From: Damien Le Moal <damien.lemoal@wdc.com>
To: Palmer Dabbelt <palmer@dabbelt.com>,
linux-riscv@lists.infradead.org, Rob Herring <robh+dt@kernel.org>,
devicetree@vger.kernel.org, Stephen Boyd <sboyd@kernel.org>,
linux-clk@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>,
linux-gpio@vger.kernel.org,
Philipp Zabel <p.zabel@pengutronix.de>
Cc: Sean Anderson <seanga2@gmail.com>
Subject: [PATCH v6 11/22] dt-binding: mfd: Document canaan,k210-sysctl bindings
Date: Wed, 9 Dec 2020 14:34:55 +0900 [thread overview]
Message-ID: <20201209053506.122582-12-damien.lemoal@wdc.com> (raw)
In-Reply-To: <20201209053506.122582-1-damien.lemoal@wdc.com>
Document the device tree bindings of the Canaan Kendryte K210 SoC
system controller driver in
Documentation/devicetree/bindings/mfd/canaan,k210-sysctl.yaml.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
---
.../bindings/mfd/canaan,k210-sysctl.yaml | 116 ++++++++++++++++++
1 file changed, 116 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/canaan,k210-sysctl.yaml
diff --git a/Documentation/devicetree/bindings/mfd/canaan,k210-sysctl.yaml b/Documentation/devicetree/bindings/mfd/canaan,k210-sysctl.yaml
new file mode 100644
index 000000000000..a61d8ea4fbec
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/canaan,k210-sysctl.yaml
@@ -0,0 +1,116 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/canaan,k210-sysctl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Canaan Kendryte K210 System Controller Device Tree Bindings
+
+maintainers:
+ - Damien Le Moal <damien.lemoal@wdc.com>
+
+description:
+ Canaan Inc. Kendryte K210 SoC system controller which provides a
+ register map for controlling the clocks, reset signals and pin power
+ domains of the SoC.
+
+properties:
+ compatible:
+ allOf:
+ - items:
+ - const: canaan,k210-sysctl
+ - const: syscon
+ - const: simple-mfd
+
+ clocks:
+ description:
+ System controller Advanced Power Bus (APB) interface clock source.
+
+ clock-names:
+ maxItems: 1
+ items:
+ - const: pclk
+
+ reg:
+ maxItems: 1
+ description:
+ Offset and length of the system controller register space.
+
+ reg-io-width:
+ const: 4
+
+ clock-controller:
+ # Child node
+ type: object
+ $ref: "../clock/canaan,k210-clk.yaml"
+ description:
+ Clock controller for the SoC clocks. This child node definition
+ should follow the bindings specified in
+ Documentation/devicetree/bindings/clock/canaan,k210-clk.yaml.
+
+ reset-controller:
+ # Child node
+ type: object
+ $ref: "../reset/canaan,k210-rst.yaml"
+ description:
+ Reset controller for the SoC. This child node definition
+ should follow the bindings specified in
+ Documentation/devicetree/bindings/reset/canaan,k210-rst.yaml.
+
+ syscon-reboot:
+ # Child node
+ type: object
+ $ref: "../power/reset/syscon-reboot.yaml"
+ description:
+ Reboot method for the SoC. This child node definition
+ should follow the bindings specified in
+ Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml.
+
+required:
+ - compatible
+ - clocks
+ - reg
+ - clock-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/k210-clk.h>
+ #include <dt-bindings/reset/k210-rst.h>
+
+ clocks {
+ in0: oscllator {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <26000000>;
+ };
+ };
+
+ sysctl: syscon@50440000 {
+ compatible = "canaan,k210-sysctl",
+ "syscon", "simple-mfd";
+ reg = <0x50440000 0x100>;
+ reg-io-width = <4>;
+ clocks = <&sysclk K210_CLK_APB1>;
+ clock-names = "pclk";
+
+ sysclk: clock-controller {
+ #clock-cells = <1>;
+ compatible = "canaan,k210-clk";
+ clocks = <&in0>;
+ };
+
+ sysrst: reset-controller {
+ compatible = "canaan,k210-rst";
+ #reset-cells = <1>;
+ };
+
+ reboot: syscon-reboot {
+ compatible = "syscon-reboot";
+ regmap = <&sysctl>;
+ offset = <48>;
+ mask = <1>;
+ value = <1>;
+ };
+ };
--
2.28.0
next prev parent reply other threads:[~2020-12-09 5:38 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-09 5:34 [PATCH v6 00/22] RISC-V Kendryte K210 support improvements Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 01/22] riscv: Fix kernel time_init() Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 02/22] riscv: Fix sifive serial driver Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 03/22] riscv: Enable interrupts during syscalls with M-Mode Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 04/22] riscv: Fix builtin DTB handling Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 05/22] riscv: Use vendor name for K210 SoC support Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 06/22] riscv: cleanup Canaan Kendryte K210 sysctl driver Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 07/22] dt-bindings: Add Canaan vendor prefix Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 08/22] dt-binding: clock: Document canaan,k210-clk bindings Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 09/22] dt-bindings: reset: Document canaan,k210-rst bindings Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 10/22] dt-bindings: pinctrl: Document canaan,k210-fpioa bindings Damien Le Moal
2020-12-09 5:34 ` Damien Le Moal [this message]
2020-12-09 5:34 ` [PATCH v6 12/22] riscv: Add Canaan Kendryte K210 clock driver Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 13/22] riscv: Add Canaan Kendryte K210 reset controller Damien Le Moal
2020-12-09 13:50 ` kernel test robot
2020-12-09 5:34 ` [PATCH v6 14/22] riscv: Add Canaan Kendryte K210 FPIOA driver Damien Le Moal
2020-12-09 5:34 ` [PATCH v6 15/22] riscv: Update Canaan Kendryte K210 device tree Damien Le Moal
2020-12-09 5:35 ` [PATCH v6 16/22] riscv: Add SiPeed MAIX BiT board " Damien Le Moal
2020-12-09 5:35 ` [PATCH v6 17/22] riscv: Add SiPeed MAIX DOCK " Damien Le Moal
2020-12-09 5:35 ` [PATCH v6 18/22] riscv: Add SiPeed MAIX GO " Damien Le Moal
2020-12-09 5:35 ` [PATCH v6 19/22] riscv: Add SiPeed MAIXDUINO " Damien Le Moal
2020-12-09 5:35 ` [PATCH v6 20/22] riscv: Add Kendryte KD233 " Damien Le Moal
2020-12-09 5:35 ` [PATCH v6 21/22] riscv: Update Canaan Kendryte K210 defconfig Damien Le Moal
2020-12-09 5:35 ` [PATCH v6 22/22] riscv: Add Canaan Kendryte K210 SD card defconfig Damien Le Moal
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