[v8,3/4] riscv: dts: thead: Enable BeagleV Ahead eMMC and microSD

Message ID 20231206-th1520_mmc_dts-v8-3-69220e373e8f@baylibre.com
State New
Headers
Series RISC-V: Add MMC support for TH1520 boards |

Commit Message

Drew Fustini Dec. 6, 2023, 8:09 a.m. UTC
  Add emmc node properties for the eMMC device and add sdio0 node
properties for the microSD slot. Set the frequency for the sdhci
reference clock.

Signed-off-by: Drew Fustini <dfustini@baylibre.com>
---
 arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
  

Comments

Guo Ren Dec. 7, 2023, 8:27 a.m. UTC | #1
On Wed, Dec 6, 2023 at 4:09 PM Drew Fustini <dfustini@baylibre.com> wrote:
>
> Add emmc node properties for the eMMC device and add sdio0 node
> properties for the microSD slot. Set the frequency for the sdhci
> reference clock.
>
> Signed-off-by: Drew Fustini <dfustini@baylibre.com>
> ---
>  arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
>
> diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> index 70e8042c8304..d9b4de9e4757 100644
> --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
> @@ -48,6 +48,10 @@ &apb_clk {
>         clock-frequency = <62500000>;
>  };
>
> +&sdhci_clk {
> +       clock-frequency = <198000000>;
> +};
> +
>  &uart_sclk {
>         clock-frequency = <100000000>;
>  };
> @@ -56,6 +60,22 @@ &dmac0 {
>         status = "okay";
>  };
>
> +&emmc {
> +       bus-width = <8>;
> +       max-frequency = <198000000>;
> +       mmc-hs400-1_8v;
> +       non-removable;
> +       no-sdio;
> +       no-sd;
> +       status = "okay";
> +};
> +
> +&sdio0 {
> +       bus-width = <4>;
> +       max-frequency = <198000000>;
> +       status = "okay";
> +};
> +
>  &uart0 {
>         status = "okay";
>  };
>
> --
> 2.34.1
>
Maybe, we could share some parts with th1520-lichee-module-4a.dtsi.
Others, LGTM.|

Reviewed-by: Guo Ren <guoren@kernel.org>
  

Patch

diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
index 70e8042c8304..d9b4de9e4757 100644
--- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
+++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts
@@ -48,6 +48,10 @@  &apb_clk {
 	clock-frequency = <62500000>;
 };
 
+&sdhci_clk {
+	clock-frequency = <198000000>;
+};
+
 &uart_sclk {
 	clock-frequency = <100000000>;
 };
@@ -56,6 +60,22 @@  &dmac0 {
 	status = "okay";
 };
 
+&emmc {
+	bus-width = <8>;
+	max-frequency = <198000000>;
+	mmc-hs400-1_8v;
+	non-removable;
+	no-sdio;
+	no-sd;
+	status = "okay";
+};
+
+&sdio0 {
+	bus-width = <4>;
+	max-frequency = <198000000>;
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };