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Sat, 23 Apr 2022 04:32:38 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1650652314; bh=Cymelfm0dfRc/xEvMKwoybWU1kDdiYfz3b2fHT5KUdI=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date:In-Reply-To:References; b=cPN+9d+KbcFfP/Rabi8abyM/lXhmut/YEfqQF/KKYe2vO9BaszkCjkmVRutdyGQ7Z tKFdYd9s7CKqIZ9bjA5VZvWMt/wULcqeL4QYd+usExVGqBP9UsYKnWQAglXfZNPMdR ZMm9jBtQuqFZwAlSn+yltkhrv6gXwPsuLW7r7YlE= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([87.78.190.74]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MaJ3t-1nNDlX1HTp-00WIyP; Fri, 22 Apr 2022 20:31:54 +0200 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-clk@vger.kernel.org, openbmc@lists.ozlabs.org Subject: [PATCH 4/7] dt-bindings: clock: Add Nuvoton WPCM450 clock/reset controller Date: Fri, 22 Apr 2022 20:30:09 +0200 Message-Id: <20220422183012.444674-5-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220422183012.444674-1-j.neuschaefer@gmx.net> References: <20220422183012.444674-1-j.neuschaefer@gmx.net> MIME-Version: 1.0 X-Provags-ID: V03:K1:vVjrm1cK8AXlnpuGK08RSnmA6OQJ45C2q8UnLt+ebe9CliGV0GN Ti2LnJqA3CI0GUJriFLVzIgrC/GGhXhNMKKv5axP3W5W5BC44FV5INXkhXh9NVzreAFDXxf hYXaumjri/r402YVm6eqffixmakJCzbvAgc+taVHDAyxrjDdf0CQZBv5XXpMOXqvZrkmJI7 35zbHFwBeKYBTxHW9dkrg== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:tmZlAaWyGqM=:tw+2mnx7bshlkK7ct+VSf1 JvEH74Z+si9qk/83YOPxFfZijnszwjKiBP8GsoEO25kCZLpJS3Qa6+xUsvJuCRhBJtyFdSeFJ bYmYkWwXQjAy7GY1ZaUorzwzIjwS672Y3GtrzGEcxTN2y4YBhK0bHEn7obU1bcHu6/iMgKuqo Nl3hut7pxJ0XJM4DzBTQgGYi3d+NMS+YaZ9yp5iMlDxPolb1RESlEACZlxEmGJ0O7CRcNc0Uj 2nMJ7/U5ZtiiZy/I76qc9RWNo17wecpGpeIfFlFE2rro0bkNV0932htBmY9lut170+xVGq0LN 5cA/PiSOhn6OI+yIDVDaRPnaixe4w6GjZOpF7SfTTDqjQEMBf8tF28/N7dvMR5y4/tfp8KdSk 1KVfG3Ffg+ZnvBzYfpcw6Ik0IEQgUb71H68tJkGhpHV1gH+WC+6Rn5wkUE8kVh8gz+SQs7v9Z GuR1MCAaBd90q0l5lhoj49tP7sTOExHzYQCAUD7bfsg0I59pnS444+2nRikNR9Tea1CO4/1xb KxAzQxPkpf9QtRl8aObOdBDYD+tWrhIbMG0PWgouzSGV7K9vLnIpn0ckNlvoRDPCqfj95Okqc RWPA4odSF8/R+jm9ZN0OifrnDR/hZ5CBwappKUKKIhgp9kXIzoKYntRVVS1Vsjh19Yd7AbLZ4 ReQj+aIm+OlLTUnkISApdZpvGHRbsULY28lRtJD+LvzhjHT+E9EYvD7NLItHgcXaNV0/N5gT2 qzWi6312mFz9z2wAm8Azc9M5limwNIVUCWvjMyxodX4RfAjD1TnkUoL8hRH5JInQulC521EDA xcKOKr5Xsx+ezybIMEn/YsQPEf8NhLx6jI3TPMTU8uyx3FhQGCsRRIn/j7Vk3NL7aIKg9VWz9 VBWHvXPi4glo+99R4aTZeb3mYZv/TjCcxVhLdSBvLMiyUW8NSFbCAGeqvDemVv6i3whCmF2wp gsqRiE0bPs6Q0IRiyk/8IP4Dzd6cwbWjqB2cz1BsxgwvzXste4l6Kl2GgcAJp+hdA2b17GJ4j MYamUFzjKRvJobgiOzdh9cN0Ep+9xgdWMirxaBl826IOscvBFmOd3bcvDC2USxEoxOwhCkKut 87llxlHnOJRtNA= X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Wim Van Sebroeck , linux-watchdog@vger.kernel.org, Stephen Boyd , Patrick Venture , Michael Turquette , Daniel Lezcano , linux-kernel@vger.kernel.org, =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Avi Fishman , Rob Herring , Benjamin Fair , Philipp Zabel , Krzysztof Kozlowski , Tali Perry , Thomas Gleixner , Guenter Roeck , Tomer Maimon Errors-To: openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "openbmc" The Nuvoton WPCM450 SoC has a combined clock and reset controller. Add a devicetree binding for it, as well as definitions for the bit numbers used by it. Signed-off-by: Jonathan Neuschäfer --- .../bindings/clock/nuvoton,wpcm450-clk.yaml | 74 +++++++++++++++++++ .../dt-bindings/clock/nuvoton,wpcm450-clk.h | 67 +++++++++++++++++ 2 files changed, 141 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/nuvoton,wpcm450-clk.yaml create mode 100644 include/dt-bindings/clock/nuvoton,wpcm450-clk.h -- 2.35.1 diff --git a/Documentation/devicetree/bindings/clock/nuvoton,wpcm450-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,wpcm450-clk.yaml new file mode 100644 index 0000000000000..0fffa8a68dee4 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/nuvoton,wpcm450-clk.