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Mon, 15 Jan 2024 23:21:23 -0800 (PST) Received: from localhost.localdomain ([122.8.183.87]) by smtp.gmail.com with ESMTPSA id ds13-20020a0568306c0d00b006e0c65ba0b4sm253289otb.13.2024.01.15.23.21.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Jan 2024 23:21:23 -0800 (PST) From: Chen Wang To: aou@eecs.berkeley.edu, chao.wei@sophgo.com, conor@kernel.org, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, palmer@dabbelt.com, paul.walmsley@sifive.com, richardcochran@gmail.com, robh+dt@kernel.org, sboyd@kernel.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, haijiao.liu@sophgo.com, xiaoguang.xing@sophgo.com, guoren@kernel.org, jszhang@kernel.org, inochiama@outlook.com, samuel.holland@sifive.com Cc: Chen Wang Subject: [PATCH v8 2/5] dt-bindings: soc: sophgo: Add Sophgo system control module Date: Tue, 16 Jan 2024 15:21:15 +0800 Message-Id: <598b1026fdf9989bc48e5e10d1034b37947d3b80.1705388518.git.unicorn_wang@outlook.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788230709219418748 X-GMAIL-MSGID: 1788230709219418748 From: Chen Wang Add documentation to describe Sophgo System Control for SG2042. Signed-off-by: Chen Wang --- .../soc/sophgo/sophgo,sg2042-sysctrl.yaml | 46 +++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml new file mode 100644 index 000000000000..7b50bb56b4cf --- /dev/null +++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml @@ -0,0 +1,46 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,sg2042-sysctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo SG2042 SoC system control + +maintainers: + - Chen Wang + +description: + The Sophgo system control is a registers block (SYS_CTRL), providing multiple + low level platform functions like chip configuration, clock control, etc. + +properties: + compatible: + const: sophgo,sg2042-sysctrl + + reg: + maxItems: 1 + + clock-controller: + # Child node + $ref: /schemas/clock/sophgo,sg2042-sysclk.yaml# + type: object + +required: + - compatible + - reg + - clock-controller + +additionalProperties: false + +examples: + - | + system-control@30010000 { + compatible = "sophgo,sg2042-sysctrl"; + reg = <0x30010000 0x1000>; + + clock-controller { + compatible = "sophgo,sg2042-sysclk"; + clocks = <&cgi_main>, <&cgi_dpll0>, <&cgi_dpll1>; + #clock-cells = <1>; + }; + };