From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anurup M Subject: [PATCH v4 02/11] dt-bindings: hisi: Add Hisilicon HiP05/06/07 Djtag dts bindings Date: Sun, 19 Feb 2017 13:50:13 -0500 Message-ID: <1487530213-42387-1-git-send-email-anurup.m@huawei.com> Return-path: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, will.deacon-5wv7dgnIgG8@public.gmane.org Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, anurup.m-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, zhangshaokun-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, tanxiaojun-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, xuwei5-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, sanil.kumar-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, john.garry-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, gabriele.paoloni-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, shiju.jose-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, huangdaode-C8/M+/jPZTeaMJb+Lgu22Q@public.gmane.org, wangkefeng.wang-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, linuxarm-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, dikshit.n-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, shyju.pv-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, anurupvasu-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org List-Id: devicetree@vger.kernel.org From: Tan Xiaojun Add Hisilicon HiP05/06/07 Djtag dts bindings for CPU and IO Die Signed-off-by: Tan Xiaojun Signed-off-by: Anurup M --- .../devicetree/bindings/arm/hisilicon/djtag.txt | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/hisilicon/djtag.txt diff --git a/Documentation/devicetree/bindings/arm/hisilicon/djtag.txt b/Documentation/devicetree/bindings/arm/hisilicon/djtag.txt new file mode 100644 index 0000000..420c2e0 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/hisilicon/djtag.txt @@ -0,0 +1,51 @@ +The Hisilicon Djtag is an independent component which connects with some other +components in the SoC by Debug Bus. The djtag is available in CPU and IO dies +in the chip. The djtag controls access to connecting modules of CPU and IO +dies. +The various connecting components in CPU die (like L3 cache, L3 cache PMU etc.) +are accessed by djtag during real time debugging. In IO die there are connecting +components like RSA. These components appear as devices attached to djtag bus. + +Hisilicon HiP05/06/07 djtag for CPU die +Required properties: + - compatible : The value should be as follows + (a) "hisilicon,hip05-cpu-djtag-v1" for CPU die which use v1 hw in + HiP05 chipset. + (b) "hisilicon,hip06-cpu-djtag-v1" for CPU die which use v1 hw in + HiP06 chipset. + (c) "hisilicon,hip07-cpu-djtag-v2" for CPU die which use v2 hw in + HiP07 chipset. + - reg : Register address and size + - hisilicon,scl-id : The Super Cluster ID for CPU or IO die + +Example 1: Djtag for CPU die in HiP07 + + /* for Hisilicon HiP07 djtag for CPU Die */ + djtag0: djtag@60010000 { + compatible = "hisilicon,hip07-cpu-djtag-v2"; + reg = <0x0 0x60010000 0x0 0x10000>; + hisilicon,scl-id = <0x02>; + + /* All connecting components will appear as child nodes */ + }; + +Hisilicon HiP05/06/07 djtag for IO die +Required properties: + - compatible : The value should be as follows + (a) "hisilicon,hip05-io-djtag-v1" for IO die which use v1 hw in + HiP05 chipset. + (c) "hisilicon,hip06-io-djtag-v2" for IO die which use v2 hw in + HiP06 chipset. + (d) "hisilicon,hip07-io-djtag-v2" for IO die which use v2 hw in + HiP07 chipset + +Example 2: Djtag for IO die in HiP05 + + /* for Hisilicon HiP05 djtag for IO Die */ + djtag1: djtag@d0000000 { + compatible = "hisilicon,hip05-io-djtag-v1"; + reg = <0x0 0xd0000000 0x0 0x10000>; + hisilicon,scl-id = <0x01>; + + /* All connecting components will appear as child nodes */ + }; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html