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Date: Mon, 12 Feb 2024 17:41:13 -0600
From: Judith Mendez <jm@...com>
To: Roger Quadros <rogerq@...nel.org>, Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski
<krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>
CC: Adrian Hunter <adrian.hunter@...el.com>, <linux-mmc@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, Nishanth Menon <nm@...com>,
Vignesh
Raghavendra <vigneshr@...com>, Andrew Davis <afd@...com>,
Udit Kumar
<u-kumar1@...com>, <devicetree@...r.kernel.org>,
Randolph Sapp <rs@...com>
Subject: Re: [RFC PATCH 13/13] arm64: dts: ti: k3-am6*: Reorganize MMC
properties
Hi Roger,
On 2/2/24 3:54 AM, Roger Quadros wrote:
>
>
> On 31/01/2024 02:37, Judith Mendez wrote:
>> Reorganize various MMC properties for MMC nodes to be
>> more uniform across devices.
>>
>> Add ti,clkbuf-sel to MMC nodes that are missing this property.
>>
>> Signed-off-by: Judith Mendez <jm@...com>
>> ---
>> arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 5 +++--
>> arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts | 2 --
>> arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 4 ++--
>> arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi | 2 ++
>> arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 7 +++++--
>> arch/arm64/boot/dts/ti/k3-am642-evm.dts | 3 +--
>> arch/arm64/boot/dts/ti/k3-am642-sk.dts | 1 -
>> 7 files changed, 13 insertions(+), 11 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
>> index ca825088970f..32a8a68f1311 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
>> @@ -559,9 +559,9 @@ sdhci0: mmc@...0000 {
>> clock-names = "clk_ahb", "clk_xin";
>> assigned-clocks = <&k3_clks 57 6>;
>> assigned-clock-parents = <&k3_clks 57 8>;
>> + bus-width = <8>;
>
> Is bus-width fix for this instance? If not then we don't really know here what
> bus-width is used by the board implementation. And it should come in the
> board DTS file.
I move bus-width changes to a different patch in v1. Why should it come
in the board DTS file?
>
>> mmc-ddr-1_8v;
>> mmc-hs200-1_8v;
>> - bus-width = <8>;
>> ti,clkbuf-sel = <0x7>;
>> ti,otap-del-sel-legacy = <0x0>;
>> ti,otap-del-sel-mmc-hs = <0x0>;
>> @@ -576,8 +576,8 @@ 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,clkbuf-sel = <0x7>;
>> bus-width = <4>;
>> + ti,clkbuf-sel = <0x7>;
>> ti,otap-del-sel-legacy = <0x0>;
>> ti,otap-del-sel-sd-hs = <0x0>;
>> ti,otap-del-sel-sdr12 = <0xf>;
>> @@ -599,6 +599,7 @@ 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";
>> + bus-width = <4>;
>> ti,clkbuf-sel = <0x7>;
>> ti,otap-del-sel-legacy = <0x0>;
>> ti,otap-del-sel-sd-hs = <0x0>;
>> diff --git a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
>> index f69dbf9b8406..0422615e4d98 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts
>> @@ -836,7 +836,6 @@ &sdhci1 {
>> bootph-all;
>> pinctrl-names = "default";
>> pinctrl-0 = <&sd_pins_default>;
>> -
>> vmmc-supply = <&vdd_3v3_sd>;
>> vqmmc-supply = <&vdd_sd_dv>;
>> disable-wp;
>> @@ -850,7 +849,6 @@ &sdhci2 {
>> vmmc-supply = <&wlan_en>;
>> pinctrl-names = "default";
>> pinctrl-0 = <&wifi_pins_default>, <&wifi_32k_clk>;
>> - bus-width = <4>;
>
> I wouldn't remove this from here if bus-width is variable for this
> instance of MMC controller.
It is moved to the .dtsi file. Sorry for the confusion.
