Re: [PATCH 1/3] arm64: dts: ti: Add GPMC NAND support

From: Roger Quadros
Date: Fri Sep 15 2023 - 07:16:52 EST


Hi Nitin,

On 13.9.2023 14.47, Nitin Yadav wrote:
Add support for AM62Q NAND card: X8 NAND EXPANSION
BOARD card (PROC143E1) for AM62x LP SK board.

This patch is not adding NAND support but GPMC and ELM nodes.


Signed-off-by: Nitin Yadav <n-yadav@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 29 ++++++++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62.dtsi | 2 ++
2 files changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index 284b90c94da8..e93e79d8083f 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -955,4 +955,33 @@ mcasp2: audio-controller@2b20000 {
power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
status = "disabled";
};
+ gpmc0: memory-controller@3b000000 {
+ status = "disabled";
+ compatible = "ti,am64-gpmc";
+ power-domains = <&k3_pds 80 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 80 0>;
+ clock-names = "fck";
+ reg = <0x00 0x03b000000 0x00 0x400>,
+ <0x00 0x050000000 0x00 0x8000000>;
+ reg-names = "cfg", "data";
+ interrupts = <GIC_SPI 106 IRQ_TYPE_LEVEL_HIGH>;
+ gpmc,num-cs = <3>;
+ gpmc,num-waitpins = <2>;
+ #address-cells = <2>;
+ #size-cells = <1>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ elm0: ecc@25010000 {
+ status = "disabled";
+ compatible = "ti,am3352-elm";
+ reg = <0x00 0x25010000 0x00 0x2000>;
+ interrupts = <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 54 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 54 0>;
+ clock-names = "fck";
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-am62.dtsi b/arch/arm64/boot/dts/ti/k3-am62.dtsi
index 11f14eef2d44..f7d8aad0a016 100644
--- a/arch/arm64/boot/dts/ti/k3-am62.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62.dtsi
@@ -76,6 +76,8 @@ cbass_main: bus@f0000 {
<0x00 0x70000000 0x00 0x70000000 0x00 0x00010000>, /* OCSRAM */
<0x01 0x00000000 0x01 0x00000000 0x00 0x00310000>, /* A53 PERIPHBASE */
<0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>, /* FSS0 DAT3 */
+ <0x00 0x3b000000 0x00 0x3b000000 0x00 0x00000400>, /* GPMC0_CFG */
+ <0x00 0x50000000 0x00 0x50000000 0x00 0x08000000>, /* GPMC0 DATA */
/* MCU Domain Range */
<0x00 0x04000000 0x00 0x04000000 0x00 0x01ff1400>,

--
cheers,
-roger