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From: Konrad Dybcio <konrad.dybcio@somainline.org>
To: phone-devel@vger.kernel.org
Cc: ~postmarketos/upstreaming@lists.sr.ht,
	Konrad Dybcio <konrad.dybcio@somainline.org>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Gustave Monce <gustave.monce@outlook.com>
Subject: [PATCH 12/18] arm64: dts: qcom: msm8994-octagon: Configure Lattice iCE40 FPGA
Date: Sun, 31 Jan 2021 02:38:43 +0100	[thread overview]
Message-ID: <20210131013853.55810-13-konrad.dybcio@somainline.org> (raw)
In-Reply-To: <20210131013853.55810-1-konrad.dybcio@somainline.org>

From: Gustave Monce <gustave.monce@outlook.com>

Octagon devices have a Lattice iCE40 FPGA connected over SPI.
Configure it.

Signed-off-by: Gustave Monce <gustave.monce@outlook.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
---
 .../dts/qcom/msm8994-msft-lumia-octagon.dtsi  | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
index 004a42261cef..73af5265df9b 100644
--- a/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8994-msft-lumia-octagon.dtsi
@@ -304,6 +304,27 @@ &blsp1_uart2 {
 	status = "okay";
 };
 
+&blsp2_spi4 {
+	status = "okay";
+
+	/*
+	 * This device is a Lattice UC120 USB-C PD PHY.
+	 * It is actually a Lattice iCE40 FPGA pre-programmed by
+	 * the device firmware with a specific bitstream
+	 * enabling USB Type C PHY functionality.
+	 * Communication is done via a proprietary protocol over SPI.
+	 *
+	 * TODO: Once a proper driver is available, replace this.
+	 */
+	uc120: ice5lp2k@0 {
+		compatible = "lattice,ice40-fpga-mgr";
+		reg = <0>;
+		spi-max-frequency = <5000000>;
+		cdone-gpios = <&tlmm 95 GPIO_ACTIVE_HIGH>;
+		reset-gpios = <&pmi8994_gpios 4 GPIO_ACTIVE_LOW>;
+	};
+};
+
 &blsp2_uart2 {
 	status = "okay";
 
-- 
2.30.0


  parent reply	other threads:[~2021-01-31  1:43 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-31  1:38 [PATCH 00/18] 8992/4/Lumia 950/XL DTS updates Konrad Dybcio
2021-01-31  1:38 ` [PATCH 01/18] arm64: dts: qcom: msm8994: Add SMP2P nodes Konrad Dybcio
2021-01-31  1:38 ` [PATCH 02/18] arm64: dts: qcom: msm8994: Fix remaining BLSP errors/mistakes Konrad Dybcio
2021-01-31  1:38 ` [PATCH 03/18] arm64: dts: qcom: msm8994: Sort hwlock properly Konrad Dybcio
2021-01-31  1:38 ` [PATCH 04/18] arm64: dts: qcom: msm8992: Make the DT an overlay on top of 8994 Konrad Dybcio
2021-01-31  1:38 ` [PATCH 05/18] arm64: dts: qcom: msm8992/4-lumia*: Create a common DTS Konrad Dybcio
2021-01-31  1:38 ` [PATCH 06/18] arm64: dts: qcom: msm8994-octagon: Fix up the memory map Konrad Dybcio
2021-01-31  1:38 ` [PATCH 07/18] arm64: dts: qcom: msm8994-octagon: Add gpio-keys and Hall sensor Konrad Dybcio
2021-01-31  1:38 ` [PATCH 08/18] arm64: dts: qcom: msm8994-octagon: Configure regulators Konrad Dybcio
2021-01-31  1:38 ` [PATCH 09/18] arm64: dts: qcom: msm8994-octagon: Add QCA6174 bluetooth Konrad Dybcio
2021-01-31  1:38 ` [PATCH 10/18] arm64: dts: qcom: msm8994-octagon: Configure HD3SS460 Type-C mux pins Konrad Dybcio
2021-01-31  1:38 ` [PATCH 11/18] arm64: dts: qcom: msm8994-octagon: Add uSD card and disable HS400 on eMMC Konrad Dybcio
2021-02-18 13:41   ` Pavel Machek
2021-01-31  1:38 ` Konrad Dybcio [this message]
2021-02-18 13:43   ` [PATCH 12/18] arm64: dts: qcom: msm8994-octagon: Configure Lattice iCE40 FPGA Pavel Machek
2021-01-31  1:38 ` [PATCH 13/18] arm64: dts: qcom: msm8994-octagon: Configure PON keys Konrad Dybcio
2021-01-31  1:38 ` [PATCH 14/18] arm64: dts: qcom: msm8994-octagon: Add FM Radio and DDR regulator nodes Konrad Dybcio
2021-01-31  1:38 ` [PATCH 15/18] arm64: dts: qcom: msm8994-octagon: Add NXP NFC node Konrad Dybcio
2021-01-31  1:38 ` [PATCH 16/18] arm64: dts: qcom: msm8994-octagon: Add sensors on blsp1_i2c5 Konrad Dybcio
2021-01-31  1:38 ` [PATCH 17/18] arm64: dts: qcom: msm8994-octagon: Add TAS2553 codec Konrad Dybcio
2021-01-31  1:38 ` [PATCH 18/18] arm64: dts: qcom: msm8994-octagon: Add AD7147 and APDS9930 sensors Konrad Dybcio

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