* [PATCH v2 1/4] arm64: dts: rockchip: Add DT for NanoPi M4
2019-01-14 12:05 [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support Robin Murphy
@ 2019-01-14 12:05 ` Robin Murphy
2019-01-16 21:12 ` Rob Herring
2019-01-14 12:05 ` [PATCH v2 2/4] arm64: dts: rockchip: Refine nanopi4 differences Robin Murphy
` (3 subsequent siblings)
4 siblings, 1 reply; 7+ messages in thread
From: Robin Murphy @ 2019-01-14 12:05 UTC (permalink / raw)
To: heiko
Cc: Mark Rutland, linux-rockchip, Rob Herring, linux-arm-kernel, devicetree
There are a number of subtle differences between the nanopi4 variants,
and where they disagree, the common DTSI currently follows the details
of NanoPi M4. In order to improve matters even more, let's add a
separate DTS for the M4 to which we can start splitting things out
appropriately. The third variant, NanoPi NEO4, is a lot closer to the M4
than either is to the larger T4, so arguably could get away with just
sharing the M4 DT for now (plus I have neither of the smaller boards to
actually test with).
CC: Rob Herring <robh+dt@kernel.org>
CC: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
v2: Fix the copy-paste binding thinko
.../devicetree/bindings/arm/rockchip.yaml | 6 ++++--
arch/arm64/boot/dts/rockchip/Makefile | 1 +
.../boot/dts/rockchip/rk3399-nanopi-m4.dts | 18 ++++++++++++++++++
3 files changed, 23 insertions(+), 2 deletions(-)
create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts
diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml
index bcc60c492a12..fb46fecab542 100644
--- a/Documentation/devicetree/bindings/arm/rockchip.yaml
+++ b/Documentation/devicetree/bindings/arm/rockchip.yaml
@@ -87,9 +87,11 @@ properties:
- const: firefly,roc-rk3399-pc
- const: rockchip,rk3399
- - description: FriendlyElec NanoPC-T4
+ - description: FriendlyElec NanoPi4 series boards
items:
- - const: friendlyarm,nanopc-t4
+ - enum:
+ - friendlyarm,nanopc-t4
+ - friendlyarm,nanopi-m4
- const: rockchip,rk3399
- description: GeekBuying GeekBox
diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index 1c7406111dfd..91a669378605 100644
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -17,6 +17,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-kevin.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-scarlet-inx.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-scarlet-kd.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopc-t4.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-nanopi-m4.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc.dtb
dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock960.dtb
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts
new file mode 100644
index 000000000000..8d3f0ba29c72
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * FriendlyElec NanoPi M4 board device tree source
+ *
+ * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
+ * (http://www.friendlyarm.com)
+ *
+ * Copyright (c) 2018 Collabora Ltd.
+ * Copyright (c) 2019 Arm Ltd.
+ */
+
+/dts-v1/;
+#include "rk3399-nanopi4.dtsi"
+
+/ {
+ model = "FriendlyElec NanoPi M4";
+ compatible = "friendlyarm,nanopi-m4", "rockchip,rk3399";
+};
--
2.20.1.dirty
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^ permalink raw reply related [flat|nested] 7+ messages in thread* Re: [PATCH v2 1/4] arm64: dts: rockchip: Add DT for NanoPi M4
2019-01-14 12:05 ` [PATCH v2 1/4] arm64: dts: rockchip: Add DT for NanoPi M4 Robin Murphy
@ 2019-01-16 21:12 ` Rob Herring
0 siblings, 0 replies; 7+ messages in thread
From: Rob Herring @ 2019-01-16 21:12 UTC (permalink / raw)
To: Robin Murphy
Cc: Mark Rutland, linux-rockchip, heiko, linux-arm-kernel, devicetree
On Mon, 14 Jan 2019 12:05:31 +0000, Robin Murphy wrote:
> There are a number of subtle differences between the nanopi4 variants,
> and where they disagree, the common DTSI currently follows the details
> of NanoPi M4. In order to improve matters even more, let's add a
> separate DTS for the M4 to which we can start splitting things out
> appropriately. The third variant, NanoPi NEO4, is a lot closer to the M4
> than either is to the larger T4, so arguably could get away with just
> sharing the M4 DT for now (plus I have neither of the smaller boards to
> actually test with).