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/nuvoton,wpcm450-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton WPCM450 clock controller binding + +maintainers: + - Jonathan Neuschäfer + +description: + This binding describes the clock controller of the Nuvoton WPCM450 SoC, which + supplies clocks and resets to the rest of the chip. + +properties: + compatible: + const: nuvoton,wpcm450-clk + + reg: + maxItems: 1 + + clocks: + items: + - description: Reference clock oscillator (should be 48 MHz) + + clock-names: + items: + - const: refclk + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + +additionalProperties: false + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + +examples: + - | + #include + #include + + refclk: clock-48mhz { + /* 48 MHz reference oscillator */ + compatible = "fixed-clock"; + clock-output-names = "refclk"; + clock-frequency = <48000000>; + #clock-cells = <0>; + }; + + clk: clock-controller@b0000200 { + reg = <0xb0000200 0x100>; + compatible = "nuvoton,wpcm450-clk"; + clocks = <&refclk>; + clock-names = "refclk"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + + serial@b8000000 { + compatible = "nuvoton,wpcm450-uart"; + reg = <0xb8000000 0x20>; + reg-shift = <2>; + interrupts = <7 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk WPCM450_CLK_UART0>; + }; diff --git a/include/dt-bindings/clock/nuvoton,wpcm450-clk.h b/include/dt-bindings/clock/nuvoton,wpcm450-clk.h new file mode 100644 index 0000000000000..86e1c895921b7 --- /dev/null +++ b/include/dt-bindings/clock/nuvoton,wpcm450-clk.h @@ -0,0 +1,67 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ + +#ifndef _DT_BINDINGS_CLOCK_NUVOTON_WPCM450_CLK_H +#define _DT_BINDINGS_CLOCK_NUVOTON_WPCM450_CLK_H + +/* Clocks based on CLKEN bits */ +#define WPCM450_CLK_FIU 0 +#define WPCM450_CLK_XBUS 1 +#define WPCM450_CLK_KCS 2 +#define WPCM450_CLK_SHM 4 +#define WPCM450_CLK_USB1 5 +#define WPCM450_CLK_EMC0 6 +#define WPCM450_CLK_EMC1 7 +#define WPCM450_CLK_USB0 8 +#define WPCM450_CLK_PECI 9 +#define WPCM450_CLK_AES 10 +#define WPCM450_CLK_UART0 11 +#define WPCM450_CLK_UART1 12 +#define WPCM450_CLK_SMB2 13 +#define WPCM450_CLK_SMB3 14 +#define WPCM450_CLK_SMB4 15 +#define WPCM450_CLK_SMB5 16 +#define WPCM450_CLK_HUART 17 +#define WPCM450_CLK_PWM 18 +#define WPCM450_CLK_TIMER0 19 +#define WPCM450_CLK_TIMER1 20 +#define WPCM450_CLK_TIMER2 21 +#define WPCM450_CLK_TIMER3 22 +#define WPCM450_CLK_TIMER4 23 +#define WPCM450_CLK_MFT0 24 +#define WPCM450_CLK_MFT1 25 +#define WPCM450_CLK_WDT 26 +#define WPCM450_CLK_ADC 27 +#define WPCM450_CLK_SDIO 28 +#define WPCM450_CLK_SSPI 29 +#define WPCM450_CLK_SMB0 30 +#define WPCM450_CLK_SMB1 31 + +/* Other clocks */ +#define WPCM450_CLK_USBPHY 32 + +#define WPCM450_NUM_CLKS 33 + +/* Resets based on IPSRST bits */ +#define WPCM450_RESET_FIU 0 +#define WPCM450_RESET_EMC0 6 +#define WPCM450_RESET_EMC1 7 +#define WPCM450_RESET_USB0 8 +#define WPCM450_RESET_USB1 9 +#define WPCM450_RESET_AES_PECI 10 +#define WPCM450_RESET_UART 11 +#define WPCM450_RESET_MC 12 +#define WPCM450_RESET_SMB2 13 +#define WPCM450_RESET_SMB3 14 +#define WPCM450_RESET_SMB4 15 +#define WPCM450_RESET_SMB5 16 +#define WPCM450_RESET_PWM 18 +#define WPCM450_RESET_TIMER 19 +#define WPCM450_RESET_ADC 27 +#define WPCM450_RESET_SDIO 28 +#define WPCM450_RESET_SSPI 29 +#define WPCM450_RESET_SMB0 30 +#define WPCM450_RESET_SMB1 31 + +#define WPCM450_NUM_RESETS 32 + +#endif /* _DT_BINDINGS_CLOCK_NUVOTON_WPCM450_CLK_H */