linux-kernel - [PATCH v6 5/5] arm64: dts: qcom: msm8916-samsung-j5-common: Add MUIC support

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Date:   Fri, 06 Jan 2023 14:31:49 +0000
From:   "Lin, Meng-Bo" <linmengbo0689@...tonmail.com>
To:     devicetree@...r.kernel.org
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        Nikita Travkin <nikita@...n.ru>,
        Julian Ribbeck <julian.ribbeck@....de>,
        Josef W Menad <JosefWMenad@...tonmail.ch>,
        Markuss Broks <markuss.broks@...il.com>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: [PATCH v6 5/5] arm64: dts: qcom: msm8916-samsung-j5-common: Add MUIC support

From: Markuss Broks <markuss.broks@...il.com>

The MUIC installed is a part of SM5703 MFD, and it seems to work
the same as the SM5502 MUIC unit.

Signed-off-by: Markuss Broks <markuss.broks@...il.com>
[Apply for msm8916-samsung-j5x]
Signed-off-by: Lin, Meng-Bo <linmengbo0689@...tonmail.com>
---
 .../dts/qcom/msm8916-samsung-j5-common.dtsi   | 50 ++++++++++++++++---
 .../boot/dts/qcom/msm8916-samsung-j5x.dts     |  8 +++
 2 files changed, 50 insertions(+), 8 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi b/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi
index 5755b360c6ed..f3b81b6f0a2f 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-j5-common.dtsi
@@ -3,6 +3,7 @@
 #include "msm8916-pm8916.dtsi"
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	aliases {
@@ -58,6 +59,29 @@ button-home {
 			linux,code = <KEY_HOMEPAGE>;
 		};
 	};
+
+	i2c_muic: i2c-muic {
+		compatible = "i2c-gpio";
+		sda-gpios = <&msmgpio 105 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+		scl-gpios = <&msmgpio 106 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&muic_i2c_default>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		muic: extcon@25 {
+			compatible = "siliconmitus,sm5703-muic";
+			reg = <0x25>;
+
+			interrupt-parent = <&msmgpio>;
+			interrupts = <12 IRQ_TYPE_EDGE_FALLING>;
+
+			pinctrl-names = "default";
+			pinctrl-0 = <&muic_int_default>;
+		};
+	};
 };
 
 &blsp1_uart2 {
@@ -69,11 +93,6 @@ &pm8916_resin {
 	linux,code = <KEY_VOLUMEDOWN>;
 };
 
-/* FIXME: Replace with SM5703 MUIC when driver is available */
-&pm8916_usbin {
-	status = "okay";
-};
-
 &pronto {
 	status = "okay";
 };
@@ -97,13 +116,12 @@ &sdhc_2 {
 };
 
 &usb {
+	extcon = <&muic>, <&muic>;
 	status = "okay";
-	dr_mode = "peripheral";
-	extcon = <&pm8916_usbin>;
 };
 
 &usb_hs_phy {
-	extcon = <&pm8916_usbin>;
+	extcon = <&muic>;
 };
 
 &smd_rpm_regulators {
@@ -225,4 +243,20 @@ gpio_keys_default: gpio-keys-default-state {
 		drive-strength = <2>;
 		bias-pull-up;
 	};
+
+	muic_i2c_default: muic-i2c-default-state {
+		pins = "gpio105", "gpio106";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	muic_int_default: muic-int-default-state {
+		pins = "gpio12";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
 };
diff --git a/arch/arm64/boot/dts/qcom/msm8916-samsung-j5x.dts b/arch/arm64/boot/dts/qcom/msm8916-samsung-j5x.dts
index 7656ac4508cf..7e1326cc13c5 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-samsung-j5x.dts
+++ b/arch/arm64/boot/dts/qcom/msm8916-samsung-j5x.dts
@@ -9,3 +9,11 @@ / {
 	compatible = "samsung,j5x", "qcom,msm8916";
 	chassis-type = "handset";
 };
+
+&muic {
+	interrupts = <121 IRQ_TYPE_EDGE_FALLING>;
+};
+
+&muic_int_default {
+	pins = "gpio121";
+};
-- 
2.30.2