>
> CC: Rob Herring <robh+dt@kernel.org>
> CC: Mark Rutland <mark.rutland@arm.com>
> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> ---
>
> v2: Fix the copy-paste binding thinko
>
> .../devicetree/bindings/arm/rockchip.yaml | 6 ++++--
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> .../boot/dts/rockchip/rk3399-nanopi-m4.dts | 18 ++++++++++++++++++
> 3 files changed, 23 insertions(+), 2 deletions(-)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts
>
Reviewed-by: Rob Herring <robh@kernel.org>
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^ permalink raw reply [flat|nested] 7+ messages in thread
* [PATCH v2 2/4] arm64: dts: rockchip: Refine nanopi4 differences
2019-01-14 12:05 [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support Robin Murphy
2019-01-14 12:05 ` [PATCH v2 1/4] arm64: dts: rockchip: Add DT for NanoPi M4 Robin Murphy
@ 2019-01-14 12:05 ` Robin Murphy
2019-01-14 12:05 ` [PATCH v2 3/4] arm64: dts: rockchip: Add NanoPC-T4 IR receiver Robin Murphy
` (2 subsequent siblings)
4 siblings, 0 replies; 7+ messages in thread
From: Robin Murphy @ 2019-01-14 12:05 UTC (permalink / raw)
To: heiko; +Cc: linux-rockchip, linux-arm-kernel, devicetree
The nanopi4 boards differ primarily in their power trees, with the main
5V and 3.3V rails having very different topologies on the smaller USB-C
powered boards vs. the 12V-powered T4, as well as minor variation in
other regulators related to various external connectors.
Additionally, the recovery key is only present on the T4 - ADC_IN1 is
simply pulled high and not exposed on the other boards - and the lowest
common denominator for MMC speed is actually HS200 according to the
vendor DTs.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
v2: No change
.../boot/dts/rockchip/rk3399-nanopc-t4.dts | 58 +++++++++++++++++++
.../boot/dts/rockchip/rk3399-nanopi-m4.dts | 48 +++++++++++++++
.../boot/dts/rockchip/rk3399-nanopi4.dtsi | 55 +-----------------
3 files changed, 107 insertions(+), 54 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
index af0bb2544709..623a03f2548a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
@@ -14,4 +14,62 @@
/ {
model = "FriendlyElec NanoPC-T4";
compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
+
+ vcc12v0_sys: vcc12v0-sys {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-max-microvolt = <12000000>;
+ regulator-min-microvolt = <12000000>;
+ regulator-name = "vcc12v0_sys";
+ };
+
+ vcc5v0_host0: vcc5v0-host0 {
+ compatible = "regulator-fixed";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-name = "vcc5v0_host0";
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ adc-keys {
+ compatible = "adc-keys";
+ io-channels = <&saradc 1>;
+ io-channel-names = "buttons";
+ keyup-threshold-microvolt = <1800000>;
+ poll-interval = <100>;
+
+ recovery {
+ label = "Recovery";
+ linux,code = <KEY_VENDOR>;
+ press-threshold-microvolt = <18000>;
+ };
+ };
+};
+
+&sdhci {
+ mmc-hs400-1_8v;
+ mmc-hs400-enhanced-strobe;
+};
+
+&u2phy0_host {
+ phy-supply = <&vcc5v0_host0>;
+};
+
+&u2phy1_host {
+ phy-supply = <&vcc5v0_host0>;
+};
+
+&vcc5v0_sys {
+ vin-supply = <&vcc12v0_sys>;
+};
+
+&vcc3v3_sys {
+ vin-supply = <&vcc12v0_sys>;
+};
+
+&vbus_typec {
+ enable-active-high;
+ gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
+ vin-supply = <&vcc5v0_sys>;
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts
index 8d3f0ba29c72..60358ab8c7df 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi-m4.dts
@@ -15,4 +15,52 @@
/ {
model = "FriendlyElec NanoPi M4";
compatible = "friendlyarm,nanopi-m4", "rockchip,rk3399";
+
+ vdd_5v: vdd-5v {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_5v";
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vcc5v0_core: vcc5v0-core {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_core";
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vdd_5v>;
+ };
+
+ vcc5v0_usb1: vcc5v0-usb1 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_usb1";
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vcc5v0_sys>;
+ };
+
+ vcc5v0_usb2: vcc5v0-usb2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_usb2";
+ regulator-always-on;
+ regulator-boot-on;
+ vin-supply = <&vcc5v0_sys>;
+ };
+};
+
+&vcc3v3_sys {
+ vin-supply = <&vcc5v0_core>;
+};
+
+&u2phy0_host {
+ phy-supply = <&vcc5v0_usb1>;
+};
+
