff --git a/arch/arm/boards/phytec-som-am335x/board.c b/arch/arm/boards/phytec-som-am335x/board.c
index 9f74981..0e9bf5f 100644
--- a/arch/arm/boards/phytec-som-am335x/board.c
+++ b/arch/arm/boards/phytec-som-am335x/board.c
@@ -135,6 +135,19 @@ static int physom_devices_init(void)
}
}
+ if (IS_ENABLED(PHYTEC_SOM_AM335X_OF_AUTOENABLE)) {
+ /* Enable NAND */
+ of_autoenable_device_by_path("/ocp/gpmc@50000000");
+ /* Enable eMMC */
+ of_autoenable_device_by_path("/ocp/mmc@481d8000");
+ /* Enable SPI NOR */
+ of_autoenable_device_by_path("/ocp/spi@48030000/m25p80@0");
+
+ of_autoenable_i2c_by_component("/ocp/i2c@44e0b000/temp@4b");
+ of_autoenable_i2c_by_component("/ocp/i2c@44e0b000/eeprom@52");
+ of_autoenable_i2c_by_component("/ocp/i2c@44e0b000/rtc@68");
+ }
+
if (IS_ENABLED(CONFIG_SHELL_NONE))
return am33xx_of_register_bootdevice();
diff --git a/arch/arm/mach-omap/Kconfig b/arch/arm/mach-omap/Kconfig
index 9c41741..e8fc4b8 100644
--- a/arch/arm/mach-omap/Kconfig
+++ b/arch/arm/mach-omap/Kconfig
@@ -192,6 +192,8 @@ config MACH_VSCOM_BALTOS
endif
+source arch/arm/boards/phytec-som-am335x/Kconfig
+
choice
prompt "Select OMAP board"
depends on !OMAP_MULTI_BOARDS
--
2.7.4
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next prev parent reply other threads:[~2017-11-03 10:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-03 10:48 [PATCH v3 1/3] ARM: dts: AM335x: Add dummy i2c nodes Daniel Schultz
2017-11-03 10:48 ` [PATCH v3 2/3] common: oftree: Add autoenable functionality Daniel Schultz
2017-11-03 10:48 ` Daniel Schultz [this message]
2017-11-07 6:43 ` [PATCH v3 1/3] ARM: dts: AM335x: Add dummy i2c nodes Sascha Hauer
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