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Message-ID: <1450848915-9772-1-git-send-email-rmani@qti.qualcomm.com>
Date: Wed, 23 Dec 2015 11:05:15 +0530
From: Raja Mani <rmani@....qualcomm.com>
To: <agross@...eaurora.org>, <devicetree@...r.kernel.org>
CC: <ath10k@...ts.infradead.org>, <linux-wireless@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
<mmcclint@....qualcomm.com>, Raja Mani <rmani@....qualcomm.com>
Subject: [PATCH] dt: bindings: add bindings for ipq4019 wifi block
Add device tree binding documentation details for wifi block present
in Qualcomm IPQ4019 SoC into qcom,ath10k.txt.
Signed-off-by: Raja Mani <rmani@....qualcomm.com>
---
.../bindings/net/wireless/qcom,ath10k.txt | 87 ++++++++++++++++++++--
1 file changed, 82 insertions(+), 5 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index edefc26..ffd0742 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -1,17 +1,42 @@
* Qualcomm Atheros ath10k wireless devices
-For ath10k devices the calibration data can be provided through Device
-Tree. The node is a child node of the PCI controller.
-
Required properties:
--compatible : Should be "qcom,ath10k"
+- compatible: Should be one of the following:
+ * "qcom,ath10k"
+ * "qcom,ipq4019-wifi"
Optional properties:
+- reg: Address and length of the register set for the device.
+- core-id: Core number associated to the device.
+- resets: Must contain an entry for each entry in reset-names.
+ See ../reset/reseti.txt for details.
+- reset-names: Must include the list of following reset names,
+ "wifi_cpu_init"
+ "wifi_radio_srif"
+ "wifi_radio_warm"
+ "wifi_radio_cold"
+ "wifi_core_warm"
+ "wifi_core_cold"
+- clocks: List of clock specifiers, must contain an entry for each required
+ entry in clock-names.
+- clock-names: Should contain the clock names "wifi_wcss_cmd", "wifi_wcss_ref",
+ "wifi_wcss_rtc".
+- interrupts: List of interrupt lines. Must contain an entry
+ for each entry in the interrupt-names property.
+- interrupt-names: Must include the entries for MSI interrupt
+ names ("msi0" to "msi15") and legacy interrupt
+ name ("legacy"),
+- qca,msi_addr: MSI interrupt address.
+- qca,msi_base: Base value to add before writing MSI data into
+ MSI address register.
- qcom,ath10k-calibration-data : calibration data as an array, the
length can vary between hw versions
+- status: Either "disabled" or "ok".
+
+Example (to supply the calibration data alone):
-Example:
+In this example, the node is defined as child node of the PCI controller.
pci {
pcie@0 {
@@ -28,3 +53,55 @@ pci {
};
};
};
+
+Example (to supply ipq4019 SoC wifi block details):
+
+wifi0: wifi@...0000 {
+ compatible = "qcom,ipq4019-wifi";
+ reg = <0xa000000 0x200000>;
+ core-id = <0x0>;
+ resets = <&gcc WIFI0_CPU_INIT_RESET>,
+ <&gcc WIFI0_RADIO_SRIF_RESET>,
+ <&gcc WIFI0_RADIO_WARM_RESET>,
+ <&gcc WIFI0_RADIO_COLD_RESET>,
+ <&gcc WIFI0_CORE_WARM_RESET>,
+ <&gcc WIFI0_CORE_COLD_RESET>;
+ reset-names = "wifi_cpu_init",
+ "wifi_radio_srif",
+ "wifi_radio_warm",
+ "wifi_radio_cold",
+ "wifi_core_warm",
+ "wifi_core_cold";
+ clocks = <&gcc GCC_WCSS2G_CLK>,
+ <&gcc GCC_WCSS2G_REF_CLK>,
+ <&gcc GCC_WCSS2G_RTC_CLK>;
+ clock-names = "wifi_wcss_cmd",
+ "wifi_wcss_ref",
+ "wifi_wcss_rtc";
+ interrupts = <0 0x20 0x1>,
+ <0 0x21 0x1>,
+ <0 0x22 0x1>,
+ <0 0x23 0x1>,
+ <0 0x24 0x1>,
+ <0 0x25 0x1>,
+ <0 0x26 0x1>,
+ <0 0x27 0x1>,
+ <0 0x28 0x1>,
+ <0 0x29 0x1>,
+ <0 0x2a 0x1>,
+ <0 0x2b 0x1>,
+ <0 0x2c 0x1>,
+ <0 0x2d 0x1>,
+ <0 0x2e 0x1>,
+ <0 0x2f 0x1>,
+ <0 0xa8 0x0>;
+ interrupt-names = "msi0", "msi1", "msi2", "msi3",
+ "msi4", "msi5", "msi6", "msi7",
+ "msi8", "msi9", "msi10", "msi11",
+ "msi12", "msi13", "msi14", "msi15",
+ "legacy";
+ status = "ok";
+ qca,msi_addr = <0x0b006040>;
+ qca,msi_base = <0x40>;
+ qcom,ath10k-calibration-data = [ 01 02 03 ... ];
+};
--
1.8.1.2
--
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