diff mbox series

[v2,06/14] arm64: dts: exynos: gs101: Add ufs, ufs-phy and ufs regulator dt nodes

Message ID 20240423205006.1785138-7-peter.griffin@linaro.org (mailing list archive)
State Not Applicable, archived
Headers show
Series HSI2, UFS & UFS phy support for Tensor GS101 | expand

Commit Message

Peter Griffin April 23, 2024, 8:49 p.m. UTC
Enable the ufs controller, ufs phy and ufs regulator in device tree.

Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
---
 .../boot/dts/exynos/google/gs101-oriole.dts   | 18 ++++++++++
 arch/arm64/boot/dts/exynos/google/gs101.dtsi  | 36 +++++++++++++++++++
 2 files changed, 54 insertions(+)

Comments

André Draszik April 25, 2024, 12:02 p.m. UTC | #1
On Tue, 2024-04-23 at 21:49 +0100, Peter Griffin wrote:
> Enable the ufs controller, ufs phy and ufs regulator in device tree.
> 
> Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> ---
>  .../boot/dts/exynos/google/gs101-oriole.dts   | 18 ++++++++++
>  arch/arm64/boot/dts/exynos/google/gs101.dtsi  | 36 +++++++++++++++++++
>  2 files changed, 54 insertions(+)
> 

[...]

> +
> +		ufs_0: ufs@14700000 {
> +			compatible = "google,gs101-ufs";
> +			reg = <0x14700000 0x200>,
> +			      <0x14701100 0x200>,
> +			      <0x14780000 0xa000>,
> +			      <0x14600000 0x100>;
> +			reg-names = "hci", "vs_hci", "unipro", "ufsp";
> +			interrupts = <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH 0>;
> +			clocks = <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_ACLK>,
> +				 <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO>,
> +				 <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK>,
> +				 <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK>,
> +				 <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK>,
> +				 <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>;
> +			clock-names = "core_clk", "sclk_unipro_main", "fmp",
> +				      "ufs_aclk", "ufs_pclk", "sysreg";
> +			freq-table-hz = <0 0>, <0 0>, <0 0>, <0 0>, <0 0>, <0 0>;
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;

The preferred order is pinctrl-0 before pinctrl-names (similar to clock-names and reg-names).

Other than that,

Acked-by: André Draszik <andre.draszik@linaro.org>
Peter Griffin April 25, 2024, 4:35 p.m. UTC | #2
Hi André,

On Thu, 25 Apr 2024 at 13:02, André Draszik <andre.draszik@linaro.org> wrote:
>
> On Tue, 2024-04-23 at 21:49 +0100, Peter Griffin wrote:
> > Enable the ufs controller, ufs phy and ufs regulator in device tree.
> >
> > Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
> > ---
> >  .../boot/dts/exynos/google/gs101-oriole.dts   | 18 ++++++++++
> >  arch/arm64/boot/dts/exynos/google/gs101.dtsi  | 36 +++++++++++++++++++
> >  2 files changed, 54 insertions(+)
> >
>
> [...]
>
> > +
> > +             ufs_0: ufs@14700000 {
> > +                     compatible = "google,gs101-ufs";
> > +                     reg = <0x14700000 0x200>,
> > +                           <0x14701100 0x200>,
> > +                           <0x14780000 0xa000>,
> > +                           <0x14600000 0x100>;
> > +                     reg-names = "hci", "vs_hci", "unipro", "ufsp";
> > +                     interrupts = <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH 0>;
> > +                     clocks = <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_ACLK>,
> > +                              <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO>,
> > +                              <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK>,
> > +                              <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK>,
> > +                              <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK>,
> > +                              <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>;
> > +                     clock-names = "core_clk", "sclk_unipro_main", "fmp",
> > +                                   "ufs_aclk", "ufs_pclk", "sysreg";
> > +                     freq-table-hz = <0 0>, <0 0>, <0 0>, <0 0>, <0 0>, <0 0>;
> > +                     pinctrl-names = "default";
> > +                     pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;
>
> The preferred order is pinctrl-0 before pinctrl-names (similar to clock-names and reg-names).

Will fix
>
> Other than that,
>
> Acked-by: André Draszik <andre.draszik@linaro.org>

thanks,

Peter
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
index 6be15e990b65..fb32f6ce2a4d 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
+++ b/arch/arm64/boot/dts/exynos/google/gs101-oriole.dts
@@ -53,6 +53,15 @@  button-power {
 			wakeup-source;
 		};
 	};
+
+	/* TODO: Remove this once S2MPG11 slave PMIC is implemented  */
+	ufs_0_fixed_vcc_reg: regulator-0 {
+		compatible = "regulator-fixed";
+		regulator-name = "ufs-vcc";
+		gpio = <&gpp0 1 GPIO_ACTIVE_HIGH>;
+		regulator-boot-on;
+		enable-active-high;
+	};
 };
 
 &ext_24_5m {
@@ -106,6 +115,15 @@  &serial_0 {
 	status = "okay";
 };
 
+&ufs_0 {
+	status = "okay";
+	vcc-supply = <&ufs_0_fixed_vcc_reg>;
+};
+
+&ufs_0_phy {
+	status = "okay";
+};
+
 &usi_uart {
 	samsung,clkreq-on; /* needed for UART mode */
 	status = "okay";
diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 09044deede63..baf630b13154 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -1277,6 +1277,42 @@  pinctrl_hsi2: pinctrl@14440000 {
 			interrupts = <GIC_SPI 503 IRQ_TYPE_LEVEL_HIGH 0>;
 		};
 
+		ufs_0_phy: phy@17e04000 {
+			compatible = "google,gs101-ufs-phy";
+			reg = <0x14704000 0x3000>;
+			reg-names = "phy-pma";
+			samsung,pmu-syscon = <&pmu_system_controller>;
+			#phy-cells = <0>;
+			clocks = <&ext_24_5m>;
+			clock-names = "ref_clk";
+			status = "disabled";
+		};
+
+		ufs_0: ufs@14700000 {
+			compatible = "google,gs101-ufs";
+			reg = <0x14700000 0x200>,
+			      <0x14701100 0x200>,
+			      <0x14780000 0xa000>,
+			      <0x14600000 0x100>;
+			reg-names = "hci", "vs_hci", "unipro", "ufsp";
+			interrupts = <GIC_SPI 532 IRQ_TYPE_LEVEL_HIGH 0>;
+			clocks = <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_ACLK>,
+				 <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_CLK_UNIPRO>,
+				 <&cmu_hsi2 CLK_GOUT_HSI2_UFS_EMBD_I_FMP_CLK>,
+				 <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_ACLK>,
+				 <&cmu_hsi2 CLK_GOUT_HSI2_QE_UFS_EMBD_HSI2_PCLK>,
+				 <&cmu_hsi2 CLK_GOUT_HSI2_SYSREG_HSI2_PCLK>;
+			clock-names = "core_clk", "sclk_unipro_main", "fmp",
+				      "ufs_aclk", "ufs_pclk", "sysreg";
+			freq-table-hz = <0 0>, <0 0>, <0 0>, <0 0>, <0 0>, <0 0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;
+			phys = <&ufs_0_phy>;
+			phy-names = "ufs-phy";
+			samsung,sysreg = <&sysreg_hsi2 0x710>;
+			status = "disabled";
+		};
+
 		cmu_apm: clock-controller@17400000 {
 			compatible = "google,gs101-cmu-apm";
 			reg = <0x17400000 0x8000>;