* [PATCH 0/2] Add eMMC support for AM62a SK
@ 2023-10-27 9:39 Nitin Yadav
2023-10-27 9:39 ` [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance Nitin Yadav
2023-10-27 9:39 ` [PATCH 2/2] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support Nitin Yadav
0 siblings, 2 replies; 5+ messages in thread
From: Nitin Yadav @ 2023-10-27 9:39 UTC (permalink / raw)
To: nm, vigneshr, kristo, robh+dt, krzysztof.kozlowski+dt, conor+dt
Cc: linux-arm-kernel, devicetree, linux-kernel
This series enables eMMC support on AM62a SK.
Nitin Yadav (2):
arm64: dts: ti: k3-am62a-main: Add sdhci0 instance
arm64: dts: ti: k3-am62a7-sk: Enable eMMC support
arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 19 +++++++++++++++++
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 25 +++++++++++++++++++++++
2 files changed, 44 insertions(+)
--
2.25.1
^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance
2023-10-27 9:39 [PATCH 0/2] Add eMMC support for AM62a SK Nitin Yadav
@ 2023-10-27 9:39 ` Nitin Yadav
2023-10-27 11:22 ` Nishanth Menon
2023-10-27 9:39 ` [PATCH 2/2] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support Nitin Yadav
1 sibling, 1 reply; 5+ messages in thread
From: Nitin Yadav @ 2023-10-27 9:39 UTC (permalink / raw)
To: nm, vigneshr, kristo, robh+dt, krzysztof.kozlowski+dt, conor+dt
Cc: linux-arm-kernel, devicetree, linux-kernel
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 <n-yadav@ti.com>
---
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
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH 2/2] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support
2023-10-27 9:39 [PATCH 0/2] Add eMMC support for AM62a SK Nitin Yadav
2023-10-27 9:39 ` [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance Nitin Yadav
@ 2023-10-27 9:39 ` Nitin Yadav
2023-10-27 11:23 ` Nishanth Menon
1 sibling, 1 reply; 5+ messages in thread
From: Nitin Yadav @ 2023-10-27 9:39 UTC (permalink / raw)
To: nm, vigneshr, kristo, robh+dt, krzysztof.kozlowski+dt, conor+dt
Cc: linux-arm-kernel, devicetree, linux-kernel
Add support for 32GB eMMC card on AM62A7. Includes adding mmc0
pins settings and set sdhci0 status to okay.
Signed-off-by: Nitin Yadav <n-yadav@ti.com>
---
arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
index 5d28c390b28e..c6f144d91734 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
@@ -173,6 +173,22 @@ AM62AX_IOPAD(0x0b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */
>;
};
+ main_mmc0_pins_default: main-mmc0-default-pins {
+ pinctrl-single,pins = <
+ AM62AX_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
+ AM62AX_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLKLB */
+ AM62AX_IOPAD(0x21c, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
+ AM62AX_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
+ AM62AX_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AA1) MMC0_DAT1 */
+ AM62AX_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */
+ AM62AX_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /* (Y4) MMC0_DAT3 */
+ AM62AX_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (AB2) MMC0_DAT4 */
+ AM62AX_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (AC1) MMC0_DAT5 */
+ AM62AX_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (AD2) MMC0_DAT6 */
+ AM62AX_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AC2) MMC0_DAT7 */
+ >;
+ };
+
main_mmc1_pins_default: main-mmc1-default-pins {
pinctrl-single,pins = <
AM62AX_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
@@ -362,3 +378,11 @@ cpsw3g_phy0: ethernet-phy@0 {
ti,min-output-impedance;
};
};
+
+&sdhci0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_mmc0_pins_default>;
+ ti,driver-strength-ohm = <50>;
+ disable-wp;
+};
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance
2023-10-27 9:39 ` [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance Nitin Yadav
@ 2023-10-27 11:22 ` Nishanth Menon
0 siblings, 0 replies; 5+ messages in thread
From: Nishanth Menon @ 2023-10-27 11:22 UTC (permalink / raw)
To: Nitin Yadav
Cc: vigneshr, kristo, robh+dt, krzysztof.kozlowski+dt, conor+dt,
linux-arm-kernel, devicetree, linux-kernel
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 <n-yadav@ti.com>
> ---
> 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
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 2/2] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support
2023-10-27 9:39 ` [PATCH 2/2] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support Nitin Yadav
@ 2023-10-27 11:23 ` Nishanth Menon
0 siblings, 0 replies; 5+ messages in thread
From: Nishanth Menon @ 2023-10-27 11:23 UTC (permalink / raw)
To: Nitin Yadav
Cc: vigneshr, kristo, robh+dt, krzysztof.kozlowski+dt, conor+dt,
linux-arm-kernel, devicetree, linux-kernel
On 15:09-20231027, Nitin Yadav wrote:
> Add support for 32GB eMMC card on AM62A7. Includes adding mmc0
> pins settings and set sdhci0 status to okay.
You can drop the second sentence. Also, in this case, since you are
modifying the board dts, it should be AM62A7 SK.
>
> Signed-off-by: Nitin Yadav <n-yadav@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> index 5d28c390b28e..c6f144d91734 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> @@ -173,6 +173,22 @@ AM62AX_IOPAD(0x0b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */
> >;
> };
>
> + main_mmc0_pins_default: main-mmc0-default-pins {
> + pinctrl-single,pins = <
> + AM62AX_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
> + AM62AX_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLKLB */
> + AM62AX_IOPAD(0x21c, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
> + AM62AX_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
> + AM62AX_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AA1) MMC0_DAT1 */
> + AM62AX_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */
> + AM62AX_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /* (Y4) MMC0_DAT3 */
> + AM62AX_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (AB2) MMC0_DAT4 */
> + AM62AX_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (AC1) MMC0_DAT5 */
> + AM62AX_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (AD2) MMC0_DAT6 */
> + AM62AX_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AC2) MMC0_DAT7 */
> + >;
> + };
> +
> main_mmc1_pins_default: main-mmc1-default-pins {
> pinctrl-single,pins = <
> AM62AX_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
> @@ -362,3 +378,11 @@ cpsw3g_phy0: ethernet-phy@0 {
> ti,min-output-impedance;
> };
> };
> +
> +&sdhci0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_mmc0_pins_default>;
> + ti,driver-strength-ohm = <50>;
> + disable-wp;
> +};
> --
> 2.25.1
>
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2023-10-27 11:23 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
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2023-10-27 9:39 [PATCH 0/2] Add eMMC support for AM62a SK Nitin Yadav
2023-10-27 9:39 ` [PATCH 1/2] arm64: dts: ti: k3-am62a-main: Add sdhci0 instance Nitin Yadav
2023-10-27 11:22 ` Nishanth Menon
2023-10-27 9:39 ` [PATCH 2/2] arm64: dts: ti: k3-am62a7-sk: Enable eMMC support Nitin Yadav
2023-10-27 11:23 ` Nishanth Menon
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