+&u2phy1_host {
+ phy-supply = <&vcc5v0_usb2>;
+};
+
+&vbus_typec {
+ regulator-always-on;
+ vin-supply = <&vdd_5v>;
};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
index 3e8f1c10ba4f..9c723038d8f8 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
@@ -28,21 +28,6 @@
#clock-cells = <0>;
};
- vdd_5v: vdd-5v {
- compatible = "regulator-fixed";
- regulator-always-on;
- regulator-boot-on;
- regulator-name = "vdd_5v";
- };
-
- vcc5v0_core: vcc5v0-core {
- compatible = "regulator-fixed";
- regulator-always-on;
- regulator-boot-on;
- regulator-name = "vcc5v0_core";
- vin-supply = <&vdd_5v>;
- };
-
vcc3v3_sys: vcc3v3-sys {
compatible = "regulator-fixed";
regulator-always-on;
@@ -50,7 +35,6 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc3v3_sys";
- vin-supply = <&vcc5v0_core>;
};
vcc5v0_sys: vcc5v0-sys {
@@ -63,22 +47,6 @@
vin-supply = <&vdd_5v>;
};
- vcc5v0_usb1: vcc5v0-usb1 {
- compatible = "regulator-fixed";
- regulator-always-on;
- regulator-boot-on;
- regulator-name = "vcc5v0_usb1";
- vin-supply = <&vcc5v0_sys>;
- };
-
- vcc5v0_usb2: vcc5v0-usb2 {
- compatible = "regulator-fixed";
- regulator-always-on;
- regulator-boot-on;
- regulator-name = "vcc5v0_usb2";
- vin-supply = <&vcc5v0_sys>;
- };
-
/* switched by pmic_sleep */
vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {
compatible = "regulator-fixed";
@@ -105,27 +73,9 @@
vbus_typec: vbus-typec {
compatible = "regulator-fixed";
- enable-active-high;
- gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
- regulator-always-on;
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-name = "vbus_typec";
- vin-supply = <&vdd_5v>;
- };
-
- adc-keys {
- compatible = "adc-keys";
- io-channels = <&saradc 1>;
- io-channel-names = "buttons";
- keyup-threshold-microvolt = <1800000>;
- poll-interval = <100>;
-
- recovery {
- label = "Recovery";
- linux,code = <KEY_VENDOR>;
- press-threshold-microvolt = <18000>;
- };
};
gpio-keys {
@@ -590,8 +540,7 @@
&sdhci {
bus-width = <8>;
- mmc-hs400-1_8v;
- mmc-hs400-enhanced-strobe;
+ mmc-hs200-1_8v;
non-removable;
status = "okay";
};
@@ -644,7 +593,6 @@
};
&u2phy0_host {
- phy-supply = <&vcc5v0_usb1>;
status = "okay";
};
@@ -657,7 +605,6 @@
};
&u2phy1_host {
- phy-supply = <&vcc5v0_usb2>;
status = "okay";
};
--
2.20.1.dirty
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^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v2 3/4] arm64: dts: rockchip: Add NanoPC-T4 IR receiver
2019-01-14 12:05 [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support Robin Murphy
2019-01-14 12:05 ` [PATCH v2 1/4] arm64: dts: rockchip: Add DT for NanoPi M4 Robin Murphy
2019-01-14 12:05 ` [PATCH v2 2/4] arm64: dts: rockchip: Refine nanopi4 differences Robin Murphy
@ 2019-01-14 12:05 ` Robin Murphy
2019-01-14 12:05 ` [PATCH v2 4/4] arm64: dts: rockchip: 'Fix' nanopi4 uSD card detect Robin Murphy
2019-01-17 14:01 ` [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support Heiko Stuebner
4 siblings, 0 replies; 7+ messages in thread
From: Robin Murphy @ 2019-01-14 12:05 UTC (permalink / raw)
To: heiko; +Cc: linux-rockchip, linux-arm-kernel, devicetree
In common with most Rockchip reference designs, NanoPC-T4 has a passive
IR receiver connected to PWM3. In lieu of a specialised driver for
PWM-based IR pulse measurement, running the pin as a GPIO with the basic
driver works perfectly well.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
v2: No change
.../arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts b/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
index 623a03f2548a..84433cf02be9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopc-t4.dts
@@ -45,6 +45,22 @@
press-threshold-microvolt = <18000>;
};
};
+
+ ir-receiver {
+ compatible = "gpio-ir-receiver";
+ gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ir_rx>;
+ };
+};
+
+&pinctrl {
+ ir {
+ ir_rx: ir-rx {
+ /* external pullup to VCC3V3_SYS, despite being 1.8V :/ */
+ rockchip,pins = <0 RK_PA6 RK_FUNC_1 &pcfg_pull_none>;
+ };
+ };
};
&sdhci {
--
2.20.1.dirty
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^ permalink raw reply related [flat|nested] 7+ messages in thread* [PATCH v2 4/4] arm64: dts: rockchip: 'Fix' nanopi4 uSD card detect
2019-01-14 12:05 [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support Robin Murphy
` (2 preceding siblings ...)
