diff mbox series

arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM

Message ID 20210301060518.19550-1-a-govindraju@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM | expand

Commit Message

Aswath Govindraju March 1, 2021, 6:05 a.m. UTC
Add pinmux details and device tree node for the EEPROM attached to SPI0
module in main domain.

Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
---

This patch depends on,
https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210301055109.17626-3-a-govindraju@ti.com/

 arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

Comments

Vignesh Raghavendra March 9, 2021, 2:48 p.m. UTC | #1
On 3/1/21 11:35 AM, Aswath Govindraju wrote:
> Add pinmux details and device tree node for the EEPROM attached to SPI0
> module in main domain.
> 
> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
> ---

Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>

Regards
Vignesh

> 
> This patch depends on,
> https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210301055109.17626-3-a-govindraju@ti.com/
> 
>  arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> index bfd849a29655..bc5bd7f896ab 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> @@ -139,6 +139,15 @@
>  			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
>  		>;
>  	};
> +
> +	main_spi0_pins_default: main-spi0-pins-default {
> +		pinctrl-single,pins = <
> +			AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */
> +			AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */
> +			AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */
> +			AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */
> +		>;
> +	};
>  };
>  
>  &main_uart0 {
> @@ -245,6 +254,19 @@
>  	pinctrl-0 = <&main_usb0_pins_default>;
>  };
>  
> +&main_spi0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&main_spi0_pins_default>;
> +	ti,pindir-d0-out-d1-in = <1>;
> +	eeprom@0 {
> +		compatible = "microchip,93lc46b";
> +		reg = <0>;
> +		spi-max-frequency = <1000000>;
> +		spi-cs-high;
> +		data-size = <16>;
> +	};
> +};
> +
>  &sdhci0 {
>  	/* emmc */
>  	bus-width = <8>;
>
Nishanth Menon March 9, 2021, 2:54 p.m. UTC | #2
On 20:18-20210309, Vignesh Raghavendra wrote:
> 
> 
> On 3/1/21 11:35 AM, Aswath Govindraju wrote:
> > Add pinmux details and device tree node for the EEPROM attached to SPI0
> > module in main domain.
> > 
> > Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
> > ---
> 
> Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
> 
> Regards
> Vignesh
> 
> > 
> > This patch depends on,
> > https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210301055109.17626-3-a-govindraju@ti.com/


Can you drop this dependency and rebase on top of my -next branch or
linux-next ? I am not able to apply the patch directly and would like to
avoid hand modifying the patch.

> > 
> >  arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 ++++++++++++++++++++++
> >  1 file changed, 22 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> > index bfd849a29655..bc5bd7f896ab 100644
> > --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> > @@ -139,6 +139,15 @@
> >  			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
> >  		>;
> >  	};
> > +
> > +	main_spi0_pins_default: main-spi0-pins-default {
> > +		pinctrl-single,pins = <
> > +			AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */
> > +			AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */
> > +			AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */
> > +			AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */
> > +		>;
> > +	};
> >  };
> >  
> >  &main_uart0 {
> > @@ -245,6 +254,19 @@
> >  	pinctrl-0 = <&main_usb0_pins_default>;
> >  };
> >  
> > +&main_spi0 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&main_spi0_pins_default>;
> > +	ti,pindir-d0-out-d1-in = <1>;
> > +	eeprom@0 {
> > +		compatible = "microchip,93lc46b";
> > +		reg = <0>;
> > +		spi-max-frequency = <1000000>;
> > +		spi-cs-high;
> > +		data-size = <16>;
> > +	};
> > +};
> > +
> >  &sdhci0 {
> >  	/* emmc */
> >  	bus-width = <8>;
> >
Aswath Govindraju March 9, 2021, 3:25 p.m. UTC | #3
Hi Nishanth,

On 09/03/21 8:24 pm, Nishanth Menon wrote:
> On 20:18-20210309, Vignesh Raghavendra wrote:
>>
>>
>> On 3/1/21 11:35 AM, Aswath Govindraju wrote:
>>> Add pinmux details and device tree node for the EEPROM attached to SPI0
>>> module in main domain.
>>>
>>> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
>>> ---
>>
>> Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com>
>>
>> Regards
>> Vignesh
>>
>>>
>>> This patch depends on,
>>> https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210301055109.17626-3-a-govindraju@ti.com/
> 
> 
> Can you drop this dependency and rebase on top of my -next branch or
> linux-next ? I am not able to apply the patch directly and would like to
> avoid hand modifying the patch.
> 

ok, I'll post a respin after dropping this dependency and picking up the
reviewed by.

Thanks,
Aswath

>>>
>>>  arch/arm64/boot/dts/ti/k3-am642-evm.dts | 22 ++++++++++++++++++++++
>>>  1 file changed, 22 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
>>> index bfd849a29655..bc5bd7f896ab 100644
>>> --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
>>> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
>>> @@ -139,6 +139,15 @@
>>>  			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
>>>  		>;
>>>  	};
>>> +
>>> +	main_spi0_pins_default: main-spi0-pins-default {
>>> +		pinctrl-single,pins = <
>>> +			AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */
>>> +			AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */
>>> +			AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */
>>> +			AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */
>>> +		>;
>>> +	};
>>>  };
>>>  
>>>  &main_uart0 {
>>> @@ -245,6 +254,19 @@
>>>  	pinctrl-0 = <&main_usb0_pins_default>;
>>>  };
>>>  
>>> +&main_spi0 {
>>> +	pinctrl-names = "default";
>>> +	pinctrl-0 = <&main_spi0_pins_default>;
>>> +	ti,pindir-d0-out-d1-in = <1>;
>>> +	eeprom@0 {
>>> +		compatible = "microchip,93lc46b";
>>> +		reg = <0>;
>>> +		spi-max-frequency = <1000000>;
>>> +		spi-cs-high;
>>> +		data-size = <16>;
>>> +	};
>>> +};
>>> +
>>>  &sdhci0 {
>>>  	/* emmc */
>>>  	bus-width = <8>;
>>>
>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index bfd849a29655..bc5bd7f896ab 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -139,6 +139,15 @@ 
 			AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* (E19) USB0_DRVVBUS */
 		>;
 	};
+
+	main_spi0_pins_default: main-spi0-pins-default {
+		pinctrl-single,pins = <
+			AM64X_IOPAD(0x0210, PIN_INPUT, 0) /* (D13) SPI0_CLK */
+			AM64X_IOPAD(0x0208, PIN_OUTPUT, 0) /* (D12) SPI0_CS0 */
+			AM64X_IOPAD(0x0214, PIN_OUTPUT, 0) /* (A13) SPI0_D0 */
+			AM64X_IOPAD(0x0218, PIN_INPUT, 0) /* (A14) SPI0_D1 */
+		>;
+	};
 };
 
 &main_uart0 {
@@ -245,6 +254,19 @@ 
 	pinctrl-0 = <&main_usb0_pins_default>;
 };
 
+&main_spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_spi0_pins_default>;
+	ti,pindir-d0-out-d1-in = <1>;
+	eeprom@0 {
+		compatible = "microchip,93lc46b";
+		reg = <0>;
+		spi-max-frequency = <1000000>;
+		spi-cs-high;
+		data-size = <16>;
+	};
+};
+
 &sdhci0 {
 	/* emmc */
 	bus-width = <8>;