* [PATCH V4 0/3] ARM: davinci: da850: add pinctrl support
@ 2013-01-16 3:48 Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT entries Kumar, Anil
` (2 more replies)
0 siblings, 3 replies; 5+ messages in thread
From: Kumar, Anil @ 2013-01-16 3:48 UTC (permalink / raw)
To: linux-arm-kernel
This set of patches adds:
* Add pinctrl-single for handling Padconf registers.
* Add NAND node to export NAND functionality on da850 EVM.
* Add NAND pinctrl node to do pin mux according to pinctrl-single driver.
This series applies on top of tag next-20130107 git tree
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
and the following patch
-drivers/pinctrl: grab default handles from device core
https://patchwork.kernel.org/patch/1862231/
This series is tested on da850 EVM.
Changes since V3:
-Move NAND related pinctrl DT data into the da850.dtsi file so it can
be reused.
Changes since V2:
-Move NAND pins configuration into the nand_cs3 DT node to avoid pins
configuration if it is not probed.
Changes since V1:
-Remove the binding documentation as already documented as part of
Documentation/devicetree/bindings/pinctrl/pinctrl-single.txt
-Enable PINCTRL Kconfig for MACH_DA8XX_DT platform only.
-Fix the pinctrl driver node unit-address.
-Make separate patch for da8xx_omapl_defconfig changes.
Kumar, Anil (3):
ARM: davinci: da850: add pinctrl driver DT entries
ARM: davinci: da8xx defconfig: enable pinctrl config option
ARM: davinci: da850: add NAND driver DT entries
arch/arm/boot/dts/da850-evm.dts | 8 ++++++
arch/arm/boot/dts/da850.dtsi | 40 ++++++++++++++++++++++++++++++++
arch/arm/configs/da8xx_omapl_defconfig | 1 +
arch/arm/mach-davinci/Kconfig | 1 +
4 files changed, 50 insertions(+), 0 deletions(-)
--
1.7.4.1
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT entries
2013-01-16 3:48 [PATCH V4 0/3] ARM: davinci: da850: add pinctrl support Kumar, Anil
@ 2013-01-16 3:48 ` Kumar, Anil
2013-01-16 8:38 ` Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 2/3] ARM: davinci: da8xx defconfig: enable pinctrl config option Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 3/3] ARM: davinci: da850: add NAND driver DT entries Kumar, Anil
2 siblings, 1 reply; 5+ messages in thread
From: Kumar, Anil @ 2013-01-16 3:48 UTC (permalink / raw)
To: linux-arm-kernel
For DT, DaVinci platform can use pinctrl-single driver for handling
padconf registers.
Enable PINCTRL Kconfig for MACH_DA8XX_DT platform. Add required
pinctrl DT entries in da850 dts file.
Test procedure
1)Populate DT file with NAND node information.
2)Populate board DT file with pinmux information for NAND.
3)Boot and confirm NAND is detected by the kernel.
4)cat /proc/mtd to show partitions.
Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
---
:100644 100644 37dc5a3... c7609d0... M arch/arm/boot/dts/da850-evm.dts
:100644 100644 fbada87... e9c6e82... M arch/arm/boot/dts/da850.dtsi
:100644 100644 0153950... a075b3e... M arch/arm/mach-davinci/Kconfig
arch/arm/boot/dts/da850-evm.dts | 3 +++
arch/arm/boot/dts/da850.dtsi | 10 ++++++++++
arch/arm/mach-davinci/Kconfig | 1 +
3 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index 37dc5a3..c7609d0 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -15,6 +15,9 @@
model = "DA850/AM1808/OMAP-L138 EVM";
soc {
+ pmx_core:pinmux at 1c14120 {
+ status = "okay";
+ };
serial0: serial at 1c42000 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index fbada87..e9c6e82 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -29,6 +29,16 @@
#size-cells = <1>;
ranges = <0x0 0x01c00000 0x400000>;
+ pmx_core:pinmux at 1c14120 {
+ compatible = "pinctrl-single";
+ reg = <0x14120 0x50>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-single,bit-per-mux;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ status = "disabled";
+ };
serial0: serial at 1c42000 {
compatible = "ns16550a";
reg = <0x42000 0x100>;
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index 0153950..a075b3e 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -62,6 +62,7 @@ config MACH_DA8XX_DT
bool "Support DA8XX platforms using device tree"
default y
depends on ARCH_DAVINCI_DA8XX