>
>> non-removable;
>> ti,fails-without-test-cd;
>> cap-power-off-card;
>> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> index db5a7746c82e..88b112e657c8 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
>> @@ -561,6 +561,8 @@ 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";
>> + bus-width = <4>;
>> + ti,clkbuf-sel = <0x7>;
>> ti,otap-del-sel-legacy = <0x0>;
>> ti,otap-del-sel-sd-hs = <0x0>;
>> ti,otap-del-sel-sdr12 = <0xf>;
>> @@ -572,8 +574,6 @@ sdhci1: mmc@...0000 {
>> ti,itap-del-sel-sd-hs = <0x0>;
>> ti,itap-del-sel-sdr12 = <0x0>;
>> ti,itap-del-sel-sdr25 = <0x0>;
>> - ti,clkbuf-sel = <0x7>;
>> - bus-width = <4>;
>> no-1-8-v;
>> status = "disabled";
>> };
>> 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 6dd48c826f74..2b4c10b35db1 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am62x-sk-common.dtsi
>> @@ -407,10 +407,12 @@ &main_i2c2 {
>> };
>>
>> &sdhci0 {
>> + /* eMMC */
>> bootph-all;
>> status = "okay";
>> pinctrl-names = "default";
>> pinctrl-0 = <&main_mmc0_pins_default>;
>> + non-removable;
>> 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 1842f05ac351..34706ab9f5fb 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
>> @@ -626,9 +626,11 @@ sdhci0: mmc@...0000 {
>> power-domains = <&k3_pds 57 TI_SCI_PD_EXCLUSIVE>;
>> clocks = <&k3_clks 57 0>, <&k3_clks 57 1>;
>> clock-names = "clk_ahb", "clk_xin";
>> + bus-width = <8>;
>> mmc-ddr-1_8v;
>> mmc-hs200-1_8v;
>> - ti,trm-icp = <0x2>;
>> + ti,clkbuf-sel = <0x7>;
>> + ti,trm-icp = <0x8>;
>> ti,otap-del-sel-legacy = <0x0>;
>> ti,otap-del-sel-mmc-hs = <0x0>;
>> ti,otap-del-sel-ddr52 = <0x6>;
>> @@ -646,6 +648,8 @@ 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";
>> + bus-width = <4>;
>> + ti,clkbuf-sel = <0x7>;
>> ti,otap-del-sel-legacy = <0x0>;
>> ti,otap-del-sel-sd-hs = <0x0>;
>> ti,otap-del-sel-sdr12 = <0xf>;
>> @@ -653,7 +657,6 @@ sdhci1: mmc@...0000 {
>> ti,otap-del-sel-sdr50 = <0xc>;
>> ti,otap-del-sel-sdr104 = <0x6>;
>> ti,otap-del-sel-ddr50 = <0x9>;
>> - ti,clkbuf-sel = <0x7>;
>> ti,itap-del-sel-legacy = <0x0>;
>> ti,itap-del-sel-sd-hs = <0x0>;
>> ti,itap-del-sel-sdr12 = <0x0>;
>> diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
>> index 0583ec3a9b52..572b98a217a6 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
>> @@ -493,8 +493,8 @@ eeprom@0 {
>>
>> /* eMMC */
>> &sdhci0 {
>> + bootph-all;
>> status = "okay";
>> - bus-width = <8>;
>> non-removable;
>> ti,driver-strength-ohm = <50>;
>> disable-wp;
>> @@ -506,7 +506,6 @@ &sdhci1 {
>> status = "okay";
>> vmmc-supply = <&vdd_mmc1>;
>> pinctrl-names = "default";
>> - bus-width = <4>;
>> pinctrl-0 = <&main_mmc1_pins_default>;
>> 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 c3a77f6282cb..600056105874 100644
>> --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
>> +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
>> @@ -469,7 +469,6 @@ &sdhci1 {
>> status = "okay";
>> vmmc-supply = <&vdd_mmc1>;
>> pinctrl-names = "default";
>> - bus-width = <4>;
>> pinctrl-0 = <&main_mmc1_pins_default>;
>> disable-wp;
>> };
>
~ Judith
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