linux-kernel - [PATCH v2 1/3] arm64: dts: qcom: Add PMI8996 DTSI file

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Message-Id: <20210527170409.667255-1-konrad.dybcio@somainline.org>
Date:   Thu, 27 May 2021 19:04:06 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/3] arm64: dts: qcom: Add PMI8996 DTSI file

PMI8996 is *almost* the same hardware as PMI8994, say for some annoyances:

- Boards equipped with PMI8996 now have to include pmic-id (which wasn't the case before)
- Different qpnp-ibb-discharge-resistor value (will be addressed after LABIBB is introduced)
- Different inhibit-derating-ua value (will be addressed after BCL is introduced)
- Different ramp_up_step value (will be addressed after [if?] QPNP Flash LED is introduced)

Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
---
 arch/arm64/boot/dts/qcom/pmi8996.dtsi | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/pmi8996.dtsi

diff --git a/arch/arm64/boot/dts/qcom/pmi8996.dtsi b/arch/arm64/boot/dts/qcom/pmi8996.dtsi
new file mode 100644
index 000000000000..31b47209e261
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/pmi8996.dtsi
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021, Konrad Dybcio <konrad.dybcio@...ainline.org>
+ */
+
+ /*
+  * PMI8996 is a slight modification of PMI8994 with
+  * some notable changes, like being the first PMIC
+  * whose the bootloader has to check to continue booting
+  * and a change to a LABIBB parameter.
+  */
+
+/ {
+	qcom,pmic-id = <0x20009 0x10013 0 0>;
+};
-- 
2.31.1