From 31c23a1d9ad93cf6795d1fc72f9a254d5bcfc81b Mon Sep 17 00:00:00 2001 From: Phil Elwell Date: Wed, 16 Sep 2015 17:28:41 +0100 Subject: [PATCH 191/203] BCM270X_DT: Document SMI overlay --- arch/arm/boot/dts/overlays/Makefile | 6 +++--- arch/arm/boot/dts/overlays/README | 18 ++++++++++++++++++ 2 files changed, 21 insertions(+), 3 deletions(-) --- a/arch/arm/boot/dts/overlays/Makefile +++ b/arch/arm/boot/dts/overlays/Makefile @@ -13,9 +13,6 @@ ifeq ($(CONFIG_ARCH_BCM2835),y) endif dtb-$(RPI_DT_OVERLAYS) += ads7846-overlay.dtb -dtb-$(RPI_DT_OVERLAYS) += smi-overlay.dtb -dtb-$(RPI_DT_OVERLAYS) += smi-dev-overlay.dtb -dtb-$(RPI_DT_OVERLAYS) += smi-nand-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb @@ -48,6 +45,9 @@ dtb-$(RPI_DT_OVERLAYS) += rpi-proto-over dtb-$(RPI_DT_OVERLAYS) += rpi-sense-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += sdhost-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += sdio-overlay.dtb +dtb-$(RPI_DT_OVERLAYS) += smi-dev-overlay.dtb +dtb-$(RPI_DT_OVERLAYS) += smi-nand-overlay.dtb +dtb-$(RPI_DT_OVERLAYS) += smi-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += spi-bcm2708-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += spi-bcm2835-overlay.dtb dtb-$(RPI_DT_OVERLAYS) += spi-dma-overlay.dtb --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -530,6 +530,24 @@ Params: overclock_50 Clock ( debug Enable debug output (default off) +Name: smi +Info: Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25! +Load: dtoverlay=smi +Params: + + +Name: smi-dev +Info: Enables the userspace interface for the SMI driver +Load: dtoverlay=smi-dev +Params: + + +Name: smi-nand +Info: Enables access to NAND flash via the SMI interface +Load: dtoverlay=smi-nand +Params: + + Name: spi-bcm2708 Info: Selects the bcm2708-spi SPI driver Load: dtoverlay=spi-bcm2708