From: Jamin Lin <jamin_lin@aspeedtech.com> To: "Rob Herring" <robh+dt@kernel.org>, "Joel Stanley" <joel@jms.id.au>, "Andrew Jeffery" <andrew@aj.id.au>, "Philipp Zabel" <p.zabel@pengutronix.de>, "Wolfram Sang" <wsa+renesas@sang-engineering.com>, "Arnd Bergmann" <arnd@arndb.de>, "Jean Delvare" <jdelvare@suse.de>, "Jarkko Nikula" <jarkko.nikula@linux.intel.com>, "Geert Uytterhoeven" <geert+renesas@glider.be>, "Krzysztof Kozlowski" <krzysztof.kozlowski@canonical.com>, "Khalil Blaiech" <kblaiech@mellanox.com>, "Yicong Yang" <yangyicong@hisilicon.com>, "Bence Csókás" <bence98@sch.bme.hu>, "Mike Rapoport" <rppt@kernel.org>, "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>, "Linus Walleij" <linus.walleij@linaro.org>, "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>, "Ryan Chen" <ryan_chen@aspeedtech.com>, "open list:I2C SUBSYSTEM HOST DRIVERS" <linux-i2c@vger.kernel.org>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@vger.kernel.org>, "moderated list:ARM/ASPEED MACHINE SUPPORT" <linux-arm-kernel@lists.infradead.org>, "moderated list:ARM/ASPEED MACHINE SUPPORT" <linux-aspeed@lists.ozlabs.org>, "open list" <linux-kernel@vger.kernel.org> Cc: <chiawei_wang@aspeedtech.com>, <troy_lee@aspeedtech.com>, <steven_lee@aspeedtech.com> Subject: [PATCH 2/3] dt-bindings: i2c-new: Add bindings for AST2600 I2C Date: Thu, 17 Jun 2021 17:43:39 +0800 [thread overview] Message-ID: <20210617094424.27123-3-jamin_lin@aspeedtech.com> (raw) In-Reply-To: <20210617094424.27123-1-jamin_lin@aspeedtech.com> AST2600 support the new register set of I2C controller Add bindings document to support the new driver of I2C Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> --- .../bindings/i2c/aspeed,new-i2c.yaml | 107 ++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml new file mode 100644 index 000000000000..2c264596b138 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml @@ -0,0 +1,107 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/aspeed,new-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED I2C on the AST26XX SoCs Device Tree Bindings + +description: | + ASPEED I2C controller support the new register set since AST26XX + The i2c-global-regs device is used to enable new register set + +maintainers: + - Ryan Chen <ryan_chen@aspeedtech.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - aspeed,ast2600-i2c-bus + - items: + - enum: + - aspeed,ast2600-i2c-global + - const: syscon + + reg: + minItems: 1 + maxItems: 2 + items: + - description: address offset and range of bus + - description: address offset and range of bus buffer + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: + root clock of bus, should reference the APB + clock in the second cell + + resets: + maxItems: 1 + + bus-frequency: + minimum: 100 + maximum: 5000000 + default: 100000 + description: frequency of the bus clock in Hz defaults to 100 kHz when not + specified + + multi-master: + type: boolean + description: + states that there is another master active on this bus + + buff-mode: + type: boolean + description: + buffer mode data transfer + + byte-mode: + type: boolean + description: + byte mode tata transfer + + smbus-alert: + type: boolean + description: + smbus alert protocol + +required: + - reg + - compatible + - clocks + - resets + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h> + #include <dt-bindings/clock/ast2600-clock.h> + + i2c_gr: i2c-global-regs@0 { + compatible = "aspeed,ast2600-i2c-global", "syscon"; + reg = <0x0 0x20>; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + }; + + i2c0: i2c-bus@80 { + compatible = "aspeed,ast2600-i2c-bus"; + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <1>; + reg = <0x80 0x80>, <0xC00 0x20>; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + bus-frequency = <100000>; + }; -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Jamin Lin <jamin_lin@aspeedtech.com> To: "Rob Herring" <robh+dt@kernel.org>, "Joel Stanley" <joel@jms.id.au>, "Andrew Jeffery" <andrew@aj.id.au>, "Philipp Zabel" <p.zabel@pengutronix.de>, "Wolfram Sang" <wsa+renesas@sang-engineering.com>, "Arnd Bergmann" <arnd@arndb.de>, "Jean Delvare" <jdelvare@suse.de>, "Jarkko Nikula" <jarkko.nikula@linux.intel.com>, "Geert Uytterhoeven" <geert+renesas@glider.be>, "Krzysztof Kozlowski" <krzysztof.kozlowski@canonical.com>, "Khalil Blaiech" <kblaiech@mellanox.com>, "Yicong Yang" <yangyicong@hisilicon.com>, "Bence Csókás" <bence98@sch.bme.hu>, "Mike Rapoport" <rppt@kernel.org>, "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>, "Linus Walleij" <linus.walleij@linaro.org>, "Andy