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Date: Thu, 05 Mar 2020 14:36:46 +0000
From: Mark Brown <broonie@...nel.org>
To: Johan Jonker <jbx6244@...il.com>
Cc: broonie@...nel.org, devicetree@...r.kernel.org, heiko@...ech.de,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-rockchip@...ts.infradead.org, linux-spi@...r.kernel.org,
Mark Brown <broonie@...nel.org>, robh+dt@...nel.org
Subject: Applied "dt-bindings: spi: convert rockchip spi bindings to yaml" to the spi tree
The patch
dt-bindings: spi: convert rockchip spi bindings to yaml
has been applied to the spi tree at
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying
to this mail.
Thanks,
Mark
>From 5de04175fa2720bacf34196275123be5f32e2b82 Mon Sep 17 00:00:00 2001
From: Johan Jonker <jbx6244@...il.com>
Date: Wed, 4 Mar 2020 19:42:01 +0100
Subject: [PATCH] dt-bindings: spi: convert rockchip spi bindings to yaml
Current dts files with 'spi' nodes are manually verified.
In order to automate this process spi-rockchip.txt
has to be converted to yaml. In the new setup
spi-rockchip.yaml will inherit properties from
spi-controller.yaml.
Add document to MAINTAINERS.
Also rk3188.dtsi, rk3288.dtsi, rk3368.dtsi and rk3399.dtsi
use an extra fallback string, so change this in the documentation.
Changed:
"rockchip,rk3188-spi", "rockchip,rk3066-spi"
"rockchip,rk3288-spi", "rockchip,rk3066-spi"
"rockchip,rk3368-spi", "rockchip,rk3066-spi"
"rockchip,rk3399-spi", "rockchip,rk3066-spi"
Signed-off-by: Johan Jonker <jbx6244@...il.com>
Link: https://lore.kernel.org/r/20200304184203.9548-1-jbx6244@gmail.com
Signed-off-by: Mark Brown <broonie@...nel.org>
---
.../devicetree/bindings/spi/spi-rockchip.txt | 58 ----------
.../devicetree/bindings/spi/spi-rockchip.yaml | 105 ++++++++++++++++++
MAINTAINERS | 1 +
3 files changed, 106 insertions(+), 58 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/spi/spi-rockchip.txt
create mode 100644 Documentation/devicetree/bindings/spi/spi-rockchip.yaml
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt b/Documentation/devicetree/bindings/spi/spi-rockchip.txt
deleted file mode 100644
index a0edac12d8df..000000000000
--- a/Documentation/devicetree/bindings/spi/spi-rockchip.txt
+++ /dev/null
@@ -1,58 +0,0 @@
-* Rockchip SPI Controller
-
-The Rockchip SPI controller is used to interface with various devices such as flash
-and display controllers using the SPI communication interface.
-
-Required Properties:
-
-- compatible: should be one of the following.
- "rockchip,rv1108-spi" for rv1108 SoCs.
- "rockchip,px30-spi", "rockchip,rk3066-spi" for px30 SoCs.
- "rockchip,rk3036-spi" for rk3036 SoCS.
- "rockchip,rk3066-spi" for rk3066 SoCs.
- "rockchip,rk3188-spi" for rk3188 SoCs.
- "rockchip,rk3228-spi" for rk3228 SoCS.
- "rockchip,rk3288-spi" for rk3288 SoCs.
- "rockchip,rk3368-spi" for rk3368 SoCs.
- "rockchip,rk3399-spi" for rk3399 SoCs.
-- reg: physical base address of the controller and length of memory mapped
- region.
-- interrupts: The interrupt number to the cpu. The interrupt specifier format
- depends on the interrupt controller.
-- clocks: Must contain an entry for each entry in clock-names.
-- clock-names: Shall be "spiclk" for the transfer-clock, and "apb_pclk" for
- the peripheral clock.
-- #address-cells: should be 1.
-- #size-cells: should be 0.
