1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
From c78ae23b6c174c9f2e0973a247942b6b4adb7e82 Mon Sep 17 00:00:00 2001
From: Andy Gross <agross@codeaurora.org>
Date: Thu, 26 Jun 2014 13:02:59 -0500
Subject: [PATCH 180/182] ARM: dts: Add ADM DMA nodes and SPI linkage
This patch adds the ADM DMA controller DT nodes and also enables the use of dma
in SPI.
Signed-off-by: Andy Gross <agross@codeaurora.org>
---
arch/arm/boot/dts/qcom-ipq8064-ap148.dts | 11 +++++++++++
arch/arm/boot/dts/qcom-ipq8064.dtsi | 8 +++++---
2 files changed, 16 insertions(+), 3 deletions(-)
--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -44,6 +44,10 @@
drive-strength = <10>;
bias-none;
};
+ cs {
+ pins = "gpio20";
+ drive-strength = <12>;
+ };
};
nand_pins: nand_pins {
mux {
@@ -100,12 +104,17 @@
cs-gpios = <&qcom_pinmux 20 0>;
+ dmas = <&adm_dma 6 9>,
+ <&adm_dma 5 10>;
+ dma-names = "rx", "tx";
+
flash: m25p80@0 {
compatible = "s25fl256s1";
#address-cells = <1>;
#size-cells = <1>;
spi-max-frequency = <50000000>;
reg = <0>;
+ m25p,fast-read;
partition@0 {
label = "rootfs";
@@ -140,8 +149,10 @@
ranges = <0x00000000 0 0x00000000 0x31f00000 0 0x00100000 /* configuration space */
0x81000000 0 0 0x31e00000 0 0x00100000 /* downstream I/O */
0x82000000 0 0x00000000 0x2e000000 0 0x03e00000>; /* non-prefetchable memory */
+
};
+
sata-phy@1b400000 {
status = "ok";
};
--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -421,19 +421,21 @@
compatible = "qcom,adm";
reg = <0x18300000 0x100000>;
interrupts = <0 170 0>;
+ #dma-cells = <2>;
clocks = <&gcc ADM0_CLK>, <&gcc ADM0_PBUS_CLK>;
- clock-names = "core_clk", "iface_clk";
+ clock-names = "core", "iface";
resets = <&gcc ADM0_RESET>,
<&gcc ADM0_PBUS_RESET>,
<&gcc ADM0_C0_RESET>,
<&gcc ADM0_C1_RESET>,
<&gcc ADM0_C2_RESET>;
-
- reset-names = "adm", "pbus", "c0", "c1", "c2";
+ reset-names = "clk", "pbus", "c0", "c1", "c2";
+ qcom,ee = <0>;
status = "disabled";
+
};
nand@0x1ac00000 {
|
