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Message-ID: <5f9fd69e-d3f6-4293-8746-06173f24e521@phytec.de>
Date: Tue, 13 Feb 2024 06:26:27 +0100
From: Wadim Egorov <w.egorov@...tec.de>
To: Judith Mendez <jm@...com>, Rob Herring <robh+dt@...nel.org>, Krzysztof
 Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley
	<conor+dt@...nel.org>
CC: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, Tero
 Kristo <kristo@...nel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Francesco
 Dolcini <francesco.dolcini@...adex.com>
Subject: Re: [PATCH v2 6/9] arm64: dts: ti: k3-am6*: Remove DLL properties for
 soft PHYs

Hi Judith,

Am 13.02.24 um 01:24 schrieb Judith Mendez:
> Remove DLL properties which are not applicable for soft PHYs
> since these PHYs do not have a DLL to enable.
>
> Signed-off-by: Judith Mendez <jm@...com>
> ---
>   arch/arm64/boot/dts/ti/k3-am62-main.dtsi              | 3 ---
>   arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi       | 1 -
>   arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi     | 1 -
>   arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi        | 1 -
>   arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi       | 1 -
>   arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi            | 2 --
>   arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts        | 3 ---
>   arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts | 1 -
>   arch/arm64/boot/dts/ti/k3-am62a-main.dtsi             | 1 -
>   arch/arm64/boot/dts/ti/k3-am62a7-sk.dts               | 1 -
>   arch/arm64/boot/dts/ti/k3-am62p5-sk.dts               | 1 -
>   arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi        | 2 --
>   arch/arm64/boot/dts/ti/k3-am64-main.dtsi              | 1 -
>   arch/arm64/boot/dts/ti/k3-am642-evm.dts               | 1 -
>   arch/arm64/boot/dts/ti/k3-am642-sk.dts                | 1 -

what about sdhci1 node updates on
   - k3-am642-phyboard-electra-rdk.dts
   - k3-am642-tqma64xxl-mbax4xxl.dts

Also does this apply only for am64 and sdhci1 (and not sdhci0)?
In your v1 you are describing that only AM64x and AM62p devices have a 
DLL to update the drive strength.
Trying to understand why only one of the interfaces gets updated.

