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Message-Id: <1632220746-25943-4-git-send-email-rajpat@codeaurora.org>
Date: Tue, 21 Sep 2021 16:09:01 +0530
From: Rajesh Patil <rajpat@...eaurora.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Rob Herring <robh+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, rnayak@...eaurora.org,
saiprakash.ranjan@...eaurora.org, msavaliy@....qualcomm.com,
skakit@...eaurora.org, sboyd@...nel.org, mka@...omium.org,
dianders@...omium.org, Rajesh Patil <rajpat@...eaurora.org>
Subject: [PATCH V9 3/8] arm64: dts: sc7280: Configure SPI-NOR FLASH for sc7280-idp
Add spi-nor flash node and pinctrl configurations for the SC7280 IDP.
Signed-off-by: Rajesh Patil <rajpat@...eaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@...omium.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
Changes in V9:
- No changes
Changes in V8:
- No changes
arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index 99f9ee5..37b8444 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -211,6 +211,20 @@
vcc-supply = <&vreg_l1c_1p8>;
};
+&qspi {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&qspi_clk>, <&qspi_cs0>, <&qspi_data01>;
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <37500000>;
+ spi-tx-bus-width = <2>;
+ spi-rx-bus-width = <2>;
+ };
+};
+
&qupv3_id_0 {
status = "okay";
};
@@ -288,6 +302,19 @@
/* PINCTRL - additions to nodes defined in sc7280.dtsi */
+&qspi_cs0 {
+ bias-disable;
+};
+
+&qspi_clk {
+ bias-disable;
+};
+
+&qspi_data01 {
+ /* High-Z when no transfers; nice to park the lines */
+ bias-pull-up;
+};
+
&qup_uart5_default {
tx {
pins = "gpio46";
--
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