2023-10-27 09:40:20

by Nitin Yadav

Subject: [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance

Add sdhci0 DT node in k3-am62a-main for eMMC support. Droping
ITAP values as they are NA in datasheet[0] for lower speed modes.
Add mmc0 alias for sdhci0 in k3-am62a7-sk.dts.

[0]https://www.ti.com/lit/gpn/am62a3 Table: 7-79 (Page No. 179)

Signed-off-by: Nitin Yadav <[email protected]>
---
arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 19 +++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 1 +
2 files changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index de36abb243f1..89b8b7d302cd 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -488,6 +488,25 @@ main_gpio1: gpio@601000 {
status = "disabled";
};

+ sdhci0: mmc@fa10000 {
+ compatible = "ti,am62-sdhci";
+ reg = <0x00 0xfa10000 0x00 0x260>, <0x00 0xfa18000 0x00 0x134>;
+ interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 57 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 57 5>, <&k3_clks 57 6>;
+ clock-names = "clk_ahb", "clk_xin";
+ assigned-clocks = <&k3_clks 57 6>;
+ assigned-clock-parents = <&k3_clks 57 8>;
+ mmc-hs200-1_8v;
+ ti,trm-icp = <0x2>;
+ ti,otap-del-sel-legacy = <0x0>;
+ ti,otap-del-sel-mmc-hs = <0x0>;
+ ti,otap-del-sel-hs200 = <0x6>;
+ bus-width = <8>;
+ ti,clkbuf-sel = <0x7>;
+ status = "disabled";
+ };
+
sdhci1: mmc@fa00000 {
compatible = "ti,am62-sdhci";
reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index cff283c75f8e..5d28c390b28e 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -20,6 +20,7 @@ aliases {
serial0 = &wkup_uart0;
serial2 = &main_uart0;
serial3 = &main_uart1;
+ mmc0 = &sdhci0;
mmc1 = &sdhci1;
};

--
2.25.1

2023-10-27 11:22:41

by Nishanth Menon

Subject: Re: [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance

On 15:09-20231027, Nitin Yadav wrote:
> Add sdhci0 DT node in k3-am62a-main for eMMC support. Droping
> ITAP values as they are NA in datasheet[0] for lower speed modes.
> Add mmc0 alias for sdhci0 in k3-am62a7-sk.dts.
>
> [0]https://www.ti.com/lit/gpn/am62a3 Table: 7-79 (Page No. 179)
>
> Signed-off-by: Nitin Yadav <[email protected]>
> ---
> arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 19 +++++++++++++++++++
> arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 1 +
> 2 files changed, 20 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> index de36abb243f1..89b8b7d302cd 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> @@ -488,6 +488,25 @@ main_gpio1: gpio@601000 {
> status = "disabled";
> };
>
> + sdhci0: mmc@fa10000 {
> + compatible = "ti,am62-sdhci";
> + reg = <0x00 0xfa10000 0x00 0x260>, <0x00 0xfa18000 0x00 0x134>;
> + interrupts = <GIC_SPI 133 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 57 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 57 5>, <&k3_clks 57 6>;
> + clock-names = "clk_ahb", "clk_xin";
> + assigned-clocks = <&k3_clks 57 6>;
> + assigned-clock-parents = <&k3_clks 57 8>;
> + mmc-hs200-1_8v;
> + ti,trm-icp = <0x2>;
> + ti,otap-del-sel-legacy = <0x0>;
> + ti,otap-del-sel-mmc-hs = <0x0>;
> + ti,otap-del-sel-hs200 = <0x6>;
> + bus-width = <8>;
> + ti,clkbuf-sel = <0x7>;
> + status = "disabled";
> + };
> +
> sdhci1: mmc@fa00000 {
> compatible = "ti,am62-sdhci";
> reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> index cff283c75f8e..5d28c390b28e 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> @@ -20,6 +20,7 @@ aliases {
> serial0 = &wkup_uart0;
> serial2 = &main_uart0;
> serial3 = &main_uart1;
> + mmc0 = &sdhci0;

Bring this in on your second patch in the series.

> mmc1 = &sdhci1;
> };
>
> --
> 2.25.1
>

--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D