Shevchenko" <andriy.shevchenko@linux.intel.com>, "Ryan Chen" <ryan_chen@aspeedtech.com>, "open list:I2C SUBSYSTEM HOST DRIVERS" <linux-i2c@vger.kernel.org>, "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" <devicetree@vger.kernel.org>, "moderated list:ARM/ASPEED MACHINE SUPPORT" <linux-arm-kernel@lists.infradead.org>, "moderated list:ARM/ASPEED MACHINE SUPPORT" <linux-aspeed@lists.ozlabs.org>, "open list" <linux-kernel@vger.kernel.org> Cc: <chiawei_wang@aspeedtech.com>, <troy_lee@aspeedtech.com>, <steven_lee@aspeedtech.com> Subject: [PATCH 2/3] dt-bindings: i2c-new: Add bindings for AST2600 I2C Date: Thu, 17 Jun 2021 17:43:39 +0800 [thread overview] Message-ID: <20210617094424.27123-3-jamin_lin@aspeedtech.com> (raw) In-Reply-To: <20210617094424.27123-1-jamin_lin@aspeedtech.com> AST2600 support the new register set of I2C controller Add bindings document to support the new driver of I2C Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com> --- .../bindings/i2c/aspeed,new-i2c.yaml | 107 ++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml diff --git a/Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml new file mode 100644 index 000000000000..2c264596b138 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/aspeed,new-i2c.yaml @@ -0,0 +1,107 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/aspeed,new-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED I2C on the AST26XX SoCs Device Tree Bindings + +description: | + ASPEED I2C controller support the new register set since AST26XX + The i2c-global-regs device is used to enable new register set + +maintainers: + - Ryan Chen <ryan_chen@aspeedtech.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + oneOf: + - items: + - enum: + - aspeed,ast2600-i2c-bus + - items: + - enum: + - aspeed,ast2600-i2c-global + - const: syscon + + reg: + minItems: 1 + maxItems: 2 + items: + - description: address offset and range of bus + - description: address offset and range of bus buffer + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + description: + root clock of bus, should reference the APB + clock in the second cell + + resets: + maxItems: 1 + + bus-frequency: + minimum: 100 + maximum: 5000000 + default: 100000 + description: frequency of the bus clock in Hz defaults to 100 kHz when not + specified + + multi-master: + type: boolean + description: + states that there is another master active on this bus + + buff-mode: + type: boolean + description: + buffer mode data transfer + + byte-mode: + type: boolean + description: + byte mode tata transfer + + smbus-alert: + type: boolean + description: + smbus alert protocol + +required: + - reg + - compatible + - clocks + - resets + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/interrupt-controller/aspeed-scu-ic.h> + #include <dt-bindings/clock/ast2600-clock.h> + + i2c_gr: i2c-global-regs@0 { + compatible = "aspeed,ast2600-i2c-global", "syscon"; + reg = <0x0 0x20>; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + }; + + i2c0: i2c-bus@80 { + compatible = "aspeed,ast2600-i2c-bus"; + #address-cells = <1>; + #size-cells = <0>; + #interrupt-cells = <1>; + reg = <0x80 0x80>, <0xC00 0x20>; + clocks = <&syscon ASPEED_CLK_APB2>; + resets = <&syscon ASPEED_RESET_I2C>; + interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH>; + bus-frequency = <100000>; + }; -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-17 9:46 UTC|newest] Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-17 9:43 [PATCH 0/3] *** Support ASPEED AST2600 I2C *** Jamin Lin 2021-06-17 9:43 ` Jamin Lin 2021-06-17 9:43 ` [PATCH 1/3] dts: aspeed: Add node for AST2600 I2C and I2CS Jamin Lin 2021-06-17 9:43 ` Jamin Lin 2021-06-17 9:43 ` Jamin Lin [this message] 2021-06-17 9:43 ` [PATCH 2/3] dt-bindings: i2c-new: Add bindings for AST2600 I2C Jamin Lin 2021-06-24 21:28 ` Rob Herring 2021-06-24 21:28 ` Rob Herring 2021-06-17 9:43 ` [PATCH 3/3] i2c:support new register set for ast2600 Jamin Lin 2021-06-17 9:43 ` Jamin Lin 2021-06-17 10:33 ` Andy Shevchenko 2021-06-17 10:33 ` Andy Shevchenko 2021-06-18 3:53 ` Jamin Lin 2021-06-18 3:53 ` Jamin Lin 2021-06-18 9:59 ` Andy Shevchenko 2021-06-18 9:59 ` Andy Shevchenko 2021-06-21 5:13 ` Jamin Lin 2021-06-21 5:13 ` Jamin Lin 2021-06-17 10:36 ` Andy Shevchenko 2021-06-17 10:36 ` Andy Shevchenko 2021-06-18 3:58 ` Jamin Lin 2021-06-18 3:58 ` Jamin Lin 2021-06-18 10:00 ` Andy Shevchenko 2021-06-18 10:00 ` Andy Shevchenko 2021-06-21 5:14 ` Jamin Lin 2021-06-21 5:14 ` Jamin Lin 2021-06-17 14:48 ` kernel test robot
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