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From: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
To: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
	<devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>
Cc: <lars@metafoo.de>, <broonie@kernel.org>, <perex@perex.cz>,
	<tiwai@suse.com>, <robh+dt@kernel.org>,
	<nicolas.ferre@microchip.com>,
	"Codrin Ciubotariu" <codrin.ciubotariu@microchip.com>
Subject: [PATCH 5/6] ARM: dts: at91: sama7g5ek: add node for PDMC0
Date: Fri, 4 Mar 2022 20:17:55 +0200	[thread overview]
Message-ID: <20220304181756.1894561-6-codrin.ciubotariu@microchip.com> (raw)
In-Reply-To: <20220304181756.1894561-1-codrin.ciubotariu@microchip.com>

SAMA7G5-EK has 4 PDM microphones connected to PDMC0. PDMC0 pinmux is in
conflict with gmac1, gmac1 being enabled by default.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
---
 arch/arm/boot/dts/at91-sama7g5ek.dts | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
index ccf9e224da78..a612a4a410c0 100644
--- a/arch/arm/boot/dts/at91-sama7g5ek.dts
+++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
@@ -14,6 +14,7 @@
 #include <dt-bindings/mfd/atmel-flexcom.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/at91.h>
+#include <dt-bindings/sound/mchp,pdmc.h>
 
 / {
 	model = "Microchip SAMA7G5-EK";
@@ -439,7 +440,7 @@ &gmac1 {
 		     &pinctrl_gmac1_mdio_default
 		     &pinctrl_gmac1_phy_irq>;
 	phy-mode = "rmii";
-	status = "okay";
+	status = "okay"; /* Conflict with pdmc0. */
 
 	ethernet-phy@0 {
 		reg = <0x0>;
@@ -453,6 +454,17 @@ &i2s0 {
 	pinctrl-0 = <&pinctrl_i2s0_default>;
 };
 
+&pdmc0 {
+	#sound-dai-cells = <0>;
+	microchip,mic-pos = <MCHP_PDMC_DS0 MCHP_PDMC_CLK_NEGATIVE>, /* MIC 1 */
+			    <MCHP_PDMC_DS1 MCHP_PDMC_CLK_NEGATIVE>, /* MIC 2 */
+			    <MCHP_PDMC_DS0 MCHP_PDMC_CLK_POSITIVE>, /* MIC 3 */
+			    <MCHP_PDMC_DS1 MCHP_PDMC_CLK_POSITIVE>; /* MIC 4 */
+	status = "disabled"; /* Conflict with gmac1. */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pdmc0_default>;
+};
+
 &pioA {
 	pinctrl_flx0_default: flx0_default {
 		pinmux = <PIN_PE3__FLEXCOM0_IO0>,
@@ -609,6 +621,13 @@ pinctrl_mikrobus1_spi: mikrobus1_spi {
 		bias-disable;
 	};
 
+	pinctrl_pdmc0_default: pdmc0_default {
+		pinmux = <PIN_PD23__PDMC0_DS0>,
+			 <PIN_PD24__PDMC0_DS1>,
+			 <PIN_PD22__PDMC0_CLK>;
+		bias_disable;
+	};
+
 	pinctrl_qspi: qspi {
 		pinmux = <PIN_PB12__QSPI0_IO0>,
 			 <PIN_PB11__QSPI0_IO1>,
-- 
2.32.0


WARNING: multiple messages have this Message-ID (diff)
From: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
To: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
	<devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>
Cc: lars@metafoo.de, nicolas.ferre@microchip.com, robh+dt@kernel.org,
	tiwai@suse.com, broonie@kernel.org,
	Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Subject: [PATCH 5/6] ARM: dts: at91: sama7g5ek: add node for PDMC0
Date: Fri, 4 Mar 2022 20:17:55 +0200	[thread overview]
Message-ID: <20220304181756.1894561-6-codrin.ciubotariu@microchip.com> (raw)
In-Reply-To: <20220304181756.1894561-1-codrin.ciubotariu@microchip.com>

