[PATCH v3 3/3] ARM: phytec-som-am335x: Add autoenable

[Daniel Schultz]

Add autoenable for components, which can be populated on an AM335x
phyCORE SoM.

Signed-off-by: Daniel Schultz <d.schultz at 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 at 50000000");
+		/* Enable eMMC */
+		of_autoenable_device_by_path("/ocp/mmc at 481d8000");
+		/* Enable SPI NOR */
+		of_autoenable_device_by_path("/ocp/spi at 48030000/m25p80 at 0");
+
+		of_autoenable_i2c_by_component("/ocp/i2c at 44e0b000/temp at 4b");
+		of_autoenable_i2c_by_component("/ocp/i2c at 44e0b000/eeprom at 52");
+		of_autoenable_i2c_by_component("/ocp/i2c at 44e0b000/rtc at 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