[PATCH v2 0/9] arm64: dts: hi3660: add more device nodes

[PATCH v2 0/9] arm64: dts: hi3660: add more device nodes

[Guodong Xu]

This patchset adds more device nodes for hi3660 and hikey960, including:
 - cpu idle states
 - L2 cache
 - PMU
 - OP-TEE
 - reboot
 - pstore
 - DMA

Patch 7 fixes an issue in mmc nodes, by adding 'reset'
Patch 8 change bluetooth uart max-speed to 3Mbps

HiKey960 is one of 96boards. For details information about it, please
refer to [1].

===
Major changes in v2:
 - add patch 8 to change bluetooth uart max-speed to 3Mbps
 - add patch 9 for DMA node.

[1] https://github.com/96boards/documentation/tree/master/ConsumerEdition/HiKey960

Guodong Xu (4):
  arm64: dts: hikey960: Add support for syscon-reboot-mode
  arm64: dts: hikey960: Add pstore support
  arm64: dts: hi3660: Reset the mmc hosts
  arm64: dts: hikey960: change bluetooth uart max-speed to 3mbps

Leo Yan (2):
  arm64: dts: hi3660: enable idle states
  arm64: dts: hi3660: add L2 cache topology

Victor Chong (1):
  arm64: dts: hikey960: Add optee node

Wang Ruyi (1):
  arm64: dts: hi3660: add bindings for DMA

YiPing Xu (1):
  arm64: dts: hi3660: add pmu dt node for hi3660

 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts |  37 ++++++-
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi         | 114 ++++++++++++++++++++++
 2 files changed, 150 insertions(+), 1 deletion(-)

-- 
2.10.2

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[PATCH v2 1/9] arm64: dts: hi3660: enable idle states

[Guodong Xu]

From: Leo Yan <leo.yan@linaro.org>

On Hi3660 there have two clusters, one is CA53 cluster and another is
CA73 cluster. This two clusters have different idle states separately.
With Daniel Lezcano's patch (ARM: cpuidle: Support asymmetric idle
definition), now ARM idle driver can support different clusters with
different idle states.

Base on this, this patch is to bind two clusters idle states on Hi3660.
Except the "WFI" states are enabled by default for all CPUs, this patch
also binds below extra idle states:

- CA53 CPUs have two more states:
  CPU_SLEEP:       CPU power off state
  CLUSTER_SLEEP_0: Cluster power off state

- CA73 CPUs have three more states:
  CPU_NAP:         CPU retention state
  CPU_SLEEP:       CPU power off state
  CLUSTER_SLEEP_1: Cluster power off state

Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Kevin Wang <jean.wangtao@linaro.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 63 +++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index c6a1961..8921310 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -58,6 +58,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
 		cpu1: cpu@1 {
@@ -65,6 +66,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x1>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
 		cpu2: cpu@2 {
@@ -72,6 +74,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x2>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
 		cpu3: cpu@3 {
@@ -79,6 +82,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x3>;
 			enable-method = "psci";
+			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
 		cpu4: cpu@100 {
@@ -86,6 +90,11 @@
 			device_type = "cpu";
 			reg = <0x0 0x100>;
 			enable-method = "psci";
+			cpu-idle-states = <
+					&CPU_NAP
+					&CPU_SLEEP
+					&CLUSTER_SLEEP_1
+			>;
 		};
 
 		cpu5: cpu@101 {
@@ -93,6 +102,11 @@
 			device_type = "cpu";
 			reg = <0x0 0x101>;
 			enable-method = "psci";
+			cpu-idle-states = <
+					&CPU_NAP
+					&CPU_SLEEP
+					&CLUSTER_SLEEP_1
+			>;
 		};
 
 		cpu6: cpu@102 {
@@ -100,6 +114,11 @@
 			device_type = "cpu";
 			reg = <0x0 0x102>;
 			enable-method = "psci";
+			cpu-idle-states = <
+					&CPU_NAP
+					&CPU_SLEEP
+					&CLUSTER_SLEEP_1
+			>;
 		};
 
