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Message-ID: <20240131003714.2779593-12-jm@ti.com>
Date: Tue, 30 Jan 2024 18:37:12 -0600
From: Judith Mendez <jm@...com>
To: 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>, Roger Quadros <rogerq@...nel.org>,
<devicetree@...r.kernel.org>, Randolph Sapp <rs@...com>
Subject: [RFC PATCH 11/13] arm64: dts: ti: k3-am62p: Add missing properties for MMC
Add missing properties to enable HS200 timing for MMC0 and
SDR104 timing for MMC1 according to the datasheet [0] for
AM62p device, refer to Table 7-79 for MMC0 and Table 7-97
for MMC1/MMC2.
[0] https://www.ti.com/lit/ds/symlink/am625.pdf
Signed-off-by: Judith Mendez <jm@...com>
---
arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 44 +++++++++++++++++++++--
arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 6 ++--
2 files changed, 45 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
index 4c51bae06b57..f743700dd5bd 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
@@ -534,7 +534,21 @@ sdhci0: mmc@...0000 {
clock-names = "clk_ahb", "clk_xin";
assigned-clocks = <&k3_clks 57 2>;
assigned-clock-parents = <&k3_clks 57 4>;
- ti,otap-del-sel-legacy = <0x0>;
+ bus-width = <8>;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ ti,clkbuf-sel = <0x7>;
+ ti,strobe-sel = <0x77>;
+ ti,trm-icp = <0x8>;
+ ti,otap-del-sel-legacy = <0x1>;
+ ti,otap-del-sel-mmc-hs = <0x1>;
+ ti,otap-del-sel-ddr52 = <0x6>;
+ ti,otap-del-sel-hs200 = <0x8>;
+ ti,otap-del-sel-hs400 = <0x5>;
+ ti,itap-del-sel-legacy = <0x10>;
+ ti,itap-del-sel-mmc-hs = <0xa>;
+ ti,itap-del-sel-ddr52 = <0x3>;
status = "disabled";
};
@@ -545,7 +559,19 @@ 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,otap-del-sel-legacy = <0x8>;
+ 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>;
+ ti,otap-del-sel-sdr25 = <0xf>;
+ ti,otap-del-sel-sdr50 = <0xc>;
+ ti,otap-del-sel-ddr50 = <0x9>;
+ ti,otap-del-sel-sdr104 = <0x6>;
+ ti,itap-del-sel-legacy = <0x0>;
+ ti,itap-del-sel-sd-hs = <0x0>;
+ ti,itap-del-sel-sdr12 = <0x0>;
+ ti,itap-del-sel-sdr25 = <0x0>;
status = "disabled";
};
@@ -556,7 +582,19 @@ 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,otap-del-sel-legacy = <0x8>;
+ 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>;
+ ti,otap-del-sel-sdr25 = <0xf>;
+ ti,otap-del-sel-sdr50 = <0xc>;
+ ti,otap-del-sel-ddr50 = <0x9>;
+ ti,otap-del-sel-sdr104 = <0x6>;
+ ti,itap-del-sel-legacy = <0x0>;
+ ti,itap-del-sel-sd-hs = <0x0>;
+ ti,itap-del-sel-sdr12 = <0x0>;
+ ti,itap-del-sel-sdr25 = <0x0>;
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 1773c05f752c..10156a04a92c 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -410,13 +410,17 @@ &main_i2c2 {
};
&sdhci0 {
+ /* eMMC */
+ bootph-all;
status = "okay";
+ non-removable;
ti,driver-strength-ohm = <50>;
disable-wp;
};
&sdhci1 {
/* SD/MMC */
+ bootph-all;
status = "okay";
vmmc-supply = <&vdd_mmc1>;
vqmmc-supply = <&vddshv_sdio>;
@@ -424,8 +428,6 @@ &sdhci1 {
pinctrl-0 = <&main_mmc1_pins_default>;
ti,driver-strength-ohm = <50>;
disable-wp;
- no-1-8-v;
- bootph-all;
};
&cpsw3g {
--
2.34.1
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