[LEDE-DEV] [PATCH v3 5/6] ipq806x: add qpic nand and bam dma node's in ipq4019 dts tree

[Ram Chandra Jangir]

This change adds QPIC BAM dma and NAND driver node's in IPQ4019
device tree, also enable this for AP-DK04.1 based boards.

Signed-off-by: Ram Chandra Jangir <rjangir at codeaurora.org>
---

Changes since v2:
 *Splitted to individual patches

 ...ts-ipq4019-add-nand-and-qpic-bam-dma-node.patch | 172 +++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 target/linux/ipq806x/patches-4.9/863-dts-ipq4019-add-nand-and-qpic-bam-dma-node.patch

diff --git a/target/linux/ipq806x/patches-4.9/863-dts-ipq4019-add-nand-and-qpic-bam-dma-node.patch b/target/linux/ipq806x/patches-4.9/863-dts-ipq4019-add-nand-and-qpic-bam-dma-node.patch
new file mode 100644
index 0000000..44e162b
--- /dev/null
+++ b/target/linux/ipq806x/patches-4.9/863-dts-ipq4019-add-nand-and-qpic-bam-dma-node.patch
@@ -0,0 +1,172 @@
+From 02bbf3c46e1e38e9ca699143566903683e3a015d Mon Sep 17 00:00:00 2001
+From: Ram Chandra Jangir <rjangir at codeaurora.org>
+Date: Thu, 20 Apr 2017 10:45:00 +0530
+Subject: [PATCH] dts: ipq4019: add nand and qpic bam dma node
+
+This change adds QPIC BAM dma and NAND driver node's in
+IPQ4019 device tree, also enable this for AP-DK04.1 based
+boards.
+
+Signed-off-by: Ram Chandra Jangir <rjangir at codeaurora.org>
+---
+ arch/arm/boot/dts/qcom-ipq4019-ap.dk04.1.dtsi | 75 +++++++++++++++++++++++++++
+ arch/arm/boot/dts/qcom-ipq4019.dtsi           | 38 ++++++++++++++
+ 2 files changed, 113 insertions(+)
+
+diff --git a/arch/arm/boot/dts/qcom-ipq4019-ap.dk04.1.dtsi b/arch/arm/boot/dts/qcom-ipq4019-ap.dk04.1.dtsi
+index 09fb047..e94954e 100644
+--- a/arch/arm/boot/dts/qcom-ipq4019-ap.dk04.1.dtsi
++++ b/arch/arm/boot/dts/qcom-ipq4019-ap.dk04.1.dtsi
+@@ -101,6 +101,86 @@
+					bias-bus-hold;
+				};
+			};
++
++			nand_pins: nand_pins {
++
++				 mux_1 {
++					 pins = "gpio52", "gpio53", "gpio54",
++						"gpio55", "gpio56", "gpio61",
++						"gpio62", "gpio63", "gpio69";
++					 function = "qpic_pad";
++					 bias-disable;
++				 };
++
++				mux_2 {
++					pins = "gpio67";
++					function = "qpic_pad0";
++					bias-disable;
++				};
++
++				mux_3 {
++					pins = "gpio64";
++					function = "qpic_pad1";
++					bias-disable;
++				};
++
++				mux_4 {
++					pins = "gpio65";
++					function = "qpic_pad2";
++					bias-disable;
++				};
++
++				mux_5 {
++					pins = "gpio66";
++					function = "qpic_pad3";
++					bias-disable;
++				};
++
++				mux_6 {
++					pins = "gpio57";
++					function = "qpic_pad4";
++					bias-disable;
++				};
++
++				mux_7 {
++					pins = "gpio58";
++					function = "qpic_pad5";
++					bias-disable;
++				};
++
++				mux_8 {
++					pins = "gpio59";
++					function = "qpic_pad6";
++					bias-disable;
++				};
++
++				mux_9 {
++					pins = "gpio60";
++					function = "qpic_pad7";
++					bias-disable;
++				};
++
++				mux_10 {
++					pins = "gpio68";
++					function = "qpic_pad8";
++					bias-disable;
++				};
++
++				pullups {
++					pins = "gpio52", "gpio53", "gpio58",
++						"gpio59";
++					bias-pull-up;
++				};
++
++				pulldowns {
++					pins = "gpio54", "gpio55", "gpio56",
++						"gpio57", "gpio60", "gpio61",
++						"gpio62", "gpio63", "gpio64",
++						"gpio65", "gpio66", "gpio67",
++						"gpio68", "gpio69";
++					bias-pull-down;
++				};
++			};
+		};
+
+		blsp_dma: dma at 7884000 {
+@@ -204,5 +269,15 @@
+		wifi at a800000 {
+			status = "ok";
+		};
++
++		qpic_bam: dma at 7984000 {
++			status = "ok";
++		};
++
++		nand: qpic-nand at 79b0000 {
++			pinctrl-0 = <&nand_pins>;
++			pinctrl-names = "default";
++			status = "ok";
++		};
+	};
+ };
+diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
+index 52a64e7..740808b 100644
+--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
++++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
+@@ -593,5 +593,43 @@
+					  "legacy";
+			status = "disabled";
+		};
++
++		qpic_bam: dma at 7984000 {
++			compatible = "qcom,bam-v1.7.0";
++			reg = <0x7984000 0x1a000>;
++			interrupts = <0 101 0>;
++			clocks = <&gcc GCC_QPIC_AHB_CLK>;
++			clock-names = "bam_clk";
++			#dma-cells = <1>;
++			qcom,ee = <0>;
++			status = "disabled";
++		};
++
++		nand: qpic-nand at 79b0000 {
++			compatible = "qcom,ebi2-nandc-bam", "qcom,msm-nand";
++			reg = <0x79b0000 0x1000>;
++			#address-cells = <1>;
++			#size-cells = <0>;
++			clocks = <&gcc GCC_QPIC_CLK>,
++				<&gcc GCC_QPIC_AHB_CLK>;
++			clock-names = "core", "aon";
++
++			dmas = <&qpic_bam 0>,
++				<&qpic_bam 1>,
++				<&qpic_bam 2>;
++			dma-names = "tx", "rx", "cmd";
++			status = "disabled";
++
++			nandcs at 0 {
++				compatible = "qcom,nandcs";
++				reg = <0>;
++				#address-cells = <1>;
++				#size-cells = <1>;
++
++				nand-ecc-strength = <4>;
++				nand-ecc-step-size = <512>;
++				nand-bus-width = <8>;
++			};
++		};
+	};
+ };
+--
+2.7.2
-- 
2.7.2