+ select PINCTRL
help
Say y here to include support for TI DaVinci DA850 based using
Flattened Device Tree. More information at Documentation/devicetree
--
1.7.4.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH V4 2/3] ARM: davinci: da8xx defconfig: enable pinctrl config option
2013-01-16 3:48 [PATCH V4 0/3] ARM: davinci: da850: add pinctrl support Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT entries Kumar, Anil
@ 2013-01-16 3:48 ` Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 3/3] ARM: davinci: da850: add NAND driver DT entries Kumar, Anil
2 siblings, 0 replies; 5+ messages in thread
From: Kumar, Anil @ 2013-01-16 3:48 UTC (permalink / raw)
To: linux-arm-kernel
Enable pinctrl related config option in da8xx_omapl_defconfig
Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
---
:100644 100644 f292239... 0892db4... M arch/arm/configs/da8xx_omapl_defconfig
arch/arm/configs/da8xx_omapl_defconfig | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/arm/configs/da8xx_omapl_defconfig b/arch/arm/configs/da8xx_omapl_defconfig
index f292239..0892db4 100644
--- a/arch/arm/configs/da8xx_omapl_defconfig
+++ b/arch/arm/configs/da8xx_omapl_defconfig
@@ -81,6 +81,7 @@ CONFIG_SERIAL_OF_PLATFORM=y
CONFIG_I2C=y
CONFIG_I2C_CHARDEV=y
CONFIG_I2C_DAVINCI=y
+CONFIG_PINCTRL_SINGLE=y
# CONFIG_HWMON is not set
CONFIG_WATCHDOG=y
CONFIG_REGULATOR=y
--
1.7.4.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH V4 3/3] ARM: davinci: da850: add NAND driver DT entries
2013-01-16 3:48 [PATCH V4 0/3] ARM: davinci: da850: add pinctrl support Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT entries Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 2/3] ARM: davinci: da8xx defconfig: enable pinctrl config option Kumar, Anil
@ 2013-01-16 3:48 ` Kumar, Anil
2 siblings, 0 replies; 5+ messages in thread
From: Kumar, Anil @ 2013-01-16 3:48 UTC (permalink / raw)
To: linux-arm-kernel
Add NAND driver DT node and related pinctrl DT data to export NAND
functionality on da850 evm.
Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
---
:100644 100644 c7609d0... 433027f... M arch/arm/boot/dts/da850-evm.dts
:100644 100644 e9c6e82... 59e6ea4... M arch/arm/boot/dts/da850.dtsi
arch/arm/boot/dts/da850-evm.dts | 5 +++++
arch/arm/boot/dts/da850.dtsi | 30 ++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
index c7609d0..433027f 100644
--- a/arch/arm/boot/dts/da850-evm.dts
+++ b/arch/arm/boot/dts/da850-evm.dts
@@ -28,4 +28,9 @@
status = "okay";
};
};
+ nand_cs3 at 62000000 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&nand_cs3_pins>;
+ };
};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index e9c6e82..59e6ea4 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -38,6 +38,23 @@
pinctrl-single,register-width = <32>;
pinctrl-single,function-mask = <0xffffffff>;
status = "disabled";
+
+ nand_cs3_pins: pinmux_nand_pins {
+ pinctrl-single,bits = <
+ /* EMA_OE, EMA_WE */
+ 0x1c 0x00110000 0x00ff0000
+ /* EMA_CS[4],EMA_CS[3]*/
+ 0x1c 0x00000110 0x00000ff0
+ /*
+ * EMA_D[0], EMA_D[1], EMA_D[2],
+ * EMA_D[3], EMA_D[4], EMA_D[5],
+ * EMA_D[6], EMA_D[7]
+ */
+ 0x24 0x11111111 0xffffffff
+ /* EMA_A[1], EMA_A[2] */
+ 0x30 0x01100000 0x0ff00000
+ >;
+ };
};
serial0: serial at 1c42000 {
compatible = "ns16550a";
@@ -67,4 +84,17 @@
status = "disabled";
};
};
+ nand_cs3 at 62000000 {
+ compatible = "ti,davinci-nand";
+ reg = <0x62000000 0x807ff
+ 0x68000000 0x8000>;
+ ti,davinci-chipselect = <1>;
+ ti,davinci-mask-ale = <0>;
+ ti,davinci-mask-cle = <0>;
+ ti,davinci-mask-chipsel = <0>;
+ ti,davinci-ecc-mode = "hw";
+ ti,davinci-ecc-bits = <4>;
+ ti,davinci-nand-use-bbt;
+ status = "disabled";
+ };
};
--
1.7.4.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT entries
2013-01-16 3:48 ` [PATCH V4 1/3] ARM: davinci: da850: add pinctrl driver DT entries Kumar, Anil
@ 2013-01-16 8:38 ` Kumar, Anil
0 siblings, 0 replies; 5+ messages in thread
From: Kumar, Anil @ 2013-01-16 8:38 UTC (permalink / raw)
To: linux-arm-kernel
On Wed, Jan 16, 2013 at 09:18:20, Kumar, Anil wrote:
> For DT, DaVinci platform can use pinctrl-single driver for handling
> padconf registers.
