[PATCH 1/3] ARM: mx28evk: Add SPI flash support

[PATCH 1/3] ARM: mx28evk: Add SPI flash support

[Fabio Estevam]

mx28evk has a free slot (J89) which can be used to populate an SPI NOR Flash.

Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 arch/arm/boot/dts/imx28-evk.dts |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index ab78ee5..8a9a2f4 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -46,6 +46,23 @@
 				wp-gpios = <&gpio0 28 0>;
 			};
 
+			ssp2: ssp at 80014000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx28-spi";
+				pinctrl-names = "default";
+				pinctrl-0 = <&spi2_pins_a>;
+				status = "okay";
+
+				flash: m25p80 at 0 {
+					#address-cells = <1>;
+					#size-cells = <1>;
+					compatible = "sst,sst25vf016b";
+					spi-max-frequency = <40000000>;
+					reg = <0>;
+				};
+			};
+
 			pinctrl at 80018000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&hog_pins_a>;
-- 
1.7.9.5

[PATCH 2/3] ARM: mx28evk: Add LRADC support

[Fabio Estevam]

Add LRADC support.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 arch/arm/boot/dts/imx28-evk.dts |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/imx28-evk.dts b/arch/arm/boot/dts/imx28-evk.dts
index 8a9a2f4..ed92d61 100644
--- a/arch/arm/boot/dts/imx28-evk.dts
+++ b/arch/arm/boot/dts/imx28-evk.dts
@@ -145,6 +145,10 @@
 				status = "okay";
 			};
 
+			lradc at 80050000 {
+				status = "okay";
+			};
+
 			i2c0: i2c at 80058000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&i2c0_pins_a>;
-- 
1.7.9.5

[PATCH 3/3] ARM: mxs_defconfig: Add SPI and LRADC support

[Fabio Estevam]

Add SPI and LRADC support.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
 arch/arm/configs/mxs_defconfig |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/configs/mxs_defconfig b/arch/arm/configs/mxs_defconfig
index 36d60dd..d2910f9 100644
--- a/arch/arm/configs/mxs_defconfig
+++ b/arch/arm/configs/mxs_defconfig
@@ -53,6 +53,9 @@ CONFIG_DEVTMPFS=y
 # CONFIG_FIRMWARE_IN_KERNEL is not set
 # CONFIG_BLK_DEV is not set
 CONFIG_MTD=y
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_DATAFLASH=y
+CONFIG_MTD_M25P80
 CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_GPMI_NAND=y
 CONFIG_NETDEVICES=y
@@ -82,6 +85,7 @@ CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_MXS=y
 CONFIG_SPI=y
 CONFIG_SPI_GPIO=m
+CONFIG_SPI_MXS=y
 CONFIG_DEBUG_GPIO=y
 CONFIG_GPIO_SYSFS=y
 # CONFIG_HWMON is not set
@@ -110,7 +114,11 @@ CONFIG_RTC_DRV_DS1307=m
 CONFIG_RTC_DRV_STMP=y
 CONFIG_DMADEVICES=y
 CONFIG_MXS_DMA=y
+CONFIG_STAGING=y
+CONFIG_MXS_LRADC=y
+CONFIG_IIO_SYSFS_TRIGGER=y
 CONFIG_COMMON_CLK_DEBUG=y
+CONFIG_IIO=y
 CONFIG_EXT3_FS=y
 # CONFIG_DNOTIFY is not set
 CONFIG_FSCACHE=m
-- 
1.7.9.5

[PATCH 1/3] ARM: mx28evk: Add SPI flash support

[Marek Vasut]

Dear Fabio Estevam,

> mx28evk has a free slot (J89) which can be used to populate an SPI NOR
> Flash.
> 
> Add support for it.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
> ---
>  arch/arm/boot/dts/imx28-evk.dts |   17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx28-evk.dts
> b/arch/arm/boot/dts/imx28-evk.dts index ab78ee5..8a9a2f4 100644
> --- a/arch/arm/boot/dts/imx28-evk.dts
> +++ b/arch/arm/boot/dts/imx28-evk.dts
> @@ -46,6 +46,23 @@
>  				wp-gpios = <&gpio0 28 0>;
>  			};
> 
> +			ssp2: ssp at 80014000 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				compatible = "fsl,imx28-spi";
> +				pinctrl-names = "default";
> +				pinctrl-0 = <&spi2_pins_a>;
> +				status = "okay";
> +
> +				flash: m25p80 at 0 {

Shouldn't this also be sst25vf016b at 0 ?

> +					#address-cells = <1>;
> +					#size-cells = <1>;
> +					compatible = "sst,sst25vf016b";
> +					spi-max-frequency = <40000000>;
> +					reg = <0>;
> +				};
> +			};
> +
>  			pinctrl at 80018000 {
>  				pinctrl-names = "default";
>  				pinctrl-0 = <&hog_pins_a>;

Best regards,
Marek Vasut

[PATCH 2/3] ARM: mx28evk: Add LRADC support

[Marek Vasut]

Dear Fabio Estevam,

> Add LRADC support.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

Acked-by: Marek Vasut <marex@denx.de>

> ---
>  arch/arm/boot/dts/imx28-evk.dts |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx28-evk.dts
> b/arch/arm/boot/dts/imx28-evk.dts index 8a9a2f4..ed92d61 100644
> --- a/arch/arm/boot/dts/imx28-evk.dts
> +++ b/arch/arm/boot/dts/imx28-evk.dts
> @@ -145,6 +145,10 @@
>  				status = "okay";
>  			};
> 
> +			lradc at 80050000 {
> +				status = "okay";
> +			};
> +
>  			i2c0: i2c at 80058000 {
>  				pinctrl-names = "default";
>  				pinctrl-0 = <&i2c0_pins_a>;

Best regards,
Marek Vasut

[PATCH 1/3] ARM: mx28evk: Add SPI flash support

[Fabio Estevam]

On Mon, Aug 27, 2012 at 1:58 PM, Marek Vasut <marex@denx.de> wrote:

>> +                     ssp2: ssp at 80014000 {
>> +                             #address-cells = <1>;
>> +                             #size-cells = <0>;
>> +                             compatible = "fsl,imx28-spi";
>> +                             pinctrl-names = "default";
>> +                             pinctrl-0 = <&spi2_pins_a>;
>> +                             status = "okay";
>> +
>> +                             flash: m25p80 at 0 {
>
> Shouldn't this also be sst25vf016b at 0 ?

The alias is still m25p80 in this case.

Regards,

Fabio Estevam

[PATCH 1/3] ARM: mx28evk: Add SPI flash support

[Shawn Guo]

On Mon, Aug 27, 2012 at 01:23:27PM -0300, Fabio Estevam wrote:
> mx28evk has a free slot (J89) which can be used to populate an SPI NOR Flash.
> 
> Add support for it.
> 
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>

Applied all three patches, thanks.