diff mbox series

[v2,1/3] arm64: dts: renesas: rzg2ul-smarc-som: Enable serial NOR flash

Message ID 20230831063635.2816-2-biju.das.jz@bp.renesas.com (mailing list archive)
State Handled Elsewhere
Delegated to: Conor Dooley
Headers show
Series Enable 4-bit tx support | expand

Commit Message

Biju Das Aug. 31, 2023, 6:36 a.m. UTC
Enable Renesas at25ql128a flash connected to QSPI0. Also disable
the node from rzfive-smarc-som as it is untested.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
---
v1->v2:
 * Enabled 4-bit tx support
---
 .../boot/dts/renesas/rzg2ul-smarc-som.dtsi    | 44 +++++++++++++++++++
 .../boot/dts/renesas/rzfive-smarc-som.dtsi    |  4 ++
 2 files changed, 48 insertions(+)

Comments

Geert Uytterhoeven Aug. 31, 2023, 5:31 p.m. UTC | #1
Hi Biju,

On Thu, Aug 31, 2023 at 8:36 AM Biju Das <biju.das.jz@bp.renesas.com> wrote:
> Enable Renesas at25ql128a flash connected to QSPI0. Also disable
> the node from rzfive-smarc-som as it is untested.
>
> Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> ---
> v1->v2:
>  * Enabled 4-bit tx support

Thanks for the update!

> --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
> +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
> @@ -179,6 +179,18 @@ eth1_pins: eth1 {
>                          <RZG2L_PORT_PINMUX(18, 5, 1)>; /* IRQ7 */
>         };
>
> +       qspi0_pins: qspi0 {
> +               qspi0-data {
> +                       pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3";
> +                       power-source = <1800>;
> +               };
> +
> +               qspi0-ctrl {
> +                       pins = "QSPI0_SPCLK", "QSPI0_SSL";
> +                       power-source = <1800>;
> +               };
> +       };

From the v1 review comments:

> > I guess there is no need for the subnodes, as all pins use the same power-
> > source value?
>
> OK, will remove subnode.

Oops...

The rest LGTM.

Gr{oetje,eeting}s,

                        Geert
Biju Das Sept. 1, 2023, 7:05 a.m. UTC | #2
Hi Geert Uytterhoeven,

Thanks for the feedback.

> Subject: Re: [PATCH v2 1/3] arm64: dts: renesas: rzg2ul-smarc-som: Enable
> serial NOR flash
> 
> Hi Biju,
> 
> On Thu, Aug 31, 2023 at 8:36 AM Biju Das <biju.das.jz@bp.renesas.com>
> wrote:
> > Enable Renesas at25ql128a flash connected to QSPI0. Also disable the
> > node from rzfive-smarc-som as it is untested.
> >
> > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
> > ---
> > v1->v2:
> >  * Enabled 4-bit tx support
> 
> Thanks for the update!
> 
> > --- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
> > +++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
> > @@ -179,6 +179,18 @@ eth1_pins: eth1 {
> >                          <RZG2L_PORT_PINMUX(18, 5, 1)>; /* IRQ7 */
> >         };
> >
> > +       qspi0_pins: qspi0 {
> > +               qspi0-data {
> > +                       pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2",
> "QSPI0_IO3";
> > +                       power-source = <1800>;
> > +               };
> > +
> > +               qspi0-ctrl {
> > +                       pins = "QSPI0_SPCLK", "QSPI0_SSL";
> > +                       power-source = <1800>;
> > +               };
> > +       };
> 
> From the v1 review comments:
> 
> > > I guess there is no need for the subnodes, as all pins use the same
> > > power- source value?
> >
> > OK, will remove subnode.
> 
> Oops...

OK will send V3.

Cheers,
Biju
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
index 97cdad2a12e2..b9e4e476ff7b 100644
--- a/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi
@@ -179,6 +179,18 @@  eth1_pins: eth1 {
 			 <RZG2L_PORT_PINMUX(18, 5, 1)>; /* IRQ7 */
 	};
 
+	qspi0_pins: qspi0 {
+		qspi0-data {
+			pins = "QSPI0_IO0", "QSPI0_IO1", "QSPI0_IO2", "QSPI0_IO3";
+			power-source = <1800>;
+		};
+
+		qspi0-ctrl {
+			pins = "QSPI0_SPCLK", "QSPI0_SSL";
+			power-source = <1800>;
+		};
+	};
+
 	sdhi0_emmc_pins: sd0emmc {
 		sd0_emmc_data {
 			pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3",
@@ -230,6 +242,38 @@  sd0_mux_uhs {
 	};
 };
 
+&sbc {
+	pinctrl-0 = <&qspi0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+
+		spi-cpol;
+		spi-cpha;
+		m25p,fast-read;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			boot@0 {
+				reg = <0x00000000 0x200000>;
+				read-only;
+			};
+			user@200000 {
+				reg = <0x200000 0xE00000>;
+			};
+		};
+	};
+};
+
 #if (SW_SW0_DEV_SEL)
 &sdhi0 {
 	pinctrl-0 = <&sdhi0_emmc_pins>;
diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
index c62debc7ca7e..0c9d72c32879 100644
--- a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
+++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
@@ -42,6 +42,10 @@  phy1: ethernet-phy@7 {
 	};
 };
 
+&sbc {
+	status = "disabled";
+};
+
 &sdhi0 {
 	status = "disabled";
 };