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 ---
Changes in v2: - replaced included file dt-bindings/sound/mchp,pdmc.h wih dt-bindings/sound/microchip,pdmc.h
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..a1fb980d3fc1 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/microchip,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>,