 		cpu7: cpu@103 {
@@ -107,6 +126,50 @@
 			device_type = "cpu";
 			reg = <0x0 0x103>;
 			enable-method = "psci";
+			cpu-idle-states = <
+					&CPU_NAP
+					&CPU_SLEEP
+					&CLUSTER_SLEEP_1
+			>;
+		};
+
+		idle-states {
+			entry-method = "psci";
+
+			CPU_NAP: cpu-nap {
+				compatible = "arm,idle-state";
+				arm,psci-suspend-param = <0x0000001>;
+				entry-latency-us = <7>;
+				exit-latency-us = <2>;
+				min-residency-us = <15>;
+			};
+
+			CPU_SLEEP: cpu-sleep {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x0010000>;
+				entry-latency-us = <40>;
+				exit-latency-us = <70>;
+				min-residency-us = <3000>;
+			};
+
+			CLUSTER_SLEEP_0: cluster-sleep-0 {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x1010000>;
+				entry-latency-us = <500>;
+				exit-latency-us = <5000>;
+				min-residency-us = <20000>;
+			};
+
+			CLUSTER_SLEEP_1: cluster-sleep-1 {
+				compatible = "arm,idle-state";
+				local-timer-stop;
+				arm,psci-suspend-param = <0x1010000>;
+				entry-latency-us = <1000>;
+				exit-latency-us = <5000>;
+				min-residency-us = <20000>;
+			};
 		};
 	};
 
-- 
2.10.2

Re: [PATCH v2 1/9] arm64: dts: hi3660: enable idle states

[Daniel Lezcano]

Hi Guodong, Leo,

there are several typos in the patch description. I *humbly* propose an
alternate description to make it a bit more English friendly.

"""

There are two clusters on the Hi3660, the first one is Cortex-A53 based
and the other one is Cortex-A73 based. These two clusters have different
idle states.

Thanks to Daniel Lezcano's recent changes, the generic ARM cpuidle
driver can now support several clusters with different idle states, thus
supporting the big.Little architecture.

In addition to the WFI idle state which is the default shallowest state
for all ARM cpus, the Hi3660 supports the following states:

 - CA53 CPUs:
	- CPU_SLEEP:       CPU power off state
	- CLUSTER_SLEEP_0: Cluster power off state

 - CA73 CPUs:
	- CPU_NAP:         CPU retention state
	- CPU_SLEEP:       CPU power off state
	- CLUSTER_SLEEP_1: Cluster power off state

This patch adds the idle states description for the Hi3660 to the device
tree.

"""


Other than that.

Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>




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Re: [PATCH v2 1/9] arm64: dts: hi3660: enable idle states

[Leo Yan]

Hi Daniel,

On Thu, Aug 10, 2017 at 12:07:07PM +0200, Daniel Lezcano wrote:
> 
> Hi Guodong, Leo,
> 
> there are several typos in the patch description. I *humbly* propose an
> alternate description to make it a bit more English friendly.
> 
> """
> 
> There are two clusters on the Hi3660, the first one is Cortex-A53 based
> and the other one is Cortex-A73 based. These two clusters have different
> idle states.
> 
> Thanks to Daniel Lezcano's recent changes, the generic ARM cpuidle
> driver can now support several clusters with different idle states, thus
> supporting the big.Little architecture.
> 
> In addition to the WFI idle state which is the default shallowest state
> for all ARM cpus, the Hi3660 supports the following states:
> 
>  - CA53 CPUs:
> 	- CPU_SLEEP:       CPU power off state
> 	- CLUSTER_SLEEP_0: Cluster power off state
> 
>  - CA73 CPUs:
> 	- CPU_NAP:         CPU retention state
> 	- CPU_SLEEP:       CPU power off state
> 	- CLUSTER_SLEEP_1: Cluster power off state
> 
> This patch adds the idle states description for the Hi3660 to the device
> tree.
> 
> """
> 
> 
> Other than that.
> 
> Acked-by: Daniel Lezcano <daniel.lezcano-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

