[PATCH v7 7/8] arm64: dts: qcom: ipq9574: Add SPI nand support

Md Sadre Alam
2024-07-24T11:43:01Z

Add SPI NAND support for ipq9574 SoC.

Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com>
---
Change in [v7]

* No change

Change in [v6]

* No change

Change in [v5]

* No change

Change in [v4]

* No change

Change in [v3]

* Updated gpio number as per pin control driver

* Fixed alignment issue

Change in [v2]

* Added initial enablement for spi-nand

Change in [v1]

* Posted as RFC patch for design review

.../boot/dts/qcom/ipq9574-rdp-common.dtsi | 43 +++++++++++++++++++
arch/arm64/boot/dts/qcom/ipq9574.dtsi | 27 ++++++++++++
2 files changed, 70 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
index 91e104b0f865..6429a6b3b903 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
@@ -139,6 +139,49 @@ gpio_leds_default: gpio-leds-default-state {
drive-strength = <8>;
bias-pull-up;
};
+
+ qpic_snand_default_state: qpic-snand-default-state {
+ clock-pins {
+ pins = "gpio5";
+ function = "qspi_clk";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ cs-pins {
+ pins = "gpio4";
+ function = "qspi_cs";
+ drive-strength = <8>;
+ bias-disable;
+ };
+
+ data-pins {
+ pins = "gpio0", "gpio1", "gpio2", "gpio3";
+ function = "qspi_data";
+ drive-strength = <8>;
+ bias-disable;
+ };
+ };
+};
+
+&qpic_bam {
+ status = "okay";
+};
+
+&qpic_nand {
+ pinctrl-0 = <&qpic_snand_default_state>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ flash@0 {
+ compatible = "spi-nand";
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ nand-ecc-engine = <&qpic_nand>;
+ nand-ecc-strength = <4>;
+ nand-ecc-step-size = <512>;
+ };
};

&usb_0_dwc3 {
diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index 48dfafea46a7..9ba27dd65fb6 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -330,6 +330,33 @@ tcsr: syscon@1937000 {
reg = <0x01937000 0x21000>;
};

+ qpic_bam: dma-controller@7984000 {
+ compatible = "qcom,bam-v1.7.0";
+ reg = <0x7984000 0x1c000>;
+ interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_QPIC_AHB_CLK>;
+ clock-names = "bam_clk";
+ #dma-cells = <1>;
+ qcom,ee = <0>;
+ status = "disabled";
+ };
+
+ qpic_nand: spi@79b0000 {
+ compatible = "qcom,spi-qpic-snand";
+ reg = <0x79b0000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&gcc GCC_QPIC_CLK>,
+ <&gcc GCC_QPIC_AHB_CLK>,
+ <&gcc GCC_QPIC_IO_MACRO_CLK>;
+ clock-names = "core", "aon", "iom";
+ dmas = <&qpic_bam 0>,
+ <&qpic_bam 1>,
+ <&qpic_bam 2>;
+ dma-names = "tx", "rx", "cmd";
+ status = "disabled";
+ };
+
sdhc_1: mmc@7804000 {
compatible = "qcom,ipq9574-sdhci", "qcom,sdhci-msm-v5";
reg = <0x07804000 0x1000>,
--
2.34.1