diff mbox series

[v4,19/19] arm64: dts: mediatek: asurada: Add SPI NOR flash memory

Message ID 20220629155956.1138955-20-nfraprado@collabora.com (mailing list archive)
State New, archived
Headers show
Series Introduce support for MediaTek MT8192 Google Chromebooks | expand

Commit Message

Nícolas F. R. A. Prado June 29, 2022, 3:59 p.m. UTC 
Add support for the SPI NOR flash memory present on the Asurada
platform.

Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

---

Changes in v4:
- Added this patch

 .../boot/dts/mediatek/mt8192-asurada.dtsi     | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

Comments

Chen-Yu Tsai July 1, 2022, 10:39 a.m. UTC | #1 
On Thu, Jun 30, 2022 at 12:00 AM Nícolas F. R. A. Prado
<nfraprado@collabora.com> wrote:
>
> Add support for the SPI NOR flash memory present on the Asurada
> platform.
>
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

Tested-by: Chen-Yu Tsai <wenst@chromium.org>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
index a5625b3cb317..4b314435f8fd 100644
--- a/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi
@@ -241,6 +241,23 @@  &mt6359codec {
 	mediatek,mic-type-2 = <2>; /* DMIC */
 };
 
+&nor_flash {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&nor_flash_pins>;
+	assigned-clocks = <&topckgen CLK_TOP_SFLASH_SEL>;
+	assigned-clock-parents = <&topckgen CLK_TOP_UNIVPLL_D6_D8>;
+
+	flash@0 {
+		compatible = "winbond,w25q64jwm", "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <52000000>;
+		spi-rx-bus-width = <2>;
+		spi-tx-bus-width = <2>;
+	};
+};
+
 &pcie {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie_pins>;
@@ -658,6 +675,29 @@  pins-clk {
 		};
 	};
 
+	nor_flash_pins: nor-flash-default-pins {
+		pins-cs-io1 {
+			pinmux = <PINMUX_GPIO24__FUNC_SPINOR_CS>,
+				 <PINMUX_GPIO28__FUNC_SPINOR_IO1>;
+			input-enable;
+			bias-pull-up;
+			drive-strength = <10>;
+		};
+
+		pins-io0 {
+			pinmux = <PINMUX_GPIO27__FUNC_SPINOR_IO0>;
+			bias-pull-up;
+			drive-strength = <10>;
+		};
+
+		pins-clk {
+			pinmux = <PINMUX_GPIO25__FUNC_SPINOR_CK>;
+			input-enable;
+			bias-pull-up;
+			drive-strength = <10>;
+		};
+	};
+
 	pcie_pins: pcie-default-pins {
 		pins-pcie-wake {
 			pinmux = <PINMUX_GPIO63__FUNC_PCIE_WAKE_N>;