Thanks a lot for proposing commit log, it's much better :)

Thanks,
Leo Yan
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[PATCH v2 2/9] arm64: dts: hi3660: add L2 cache topology

[Guodong Xu]

From: Leo Yan <leo.yan@linaro.org>

This patch adds the L2 cache topology on 96boards Hikey960.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 8921310..1cdd03b 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -58,6 +58,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
 			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
@@ -66,6 +67,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x1>;
 			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
 			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
@@ -74,6 +76,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x2>;
 			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
 			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
@@ -82,6 +85,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x3>;
 			enable-method = "psci";
+			next-level-cache = <&A53_L2>;
 			cpu-idle-states = <&CPU_SLEEP &CLUSTER_SLEEP_0>;
 		};
 
@@ -90,6 +94,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x100>;
 			enable-method = "psci";
+			next-level-cache = <&A73_L2>;
 			cpu-idle-states = <
 					&CPU_NAP
 					&CPU_SLEEP
@@ -102,6 +107,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x101>;
 			enable-method = "psci";
+			next-level-cache = <&A73_L2>;
 			cpu-idle-states = <
 					&CPU_NAP
 					&CPU_SLEEP
@@ -114,6 +120,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x102>;
 			enable-method = "psci";
+			next-level-cache = <&A73_L2>;
 			cpu-idle-states = <
 					&CPU_NAP
 					&CPU_SLEEP
@@ -126,6 +133,7 @@
 			device_type = "cpu";
 			reg = <0x0 0x103>;
 			enable-method = "psci";
+			next-level-cache = <&A73_L2>;
 			cpu-idle-states = <
 					&CPU_NAP
 					&CPU_SLEEP
@@ -171,6 +179,14 @@
 				min-residency-us = <20000>;
 			};
 		};
+
+		A53_L2: l2-cache0 {
+			compatible = "cache";
+		};
+
+		A73_L2: l2-cache1 {
+			compatible = "cache";
+		};
 	};
 
 	gic: interrupt-controller@e82b0000 {
-- 
2.10.2

[PATCH v2 3/9] arm64: dts: hi3660: add pmu dt node for hi3660

[Guodong Xu]

From: YiPing Xu <xuyiping@hisilicon.com>

Add pmu dt node for hi3660

Signed-off-by: YiPing Xu <xuyiping@hisilicon.com>
Signed-off-by: Zhong Kaihua <zhongkaihua@huawei.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Jumana Mundichipparakkal <jumana.mp@arm.com>
---
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 1cdd03b..5fd5686 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -202,6 +202,26 @@
 					 IRQ_TYPE_LEVEL_HIGH)>;
 	};
 
+	pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&cpu0>,
+				     <&cpu1>,
+				     <&cpu2>,
+				     <&cpu3>,
+				     <&cpu4>,
+				     <&cpu5>,
+				     <&cpu6>,
+				     <&cpu7>;
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupt-parent = <&gic>;
-- 
2.10.2

[PATCH v2 4/9] arm64: dts: hikey960: Add optee node

[Guodong Xu]

From: Victor Chong <victor.chong@linaro.org>

This patch adds op-tee node for hikey960

Signed-off-by: Victor Chong <victor.chong@linaro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index 6609b0f..b96d865 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -159,6 +159,13 @@
 		startup-delay-us = <70000>;
 		enable-active-high;
 	};
+
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
 };
 
 &i2c0 {
-- 
2.10.2

[PATCH v2 5/9] arm64: dts: hikey960: Add support for syscon-reboot-mode

[Guodong Xu]

Add support to hikey960 dts for the syscon-reboot-mode driver.

