[PATCH v4 0/2] ARM: dts: imx7: add NAND support

[PATCH v4 0/2] ARM: dts: imx7: add NAND support

[Stefan Agner]

This are the missing device tree parts to add NAND support for i.MX 7.
See previous patchset:
https://lkml.org/lkml/2017/4/21/832

The previous version also included driver changes, which are already
merged.

--
Stefan

Changes since v3:
- Only specify IMX7D_NAND_USDHC_BUS_ROOT_CLK which seems to be sufficent

Changes since v2:
- Dropped driver changes, alreay merged

Changes since v1:
- Make clks_count const
- Introduce IS_IMX7D for i.MX 7 SoC's and make it part of GPMI_IS_MX6

Stefan Agner (2):
  ARM: dts: imx7: add GPMI NAND
  ARM: dts: imx7-colibri: add NAND support

 arch/arm/boot/dts/imx7-colibri.dtsi |  9 +++++++++-
 arch/arm/boot/dts/imx7s.dtsi        | 30 ++++++++++++++++++++++++++++++-
 2 files changed, 39 insertions(+)

base-commit: e2bb3be2c6c623ff0bad975dc9435531f450f0c5
-- 
git-series 0.9.1

[PATCH v4 1/2] ARM: dts: imx7: add GPMI NAND

[Stefan Agner]

Add i.MX 7 GPMI NAND module.

Signed-off-by: Stefan Agner <stefan@agner.ch>
---
 arch/arm/boot/dts/imx7s.dtsi | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi
index c4f12fd..48cfedb 100644
--- a/arch/arm/boot/dts/imx7s.dtsi
+++ b/arch/arm/boot/dts/imx7s.dtsi
@@ -995,5 +995,35 @@
 				status = "disabled";
 			};
 		};
+
+		dma_apbh: dma-apbh@33000000 {
+			compatible = "fsl,imx7d-dma-apbh", "fsl,imx28-dma-apbh";
+			reg = <0x33000000 0x2000>;
+			interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "gpmi0", "gpmi1", "gpmi2", "gpmi3";
+			#dma-cells = <1>;
+			dma-channels = <4>;
+			clocks = <&clks IMX7D_NAND_USDHC_BUS_ROOT_CLK>;
+			clock-names = "dma_apbh_bch", "dma_apbh_io";
+		};
+
+		gpmi: gpmi-nand@33002000{
+			compatible = "fsl,imx7d-gpmi-nand";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			reg = <0x33002000 0x2000>, <0x33004000 0x4000>;
+			reg-names = "gpmi-nand", "bch";
+			interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "bch";
+			clocks = <&clks IMX7D_NAND_ROOT_CLK>,
+				<&clks IMX7D_NAND_USDHC_BUS_ROOT_CLK>;
+			clock-names = "gpmi_io", "gpmi_bch_apb";
+			dmas = <&dma_apbh 0>;
+			dma-names = "rx-tx";
+			status = "disabled";
+		};
 	};
 };
-- 
git-series 0.9.1

[PATCH v4 2/2] ARM: dts: imx7-colibri: add NAND support

[Stefan Agner]

The Colibri iMX7 modules come with 512MB on-module SLC NAND flash
populated. Make use of it by enabling the GPMI controller.

Signed-off-by: Stefan Agner <stefan@agner.ch>
---
 arch/arm/boot/dts/imx7-colibri.dtsi |  9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index 2d87489..ad4ce19 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -106,6 +106,15 @@
 	fsl,magic-packet;
 };
 
+&gpmi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpmi_nand>;
+	fsl,use-minimum-ecc;
+	nand-on-flash-bbt;
+	nand-ecc-mode = "hw";
+	status = "okay";
+};
+
 &i2c1 {
 	clock-frequency = <100000>;
 	pinctrl-names = "default";
-- 
git-series 0.9.1