diff mbox series

[4/4] arm64: dts: meson-g12a-sei510: Enable Wifi SDIO module

Message ID 20190603100357.16799-5-narmstrong@baylibre.com (mailing list archive)
State Superseded
Headers show
Series arm64: dts: meson-g12a: mmc updates | expand

Commit Message

Neil Armstrong June 3, 2019, 10:03 a.m. UTC 
The SEI510 embeds an AP6398S SDIO module, let's add the
corresponding SDIO, PWM clock and mmc-pwrseq nodes.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 .../boot/dts/amlogic/meson-g12a-sei510.dts    | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)

Comments

Martin Blumenstingl June 6, 2019, 7:46 p.m. UTC | #1 
Hi Neil,

On Mon, Jun 3, 2019 at 12:04 PM Neil Armstrong <narmstrong@baylibre.com> wrote:
>
> The SEI510 embeds an AP6398S SDIO module, let's add the
> corresponding SDIO, PWM clock and mmc-pwrseq nodes.
>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
with the comment below addressed:
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

[...]
> +&pwm_ef {
> +       status = "okay";
> +       pinctrl-0 = <&pwm_e_pins>;
> +       pinctrl-names = "default";
> +};
on the other boards we list the input clock explicitly here (I assume
to avoid jitter due to a less precise parent which may be the chip
default or set by the bootloader)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
index be1d9ed6d521..5a97379f2417 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-sei510.dts
@@ -128,6 +128,20 @@ 
 			no-map;
 		};
 	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+		clocks = <&wifi32k>;
+		clock-names = "ext_clock";
+	};
+
+	wifi32k: wifi32k {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
+	};
 };
 
 &cec_AO {
@@ -174,11 +188,45 @@ 
 	pinctrl-names = "default";
 };
 
+&pwm_ef {
+	status = "okay";
+	pinctrl-0 = <&pwm_e_pins>;
+	pinctrl-names = "default";
+};
+
 &saradc {
 	status = "okay";
 	vref-supply = <&vddio_ao1v8>;
 };
 
+/* SDIO */
+&sd_emmc_a {
+	status = "okay";
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-1 = <&sdio_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	sd-uhs-sdr50;
+	max-frequency = <100000000>;
+
+	non-removable;
+	disable-wp;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_ao1v8>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
 /* SD card */
 &sd_emmc_b {
 	status = "okay";