| Message ID | 20220303164155.7706-4-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 6044ca8b84c1ba2d32e4a3e39b57f6bf5a107581 |
| Delegated to: | Geert Uytterhoeven |
| Headers | show |
| Series | Add I2C and Audio support for RZ/G2LC SMARC EVK | expand |
On Thu, Mar 3, 2022 at 5:42 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > Enable i2c{0,1} on RZ/G2LC SMARC EVK by deleting respective > entries from board dts and adding pincontrol entries to the > soc-pinctrl dtsi. Also enable i2c2 by adding to soc dtsi. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> > --- > v1->v2: > * No change Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> i.e. will queue in renesas-devel for v5.19. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts index dc39b05e9256..52b834205126 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts +++ b/arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts @@ -14,18 +14,6 @@ compatible = "renesas,smarc-evk", "renesas,r9a07g044c2", "renesas,r9a07g044"; }; -&i2c0 { - /delete-property/ pinctrl-0; - /delete-property/ pinctrl-names; - status = "disabled"; -}; - -&i2c1 { - /delete-property/ pinctrl-0; - /delete-property/ pinctrl-names; - status = "disabled"; -}; - &spi1 { /delete-property/ pinctrl-0; /delete-property/ pinctrl-names; diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi index 53759c3ddecb..1322e5bcd456 100644 --- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc-pinfunction.dtsi @@ -35,6 +35,21 @@ }; #endif + i2c0_pins: i2c0 { + pins = "RIIC0_SDA", "RIIC0_SCL"; + input-enable; + }; + + i2c1_pins: i2c1 { + pins = "RIIC1_SDA", "RIIC1_SCL"; + input-enable; + }; + + i2c2_pins: i2c2 { + pinmux = <RZG2L_PORT_PINMUX(42, 3, 1)>, /* SDA */ + <RZG2L_PORT_PINMUX(42, 4, 1)>; /* SCL */ + }; + scif0_pins: scif0 { pinmux = <RZG2L_PORT_PINMUX(38, 0, 1)>, /* TxD */ <RZG2L_PORT_PINMUX(38, 1, 1)>; /* RxD */ diff --git a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi index 55d3b73f84e7..f73b4acb8f9e 100644 --- a/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi @@ -61,7 +61,11 @@ #endif &i2c2 { - status = "disabled"; + pinctrl-0 = <&i2c2_pins>; + pinctrl-names = "default"; + clock-frequency = <400000>; + + status = "okay"; wm8978: codec@1a { compatible = "wlf,wm8978";
Enable i2c{0,1} on RZ/G2LC SMARC EVK by deleting respective entries from board dts and adding pincontrol entries to the soc-pinctrl dtsi. Also enable i2c2 by adding to soc dtsi. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> --- v1->v2: * No change --- arch/arm64/boot/dts/renesas/r9a07g044c2-smarc.dts | 12 ------------ .../dts/renesas/rzg2lc-smarc-pinfunction.dtsi | 15 +++++++++++++++ arch/arm64/boot/dts/renesas/rzg2lc-smarc.dtsi | 6 +++++- 3 files changed, 20 insertions(+), 13 deletions(-)