>
> Enable PINCTRL Kconfig for MACH_DA8XX_DT platform. Add required
> pinctrl DT entries in da850 dts file.
>
> Test procedure
> 1)Populate DT file with NAND node information.
> 2)Populate board DT file with pinmux information for NAND.
> 3)Boot and confirm NAND is detected by the kernel.
> 4)cat /proc/mtd to show partitions.
>
> Signed-off-by: Kumar, Anil <anilkumar.v@ti.com>
> ---
> :100644 100644 37dc5a3... c7609d0... M arch/arm/boot/dts/da850-evm.dts
> :100644 100644 fbada87... e9c6e82... M arch/arm/boot/dts/da850.dtsi
> :100644 100644 0153950... a075b3e... M arch/arm/mach-davinci/Kconfig
> arch/arm/boot/dts/da850-evm.dts | 3 +++
> arch/arm/boot/dts/da850.dtsi | 10 ++++++++++
> arch/arm/mach-davinci/Kconfig | 1 +
> 3 files changed, 14 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
> index 37dc5a3..c7609d0 100644
> --- a/arch/arm/boot/dts/da850-evm.dts
> +++ b/arch/arm/boot/dts/da850-evm.dts
> @@ -15,6 +15,9 @@
> model = "DA850/AM1808/OMAP-L138 EVM";
>
> soc {
> + pmx_core:pinmux at 1c14120 {
I have found cosmetics issue here. I will correct it and send next version.
> + status = "okay";
> + };
> serial0: serial at 1c42000 {
> status = "okay";
> };
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index fbada87..e9c6e82 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -29,6 +29,16 @@
> #size-cells = <1>;
> ranges = <0x0 0x01c00000 0x400000>;
>
> + pmx_core:pinmux at 1c14120 {
I have found cosmetics issue here. I will correct it and send next version.
> + compatible = "pinctrl-single";
> + reg = <0x14120 0x50>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pinctrl-single,bit-per-mux;
> + pinctrl-single,register-width = <32>;
> + pinctrl-single,function-mask = <0xffffffff>;
> + status = "disabled";
> + };
> serial0: serial at 1c42000 {
> compatible = "ns16550a";
> reg = <0x42000 0x100>;
> diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
> index 0153950..a075b3e 100644
> --- a/arch/arm/mach-davinci/Kconfig
> +++ b/arch/arm/mach-davinci/Kconfig
> @@ -62,6 +62,7 @@ config MACH_DA8XX_DT
> bool "Support DA8XX platforms using device tree"
> default y
> depends on ARCH_DAVINCI_DA8XX
> + select PINCTRL
> help
> Say y here to include support for TI DaVinci DA850 based using
> Flattened Device Tree. More information at Documentation/devicetree
> --
> 1.7.4.1
>
>
^ permalink raw reply [flat|nested] 5+ messages in thread
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2013-01-16 3:48 [PATCH V4 0/3] ARM: davinci: da850: add pinctrl support Kumar, Anil
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2013-01-16 8:38 ` Kumar, Anil
2013-01-16 3:48 ` [PATCH V4 2/3] ARM: davinci: da8xx defconfig: enable pinctrl config option Kumar, Anil
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