[RFC,06/13] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance

Message ID 20240131003714.2779593-7-jm@ti.com
State New
Headers
Series Add tuning algorithm for delay chain |

Commit Message

Judith Mendez Jan. 31, 2024, 12:37 a.m. UTC
  From: Nitin Yadav <n-yadav@ti.com>

Add sdhci0 DT node in k3-am62a-main for eMMC support. Add otap/itap
values according to the datasheet[0], Refer to Table 7-79.

[0] https://www.ti.com/lit/ds/symlink/am62a3.pdf

Signed-off-by: Judith Mendez <jm@ti.com>
Signed-off-by: Nitin Yadav <n-yadav@ti.com>
---
 arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
  

Comments

Nishanth Menon Jan. 31, 2024, 7:17 p.m. UTC | #1
On 18:37-20240130, Judith Mendez wrote:
> From: Nitin Yadav <n-yadav@ti.com>
> 
> Add sdhci0 DT node in k3-am62a-main for eMMC support. Add otap/itap
> values according to the datasheet[0], Refer to Table 7-79.
> 
> [0] https://www.ti.com/lit/ds/symlink/am62a3.pdf
> 
> Signed-off-by: Judith Mendez <jm@ti.com>
> Signed-off-by: Nitin Yadav <n-yadav@ti.com>
> ---

Side note: will appreciate if the dt patches come via the SoC dt tree
for TI K3 and not via mmc tree.

>  arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> index f0b8c9ab1459..523dee78123a 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> @@ -536,6 +536,24 @@ 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>;
> +		bus-width = <8>;
> +		mmc-hs200-1_8v;
> +		ti,clkbuf-sel = <0x7>;
> +		ti,otap-del-sel-legacy = <0x0>;
> +		ti,otap-del-sel-mmc-hs = <0x0>;
> +		ti,otap-del-sel-hs200 = <0x6>;
> +		status = "disabled";
> +	};
> +
>  	sdhci1: mmc@fa00000 {
>  		compatible = "ti,am62-sdhci";
>  		reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
> -- 
> 2.34.1
>
  
Judith Mendez Jan. 31, 2024, 8:28 p.m. UTC | #2
On 1/31/24 1:17 PM, Nishanth Menon wrote:
> On 18:37-20240130, Judith Mendez wrote:
>> From: Nitin Yadav <n-yadav@ti.com>
>>
>> Add sdhci0 DT node in k3-am62a-main for eMMC support. Add otap/itap
>> values according to the datasheet[0], Refer to Table 7-79.
>>
>> [0] https://www.ti.com/lit/ds/symlink/am62a3.pdf
>>
>> Signed-off-by: Judith Mendez <jm@ti.com>
>> Signed-off-by: Nitin Yadav <n-yadav@ti.com>
>> ---
> 
> Side note: will appreciate if the dt patches come via the SoC dt tree
> for TI K3 and not via mmc tree.

Will use DO NOT MERGE for v1, thanks.

> 
>>   arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 18 ++++++++++++++++++
>>   1 file changed, 18 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> index f0b8c9ab1459..523dee78123a 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> @@ -536,6 +536,24 @@ 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>;
>> +		bus-width = <8>;
>> +		mmc-hs200-1_8v;
>> +		ti,clkbuf-sel = <0x7>;
>> +		ti,otap-del-sel-legacy = <0x0>;
>> +		ti,otap-del-sel-mmc-hs = <0x0>;
>> +		ti,otap-del-sel-hs200 = <0x6>;
>> +		status = "disabled";
>> +	};
>> +
>>   	sdhci1: mmc@fa00000 {
>>   		compatible = "ti,am62-sdhci";
>>   		reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
>> -- 
>> 2.34.1
>>
>
  

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index f0b8c9ab1459..523dee78123a 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -536,6 +536,24 @@  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>;
+		bus-width = <8>;
+		mmc-hs200-1_8v;
+		ti,clkbuf-sel = <0x7>;
+		ti,otap-del-sel-legacy = <0x0>;
+		ti,otap-del-sel-mmc-hs = <0x0>;
+		ti,otap-del-sel-hs200 = <0x6>;
+		status = "disabled";
+	};
+
 	sdhci1: mmc@fa00000 {
 		compatible = "ti,am62-sdhci";
 		reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;