-
-Optional Properties:
-
-- dmas: DMA specifiers for tx and rx dma. See the DMA client binding,
- Documentation/devicetree/bindings/dma/dma.txt
-- dma-names: DMA request names should include "tx" and "rx" if present.
-- rx-sample-delay-ns: nanoseconds to delay after the SCLK edge before sampling
- Rx data (may need to be fine tuned for high capacitance lines).
- No delay (0) by default.
-- pinctrl-names: Names for the pin configuration(s); may be "default" or
- "sleep", where the "sleep" configuration may describe the state
- the pins should be in during system suspend. See also
- pinctrl/pinctrl-bindings.txt.
-
-
-Example:
-
- spi0: spi@...10000 {
- compatible = "rockchip,rk3066-spi";
- reg = <0xff110000 0x1000>;
- dmas = <&pdma1 11>, <&pdma1 12>;
- dma-names = "tx", "rx";
- rx-sample-delay-ns = <10>;
- #address-cells = <1>;
- #size-cells = <0>;
- interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
- clock-names = "spiclk", "apb_pclk";
- pinctrl-0 = <&spi1_pins>;
- pinctrl-1 = <&spi1_sleep>;
- pinctrl-names = "default", "sleep";
- };
diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.yaml b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
new file mode 100644
index 000000000000..bd1450c1274c
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/spi-rockchip.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip SPI Controller
+
+description:
+ The Rockchip SPI controller is used to interface with various devices such
+ as flash and display controllers using the SPI communication interface.
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+
+maintainers:
+ - Heiko Stuebner <heiko@...ech.de>
+
+# Everything else is described in the common file
+properties:
+ compatible:
+ oneOf:
+ - const: rockchip,rk3036-spi
+ - const: rockchip,rk3066-spi
+ - const: rockchip,rk3228-spi
+ - const: rockchip,rv1108-spi
+ - items:
+ - enum:
+ - rockchip,px30-spi
+ - rockchip,rk3188-spi
+ - rockchip,rk3288-spi
+ - rockchip,rk3368-spi
+ - rockchip,rk3399-spi
+ - const: rockchip,rk3066-spi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: transfer-clock
+ - description: peripheral clock
+
+ clock-names:
+ items:
+ - const: spiclk
+ - const: apb_pclk
+
+ dmas:
+ items:
+ - description: TX DMA Channel
+ - description: RX DMA Channel
+
+ dma-names:
+ items:
+ - const: tx
+ - const: rx
+
+ rx-sample-delay-ns:
+ default: 0
+ description:
+ Nano seconds to delay after the SCLK edge before sampling Rx data
+ (may need to be fine tuned for high capacitance lines).
+ If not specified 0 will be used.
+
+ pinctrl-names:
+ minItems: 1
+ items:
+ - const: default
+ - const: sleep
+ description:
+ Names for the pin configuration(s); may be "default" or "sleep",
+ where the "sleep" configuration may describe the state
+ the pins should be in during system suspend.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3188-cru-common.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ spi0: spi@...10000 {
+ compatible = "rockchip,rk3066-spi";
+ reg = <0xff110000 0x1000>;
+ interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
+ clock-names = "spiclk", "apb_pclk";
+ dmas = <&pdma1 11>, <&pdma1 12>;
+ dma-names = "tx", "rx";
+ pinctrl-0 = <&spi1_pins>;
+ pinctrl-1 = <&spi1_sleep>;
+ pinctrl-names = "default", "sleep";
+ rx-sample-delay-ns = <10>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 48c372e7c718..7c1080015943 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2276,6 +2276,7 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git
S: Maintained
F: Documentation/devicetree/bindings/i2c/i2c-rk3x.txt
F: Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.yaml
+F: Documentation/devicetree/bindings/spi/spi-rockchip.yaml
F: arch/arm/boot/dts/rk3*
F: arch/arm/boot/dts/rv1108*
F: arch/arm/mach-rockchip/
--
2.20.1
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