Regards,
Wadim

>   15 files changed, 21 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index fe0cc4a9a501..79ed5cbbbda1 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -561,7 +561,6 @@ sdhci0: mmc@...0000 {
>   		assigned-clock-parents = <&k3_clks 57 8>;
>   		mmc-ddr-1_8v;
>   		mmc-hs200-1_8v;
> -		ti,trm-icp = <0x2>;
>   		bus-width = <8>;
>   		ti,clkbuf-sel = <0x7>;
>   		ti,otap-del-sel-legacy = <0x0>;
> @@ -580,7 +579,6 @@ sdhci1: mmc@...0000 {
>   		power-domains = <&k3_pds 58 TI_SCI_PD_EXCLUSIVE>;
>   		clocks = <&k3_clks 58 5>, <&k3_clks 58 6>;
>   		clock-names = "clk_ahb", "clk_xin";
> -		ti,trm-icp = <0x2>;
>   		ti,otap-del-sel-legacy = <0x8>;
>   		ti,otap-del-sel-sd-hs = <0x0>;
>   		ti,otap-del-sel-sdr12 = <0x0>;
> @@ -604,7 +602,6 @@ sdhci2: mmc@...0000 {
>   		power-domains = <&k3_pds 184 TI_SCI_PD_EXCLUSIVE>;
>   		clocks = <&k3_clks 184 5>, <&k3_clks 184 6>;
>   		clock-names = "clk_ahb", "clk_xin";
> -		ti,trm-icp = <0x2>;
>   		ti,otap-del-sel-legacy = <0x8>;
>   		ti,otap-del-sel-sd-hs = <0x0>;
>   		ti,otap-del-sel-sdr12 = <0x0>;
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
> index 3372a256c90f..43488cc8bcb1 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-phycore-som.dtsi
> @@ -317,7 +317,6 @@ serial_flash: flash@0 {
>   &sdhci0 {
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&main_mmc0_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   	non-removable;
>   	status = "okay";
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
> index bf6d27e70bc4..6c4cec8728e4 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-dahlia.dtsi
> @@ -185,7 +185,6 @@ &ospi0 {
>   
>   /* Verdin SD_1 */
>   &sdhci1 {
> -	ti,driver-strength-ohm = <33>;
>   	status = "okay";
>   };
>   
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> index 680071688dcb..be62648e7818 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-dev.dtsi
> @@ -206,7 +206,6 @@ &ospi0 {
>   
>   /* Verdin SD_1 */
>   &sdhci1 {
> -	ti,driver-strength-ohm = <33>;
>   	status = "okay";
>   };
>   
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi
> index a6808b10c7b2..4768ef42c4fc 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin-wifi.dtsi
> @@ -26,7 +26,6 @@ &sdhci2 {
>   	mmc-pwrseq = <&wifi_pwrseq>;
>   	non-removable;
>   	ti,fails-without-test-cd;
> -	ti,driver-strength-ohm = <50>;
>   	vmmc-supply = <&reg_3v3>;
>   	status = "okay";
>   };
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
> index 6a06724b6d16..d68310444bcb 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
> @@ -1407,7 +1407,6 @@ &sdhci0 {
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&pinctrl_sdhci0>;
>   	non-removable;
> -	ti,driver-strength-ohm = <50>;
>   	status = "okay";
>   };
>   
> @@ -1416,7 +1415,6 @@ &sdhci1 {
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&pinctrl_sdhci1>;
>   	disable-wp;
> -	ti,driver-strength-ohm = <50>;
>   	vmmc-supply = <&reg_sdhc1_vmmc>;
>   	vqmmc-supply = <&reg_sdhc1_vqmmc>;
>   	status = "disabled";
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
> index 3b4246ce49de..bb6a5837bcb3 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
> @@ -819,7 +819,6 @@ &sdhci0 {
>   	bootph-all;
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&emmc_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   	status = "okay";
>   };
> @@ -832,7 +831,6 @@ &sdhci1 {
>   
>   	vmmc-supply = <&vdd_3v3_sd>;
>   	vqmmc-supply = <&vdd_sd_dv>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   	cd-gpios = <&main_gpio1 48 GPIO_ACTIVE_LOW>;
>   	cd-debounce-delay-ms = <100>;
> @@ -849,7 +847,6 @@ &sdhci2 {
>   	ti,fails-without-test-cd;
>   	cap-power-off-card;
>   	keep-power-in-suspend;
> -	ti,driver-strength-ohm = <50>;
>   	assigned-clocks = <&k3_clks 157 158>;
>   	assigned-clock-parents = <&k3_clks 157 160>;
>   	#address-cells = <1>;
> diff --git a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
> index 5c31f0453def..a83a90497857 100644
> --- a/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am625-phyboard-lyra-rdk.dts
> @@ -334,7 +334,6 @@ &sdhci1 {
>   	vqmmc-supply = <&vddshv5_sdio>;
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&main_mmc1_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   	no-1-8-v;
>   	status = "okay";
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> index 6806288ec227..f283777d54b4 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> @@ -561,7 +561,6 @@ sdhci1: mmc@...0000 {
>   		power-domains = <&k3_pds 58 TI_SCI_PD_EXCLUSIVE>;
>   		clocks = <&k3_clks 58 5>, <&k3_clks 58 6>;
>   		clock-names = "clk_ahb", "clk_xin";
> -		ti,trm-icp = <0x2>;
>   		ti,otap-del-sel-legacy = <0x0>;
>   		ti,otap-del-sel-sd-hs = <0x0>;
>   		ti,otap-del-sel-sdr12 = <0xf>;
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> index c99b2e90f76d..f241637a5642 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> @@ -582,7 +582,6 @@ &sdhci1 {
>   	vmmc-supply = <&vdd_mmc1>;
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&main_mmc1_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   };
>   
> diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
> index 8c73587b0b62..5c9b73726ebd 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
> @@ -422,7 +422,6 @@ &sdhci1 {
>   	vqmmc-supply = <&vddshv_sdio>;
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&main_mmc1_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   	bootph-all;
>   };
> diff --git a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> index 6dd496cd459a..3c45782ab2b7 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
> @@ -411,7 +411,6 @@ &sdhci0 {
>   	status = "okay";
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&main_mmc0_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   };
>   
> @@ -421,7 +420,6 @@ &sdhci1 {
>   	status = "okay";
>   	pinctrl-names = "default";
>   	pinctrl-0 = <&main_mmc1_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   };
>   
> diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> index 9bfa0a969bfc..a29847735c6e 100644
> --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> @@ -646,7 +646,6 @@ sdhci1: mmc@...0000 {
>   		power-domains = <&k3_pds 58 TI_SCI_PD_EXCLUSIVE>;
>   		clocks = <&k3_clks 58 3>, <&k3_clks 58 4>;
>   		clock-names = "clk_ahb", "clk_xin";
> -		ti,trm-icp = <0x2>;
>   		ti,otap-del-sel-legacy = <0x0>;
>   		ti,otap-del-sel-sd-hs = <0x0>;
>   		ti,otap-del-sel-sdr12 = <0xf>;
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> index 5c546ae76d3e..f308076d608a 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
> @@ -508,7 +508,6 @@ &sdhci1 {
>   	pinctrl-names = "default";
>   	bus-width = <4>;
>   	pinctrl-0 = <&main_mmc1_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   };
>   
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> index cce04e188ff6..b286eaa02ada 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> @@ -471,7 +471,6 @@ &sdhci1 {
>   	pinctrl-names = "default";
>   	bus-width = <4>;
>   	pinctrl-0 = <&main_mmc1_pins_default>;
> -	ti,driver-strength-ohm = <50>;
>   	disable-wp;
>   };
>

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