Cc: John Stultz <john.stultz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Signed-off-by: Guodong Xu <guodong.xu-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index b96d865..ce5e874 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -39,6 +39,20 @@
 		reg = <0x0 0x0 0x0 0x0>;
 	};
 
+	reboot-mode-syscon@32100000 {
+		compatible = "syscon", "simple-mfd";
+		reg = <0x0 0x32100000 0x0 0x00001000>;
+
+		reboot-mode {
+			compatible = "syscon-reboot-mode";
+			offset = <0x0>;
+
+			mode-normal	= <0x77665501>;
+			mode-bootloader	= <0x77665500>;
+			mode-recovery	= <0x77665502>;
+		};
+	};
+
 	keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
-- 
2.10.2

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[PATCH v2 6/9] arm64: dts: hikey960: Add pstore support

[Guodong Xu]

This patch reserves some memory in the DTS and sets up a
pstore device tree node to enable pstore support on HiKey960.

Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index ce5e874..7770ec7 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -39,6 +39,20 @@
 		reg = <0x0 0x0 0x0 0x0>;
 	};
 
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		ramoops@32000000 {
+			compatible = "ramoops";
+			reg = <0x0 0x32000000 0x0 0x00100000>;
+			record-size	= <0x00020000>;
+			console-size	= <0x00020000>;
+			ftrace-size	= <0x00020000>;
+		};
+	};
+
 	reboot-mode-syscon@32100000 {
 		compatible = "syscon", "simple-mfd";
 		reg = <0x0 0x32100000 0x0 0x00001000>;
-- 
2.10.2

[PATCH v2 7/9] arm64: dts: hi3660: Reset the mmc hosts

[Guodong Xu]

Add reset-names = "reset" into mmc nodes.

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 5fd5686..41841f7 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -909,6 +909,7 @@
 			clock-names = "ciu", "biu";
 			clock-frequency = <3200000>;
 			resets = <&crg_rst 0x94 18>;
+			reset-names = "reset";
 			cd-gpios = <&gpio25 3 0>;
 			hisilicon,peripheral-syscon = <&sctrl>;
 			pinctrl-names = "default";
@@ -938,6 +939,7 @@
 				 <&crg_ctrl HI3660_HCLK_GATE_SDIO0>;
 			clock-names = "ciu", "biu";
 			resets = <&crg_rst 0x94 20>;
+			reset-names = "reset";
 			card-detect-delay = <200>;
 			supports-highspeed;
 			keep-power-in-suspend;
-- 
2.10.2

[PATCH v2 8/9] arm64: dts: hikey960: change bluetooth uart max-speed to 3mbps

[Guodong Xu]

Update bluetooth UART max-speed to 3Mbps

Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index 7770ec7..fd4705c 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -230,7 +230,7 @@
 	bluetooth {
 		compatible = "ti,wl1837-st";
 		enable-gpios = <&gpio15 6 GPIO_ACTIVE_HIGH>;
-		max-speed = <921600>;
+		max-speed = <3000000>;
 	};
 };
 
-- 
2.10.2

[PATCH v2 9/9] arm64: dts: hi3660: add bindings for DMA

[Guodong Xu]

From: Wang Ruyi <wangruyi@huawei.com>

Add bindings for DMA.

Signed-off-by: Wang Ruyi <wangruyi@huawei.com>
Signed-off-by: Guodong Xu <guodong.xu@linaro.org>
---
 arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index 41841f7..545d435 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
@@ -436,6 +436,19 @@
 			status = "disabled";
 		};
 
+		dma0: dma@fdf30000 {
+			compatible = "hisilicon,k3-dma-1.0";
+			reg = <0x0 0xfdf30000 0x0 0x1000>;
+			#dma-cells = <1>;
+			dma-channels = <16>;
+			dma-requests = <32>;
+			dma-min-chan = <1>;
+			interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&crg_ctrl HI3660_CLK_GATE_DMAC>;
+			dma-no-cci;
+			dma-type = "hi3660_dma";
+		};
+
 		rtc0: rtc@fff04000 {
 			compatible = "arm,pl031", "arm,primecell";
 			reg = <0x0 0Xfff04000 0x0 0x1000>;
-- 
2.10.2