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[108.51.35.162]) by smtp.googlemail.com with ESMTPSA id 8sm2669070qkb.98.2020.11.07.06.07.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 07 Nov 2020 06:07:06 -0800 (PST) Subject: Re: [PATCH 25/32] dt-bindings: Document kendryte,k210-rst bindings To: Damien Le Moal , Palmer Dabbelt , linux-riscv@lists.infradead.org, Rob Herring , Frank Rowand , devicetree@vger.kernel.org, Serge Semin , Mark Brown , linux-spi@vger.kernel.org, Stephen Boyd , linux-clk@vger.kernel.org, Linus Walleij , linux-gpio@vger.kernel.org, Philipp Zabel References: <20201107081420.60325-1-damien.lemoal@wdc.com> <20201107081420.60325-26-damien.lemoal@wdc.com> From: Sean Anderson Autocrypt: addr=seanga2@gmail.com; prefer-encrypt=mutual; keydata= mQENBFe74PkBCACoLC5Zq2gwrDcCkr+EPGsT14bsxrW07GiYzQhLCgwnPdEpgU95pXltbFhw 46GfyffABWxHKO2x+3L1S6ZxC5AiKbYXo7lpnTBYjamPWYouz+VJEVjUx9aaSEByBah5kX6a lKFZWNbXLAJh+dE1HFaMi3TQXXaInaREc+aO1F7fCa2zNE75ja+6ah8L4TPRFZ2HKQzve0/Y GXtoRw97qmnm3U36vKWT/m2AiLF619F4T1mHvlfjyd9hrVwjH5h/2rFyroXVXBZHGA9Aj8eN F2si35dWSZlIwXkNu9bXp0/pIu6FD0bI+BEkD5S7aH1G1iAcMFi5Qq2RNa041DfQSDDHABEB AAG0K1NlYW4gR2FsbGFnaGVyIEFuZGVyc29uIDxzZWFuZ2EyQGdtYWlsLmNvbT6JAVcEEwEK AEECGwMFCwkIBwIGFQgJCgsCBBYCAwECHgECF4ACGQEWIQSQYR1bzo1I0gPoYCg+6I/stKEQ bgUCXT+S2AUJB2TlXwAKCRA+6I/stKEQbhNOB/9ooea0hU9Sgh7PBloU6CgaC5mlqPLB7NTp +JkB+nh3Fqhk+qLZwzEynnuDLl6ESpVHIc0Ym1lyF4gT3DsrlGT1h0Gzw7vUwd1+ZfN0CuIx Rn861U/dAUjvbtN5kMBqOI4/5ea+0r7MACcIVnKF/wMXBD8eypHsorT2sJTzwZ6DRCNP70C5 N1ahpqqNmXe0uLdP0pu55JCqhrGw2SinkRMdWyhSxT56uNwIVHGhLTqH7Q4t1N6G1EH626qa SvIJsWlNpll6Y3AYLDw2/Spw/hqieS2PQ/Ky3rPZnvJt7/aSNYsKoFGX0yjkH67Uq8Lx0k1L w8jpXnbEPQN3A2ZJCbeM Message-ID: Date: Sat, 7 Nov 2020 09:07:06 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <20201107081420.60325-26-damien.lemoal@wdc.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 11/7/20 3:14 AM, Damien Le Moal wrote: > Document the device tree bindings for the Kendryte K210 SoC reset > controller driver in > Documentation/devicetree/bindings/reset/kendryte,k210-rst.yaml. > > Signed-off-by: Damien Le Moal > --- > .../bindings/reset/kendryte,k210-rst.yaml | 78 +++++++++++++++++++ > 1 file changed, 78 insertions(+) > create mode 100644 Documentation/devicetree/bindings/reset/kendryte,k210-rst.yaml > > diff --git a/Documentation/devicetree/bindings/reset/kendryte,k210-rst.yaml b/Documentation/devicetree/bindings/reset/kendryte,k210-rst.yaml > new file mode 100644 > index 000000000000..bdd0bf37bdfb > --- /dev/null > +++ b/Documentation/devicetree/bindings/reset/kendryte,k210-rst.yaml > @@ -0,0 +1,78 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/reset/kendryte,k210-rst.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Kendryte K210 Reset Controller Device Tree Bindings > + > +maintainers: > + - Damien Le Moal > + > +description: | > + Kendryte K210 reset controller driver which support the system controller > + subsystem supplied reset registers for the various peripherals within > + the SoC. > + > + See also: > + - dt-bindings/reset/k210-rst.h > + > +properties: > + compatible: > + allOf: > + - items: > + - const: kendryte,k210-rst > + - const: syscon-reset > + > + regmap: > + maxItems: 1 > + description: phandle of the system controller (sysctl) node > + > + offset: > + maxItems: 1 > + description: peripheral reset register offset in the system controller > + controller register map > + > + mask: > + maxItems: 1 > + description: bit-mask indicating valid reset bits in the reset register > + > + assert-high: > + maxItems: 1 > + description: bit value to write when asserting a reset > + > + '#reset-cells': > + const: 1 > + > +required: > + - '#reset-cells' > + - compatible > + - regmap > + - offset > + - mask > + - assert-high > + > +additionalProperties: false > + > +examples: > + - | > + #include > + #include > + > + sysctl: system-controller@50440000 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "kendryte,k210-sysctl", > + "syscon", "simple-mfd"; > + reg = <0x50440000 0x1000>; > + /* ... */ > + sysrst: reset-controller { > + compatible = "kendryte,k210-rst", > + "syscon-reset"; > + #reset-cells = <1>; > + regmap = <&sysctl>; > + offset = ; > + mask = <0x27FFFFFF>; > + assert-high = <1>; > + }; > + }; > Reviewed-by: Sean Anderson