SAMA7G5-EK has 4 PDM microphones connected to PDMC0. PDMC0 pinmux is in
conflict with gmac1, gmac1 being enabled by default.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
---
 arch/arm/boot/dts/at91-sama7g5ek.dts | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
index ccf9e224da78..a612a4a410c0 100644
--- a/arch/arm/boot/dts/at91-sama7g5ek.dts
+++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
@@ -14,6 +14,7 @@
 #include <dt-bindings/mfd/atmel-flexcom.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/at91.h>
+#include <dt-bindings/sound/mchp,pdmc.h>
 
 / {
 	model = "Microchip SAMA7G5-EK";
@@ -439,7 +440,7 @@ &gmac1 {
 		     &pinctrl_gmac1_mdio_default
 		     &pinctrl_gmac1_phy_irq>;
 	phy-mode = "rmii";
-	status = "okay";
+	status = "okay"; /* Conflict with pdmc0. */
 
 	ethernet-phy@0 {
 		reg = <0x0>;
@@ -453,6 +454,17 @@ &i2s0 {
 	pinctrl-0 = <&pinctrl_i2s0_default>;
 };
 
+&pdmc0 {
+	#sound-dai-cells = <0>;
+	microchip,mic-pos = <MCHP_PDMC_DS0 MCHP_PDMC_CLK_NEGATIVE>, /* MIC 1 */
+			    <MCHP_PDMC_DS1 MCHP_PDMC_CLK_NEGATIVE>, /* MIC 2 */
+			    <MCHP_PDMC_DS0 MCHP_PDMC_CLK_POSITIVE>, /* MIC 3 */
+			    <MCHP_PDMC_DS1 MCHP_PDMC_CLK_POSITIVE>; /* MIC 4 */
+	status = "disabled"; /* Conflict with gmac1. */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pdmc0_default>;
+};
+
 &pioA {
 	pinctrl_flx0_default: flx0_default {
 		pinmux = <PIN_PE3__FLEXCOM0_IO0>,
@@ -609,6 +621,13 @@ pinctrl_mikrobus1_spi: mikrobus1_spi {
 		bias-disable;
 	};
 
+	pinctrl_pdmc0_default: pdmc0_default {
+		pinmux = <PIN_PD23__PDMC0_DS0>,
+			 <PIN_PD24__PDMC0_DS1>,
+			 <PIN_PD22__PDMC0_CLK>;
+		bias_disable;
+	};
+
 	pinctrl_qspi: qspi {
 		pinmux = <PIN_PB12__QSPI0_IO0>,
 			 <PIN_PB11__QSPI0_IO1>,
-- 
2.32.0


WARNING: multiple messages have this Message-ID (diff)
From: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
To: <alsa-devel@alsa-project.org>, <linux-kernel@vger.kernel.org>,
	<devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>
Cc: lars@metafoo.de, robh+dt@kernel.org, tiwai@suse.com,
	broonie@kernel.org,
	Codrin Ciubotariu <codrin.ciubotariu@microchip.com>,
	perex@perex.cz
Subject: [PATCH 5/6] ARM: dts: at91: sama7g5ek: add node for PDMC0
Date: Fri, 4 Mar 2022 20:17:55 +0200	[thread overview]
Message-ID: <20220304181756.1894561-6-codrin.ciubotariu@microchip.com> (raw)
In-Reply-To: <20220304181756.1894561-1-codrin.ciubotariu@microchip.com>

SAMA7G5-EK has 4 PDM microphones connected to PDMC0. PDMC0 pinmux is in
conflict with gmac1, gmac1 being enabled by default.

Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
---
 arch/arm/boot/dts/at91-sama7g5ek.dts | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
index ccf9e224da78..a612a4a410c0 100644
--- a/arch/arm/boot/dts/at91-sama7g5ek.dts
+++ b/arch/arm/boot/dts/at91-sama7g5ek.dts
@@ -14,6 +14,7 @@
 #include <dt-bindings/mfd/atmel-flexcom.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/pinctrl/at91.h>
+#include <dt-bindings/sound/mchp,pdmc.h>
 
 / {
 	model = "Microchip SAMA7G5-EK";
@@ -439,7 +440,7 @@ &gmac1 {
 		     &pinctrl_gmac1_mdio_default
 		     &pinctrl_gmac1_phy_irq>;
 	phy-mode = "rmii";
-	status = "okay";
+	status = "okay"; /* Conflict with pdmc0. */
 
 	ethernet-phy@0 {
 		reg = <0x0>;
@@ -453,6 +454,17 @@ &i2s0 {
 	pinctrl-0 = <&pinctrl_i2s0_default>;
 };
 
+&pdmc0 {
+	#sound-dai-cells = <0>;
+	microchip,mic-pos = <MCHP_PDMC_DS0 MCHP_PDMC_CLK_NEGATIVE>, /* MIC 1 */
+			    <MCHP_PDMC_DS1 MCHP_PDMC_CLK_NEGATIVE>, /* MIC 2 */
+			    <MCHP_PDMC_DS0 MCHP_PDMC_CLK_POSITIVE>, /* MIC 3 */
+			    <MCHP_PDMC_DS1 MCHP_PDMC_CLK_POSITIVE>; /* MIC 4 */
+	status = "disabled"; /* Conflict with gmac1. */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pdmc0_default>;
+};
+
 &pioA {
 	pinctrl_flx0_default: flx0_default {
 		pinmux = <PIN_PE3__FLEXCOM0_IO0>,
@@ -609,6 +621,13 @@ pinctrl_mikrobus1_spi: mikrobus1_spi {
 		bias-disable;
 	};
 
+	pinctrl_pdmc0_default: pdmc0_default {
+		pinmux = <PIN_PD23__PDMC0_DS0>,
+			 <PIN_PD24__PDMC0_DS1>,
+			 <PIN_PD22__PDMC0_CLK>;
+		bias_disable;
+	};
+
 	pinctrl_qspi: qspi {
 		pinmux = <PIN_PB12__QSPI0_IO0>,
 			 <PIN_PB11__QSPI0_IO1>,
-- 
2.32.0


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2022-03-04 18:18 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-04 18:17 [PATCH 0/6] Add driver for SAMA7G5's PDMC Codrin Ciubotariu
2022-03-04 18:17 ` Codrin Ciubotariu
2022-03-04 18:17 ` Codrin Ciubotariu
2022-03-04 18:17 ` [PATCH 1/6] ASoC: dmaengine: do not use a NULL prepare_slave_config() callback Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17 ` [PATCH 2/6] ASoC: add DT bindings for Microchip PDMC Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-05 22:03   ` Krzysztof Kozlowski
2022-03-05 22:03     ` Krzysztof Kozlowski
2022-03-05 22:03     ` Krzysztof Kozlowski
2022-03-07 10:09     ` Codrin.Ciubotariu
2022-03-07 10:09       ` Codrin.Ciubotariu
2022-03-07 10:09       ` Codrin.Ciubotariu
2022-03-04 18:17 ` [PATCH 3/6] ASoC: atmel: mchp-pdmc: add PDMC driver Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17 ` [PATCH 4/6] ARM: dts: at91: sama7g5: add nodes for PDMC Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-05 22:06   ` Krzysztof Kozlowski
2022-03-05 22:06     ` Krzysztof Kozlowski
2022-03-05 22:06     ` Krzysztof Kozlowski
2022-03-04 18:17 ` Codrin Ciubotariu [this message]
2022-03-04 18:17   ` [PATCH 5/6] ARM: dts: at91: sama7g5ek: add node for PDMC0 Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17 ` [PATCH 6/6] ARM: configs: at91: sama7_defconfig: add MCHP PDMC and DMIC drivers Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu
2022-03-04 18:17   ` Codrin Ciubotariu

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