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[61.220.246.151]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70650e312e4sm7978146b3a.0.2024.06.25.05.20.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 Jun 2024 05:20:43 -0700 (PDT) From: Yang Chen To: joel@jms.id.au, andrew@codeconstruct.com.au, patrick@stwcx.xyz, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Jerry.Lin@quantatw.com, yangchen.openbmc@gmail.com Subject: [PATCH 02/17] ARM: dts: aspeed: minerva: Add spi-gpio Date: Tue, 25 Jun 2024 20:18:20 +0800 Message-Id: <20240625121835.751013-3-yangchen.openbmc@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240625121835.751013-1-yangchen.openbmc@gmail.com> References: <20240625121835.751013-1-yangchen.openbmc@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Yang Chen Add spi-gpio for TPM device. Signed-off-by: Yang Chen --- .../aspeed/aspeed-bmc-facebook-minerva.dts | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts index e20e31917d6c..7d96a3638448 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-minerva.dts @@ -22,6 +22,8 @@ aliases { i2c19 = &imux19; i2c20 = &imux20; i2c21 = &imux21; + + spi1 = &spi_gpio; }; chosen { @@ -49,6 +51,25 @@ led-fan-fault { default-state = "off"; }; }; + + spi_gpio: spi-gpio { + status = "okay"; + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + gpio-sck = <&gpio0 ASPEED_GPIO(Z, 3) GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio0 ASPEED_GPIO(Z, 4) GPIO_ACTIVE_HIGH>; + gpio-miso = <&gpio0 ASPEED_GPIO(Z, 5) GPIO_ACTIVE_HIGH>; + num-chipselects = <1>; + cs-gpios = <&gpio0 ASPEED_GPIO(Z, 0) GPIO_ACTIVE_LOW>; + + tpmdev@0 { + compatible = "infineon,slb9670", "tcg,tpm_tis-spi"; + spi-max-frequency = <33000000>; + reg = <0>; + }; + }; }; &uart6 { -- 2.34.1