openwrt/target/linux/ipq806x/patches-3.18/033-ARM-qcom-add-SFPB-nodes-to-IPQ806x-dts.patch
John Crispin 6b775f4517 ipq806x: add hwspinlock support
This change cherry-picks the following 3 changes from linux-next:
*fb7737 hwspinlock/core: add device tree support
*19a0f6 hwspinlock: qcom: Add support for Qualcomm HW Mutex block
*bd5717 hwspinlock: qcom: Correct msb in regmap_field

We're also adding a patch to add the hardware spinlock device nodes on
IPQ806x platforms (033-soc-qcom-Add-sfbp-device-to-IPQ806x-dts.patch).

Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>

SVN-Revision: 46655
2015-08-17 06:17:47 +00:00

35 lines
937 B
Diff

From c7c482da19a5e4ba7101198c21c2434056b0b2da Mon Sep 17 00:00:00 2001
From: Mathieu Olivari <mathieu@codeaurora.org>
Date: Thu, 13 Aug 2015 09:45:26 -0700
Subject: [PATCH 1/3] ARM: qcom: add SFPB nodes to IPQ806x dts
Add one new node to the ipq806x.dtsi file to declare & register the
hardware spinlock devices. This mechanism is required to be used by
other drivers such as SMEM.
Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
---
arch/arm/boot/dts/qcom-ipq8064.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/arch/arm/boot/dts/qcom-ipq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq8064.dtsi
@@ -291,5 +291,17 @@
#clock-cells = <1>;
#reset-cells = <1>;
};
+
+ sfpb_mutex_block: syscon@1200600 {
+ compatible = "syscon";
+ reg = <0x01200600 0x100>;
+ };
};
+
+ sfpb_mutex: sfpb-mutex {
+ compatible = "qcom,sfpb-mutex";
+ syscon = <&sfpb_mutex_block 4 4>;
+
+ #hwlock-cells = <1>;
+ };
};