2019-01-14 12:05 ` [PATCH v2 3/4] arm64: dts: rockchip: Add NanoPC-T4 IR receiver Robin Murphy
@ 2019-01-14 12:05 ` Robin Murphy
2019-01-17 14:01 ` [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support Heiko Stuebner
4 siblings, 0 replies; 7+ messages in thread
From: Robin Murphy @ 2019-01-14 12:05 UTC (permalink / raw)
To: heiko; +Cc: linux-rockchip, linux-arm-kernel, devicetree
For whatever reason, the sdmmc_dectn function isn't working properly
as-is, and microSD insertion and removal goes unnoticed. Using the pin
as a GPIO interrupt instead is rather noisy without any debouncing, but
is good enough to make it useful until someone feels inclined to figure
out how the vendor kernel/firmware gets the dedicated function to work
with no obvious difference in the pinmux/GRF configuration. Let's also
take the opportunity to tweak the node name so that all related pins
end up grouped together in the compiled DTB.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
---
v2: Clean up ordering
.../boot/dts/rockchip/rk3399-nanopi4.dtsi | 19 ++++++++++++-------
1 file changed, 12 insertions(+), 7 deletions(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
index 9c723038d8f8..2d304d2df62e 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-nanopi4.dtsi
@@ -501,17 +501,21 @@
};
};
- sd {
- sdmmc0_pwr_h: sdmmc0-pwr-h {
- rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
- };
- };
-
sdio-pwrseq {
wifi_reg_on_h: wifi-reg_on-h {
rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
+
+ sdmmc {
+ sdmmc0_det_l: sdmmc0-det-l {
+ rockchip,pins = <0 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+
+ sdmmc0_pwr_h: sdmmc0-pwr-h {
+ rockchip,pins = <0 RK_PA1 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
};
&pmu_io_domains {
@@ -563,9 +567,10 @@
bus-width = <4>;
cap-sd-highspeed;
cap-mmc-highspeed;
+ cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
disable-wp;
pinctrl-names = "default";
- pinctrl-0 = <&sdmmc_bus4 &sdmmc_cd &sdmmc_clk &sdmmc_cmd>;
+ pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc0_det_l>;
sd-uhs-sdr104;
vmmc-supply = <&vcc3v0_sd>;
vqmmc-supply = <&vcc_sdio>;
--
2.20.1.dirty
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^ permalink raw reply related [flat|nested] 7+ messages in thread* Re: [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support
2019-01-14 12:05 [PATCH v2 0/4] NanoPC-T4 (and a bit of NanoPi M4) support Robin Murphy
` (3 preceding siblings ...)
2019-01-14 12:05 ` [PATCH v2 4/4] arm64: dts: rockchip: 'Fix' nanopi4 uSD card detect Robin Murphy
@ 2019-01-17 14:01 ` Heiko Stuebner
4 siblings, 0 replies; 7+ messages in thread
From: Heiko Stuebner @ 2019-01-17 14:01 UTC (permalink / raw)
To: Robin Murphy; +Cc: linux-rockchip, linux-arm-kernel, devicetree
Am Montag, 14. Januar 2019, 13:05:30 CET schrieb Robin Murphy:
> Hi all,
>
> With the initial patch now queued (thankfully solving the version-number
> conundrum), here's an updated v2 of my further changes with the tweaks
> Heiko pointed out. Comparing GRF dumps didn't give any insight into the
> SD card thing, so I've kept the GPIO patch; ~100 interrupts per insertion
> is still more useful than 0!
>
> Robin.
>
>
> Robin Murphy (4):
> arm64: dts: rockchip: Add DT for NanoPi M4
> arm64: dts: rockchip: Refine nanopi4 differences
> arm64: dts: rockchip: Add NanoPC-T4 IR receiver
> arm64: dts: rockchip: 'Fix' nanopi4 uSD card detect
queued all 4 for 5.1
Thanks
Heiko
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^ permalink raw reply [flat|nested] 7+ messages in thread