[PATCH V9 2/2] ARM: dts: Enable ahci sata and sata phy
Kishon Vijay Abraham I
kishon at ti.com
Mon Mar 3 06:59:00 EST 2014
On Monday 03 March 2014 10:52 AM, Yuvaraj Kumar C D wrote:
> This patch adds dt entry for ahci sata controller and its
> corresponding phy controller.phy node has been added w.r.t
> new generic phy framework.
>
> Signed-off-by: Yuvaraj Kumar C D <yuvaraj.cd at samsung.com>
This should go via exynos dt tree.
FWIW
Acked-by: Kishon Vijay Abraham I <kishon at ti.com>
> ---
> Changes since V8:
> 1.sata at 122f0000 and sata_phy at 12170000 disabled by default in
> SOC specific dts file and enabled the same in board dts file.
>
> Changes since V7:
> 1.syscon-phandle name updated.
>
> Changes since V6:none
>
> Changes since V5:none
>
> Changes since V4:
> 1.Used the new phandle "sata_phy_i2c" in the DT entry.
> 2.Updated binding document.
>
> Changes since V3:
> 1.Moved the binding info to the /bindings/phy/
>
> Changes since V2:
> 1.Used syscon interface to PMU handling.
> 2.Changed "sata-phy-i2c" to "exynos-sataphy-i2c".
>
> Changes since V1:
> 1.Minor changes to node name convention.
> 2.Updated binding document.
>
>
> .../devicetree/bindings/ata/exynos-sata-phy.txt | 14 --------
> .../devicetree/bindings/ata/exynos-sata.txt | 25 +++++++++-----
> .../devicetree/bindings/phy/samsung-phy.txt | 36 ++++++++++++++++++++
> arch/arm/boot/dts/exynos5250-arndale.dts | 21 ++++++++++++
> arch/arm/boot/dts/exynos5250-smdk5250.dts | 17 +++++----
> arch/arm/boot/dts/exynos5250.dtsi | 18 +++++++---
> 6 files changed, 98 insertions(+), 33 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
>
> diff --git a/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt b/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
> deleted file mode 100644
> index 37824fa..0000000
> --- a/Documentation/devicetree/bindings/ata/exynos-sata-phy.txt
> +++ /dev/null
> @@ -1,14 +0,0 @@
> -* Samsung SATA PHY Controller
> -
> -SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers.
> -Each SATA PHY controller should have its own node.
> -
> -Required properties:
> -- compatible : compatible list, contains "samsung,exynos5-sata-phy"
> -- reg : <registers mapping>
> -
> -Example:
> - sata at ffe07000 {
> - compatible = "samsung,exynos5-sata-phy";
> - reg = <0xffe07000 0x1000>;
> - };
> diff --git a/Documentation/devicetree/bindings/ata/exynos-sata.txt b/Documentation/devicetree/bindings/ata/exynos-sata.txt
> index 0849f10..b2adb1f 100644
> --- a/Documentation/devicetree/bindings/ata/exynos-sata.txt
> +++ b/Documentation/devicetree/bindings/ata/exynos-sata.txt
> @@ -4,14 +4,21 @@ SATA nodes are defined to describe on-chip Serial ATA controllers.
> Each SATA controller should have its own node.
>
> Required properties:
> -- compatible : compatible list, contains "samsung,exynos5-sata"
> -- interrupts : <interrupt mapping for SATA IRQ>
> -- reg : <registers mapping>
> -- samsung,sata-freq : <frequency in MHz>
> +- compatible : compatible list, contains "samsung,exynos5-sata"
> +- interrupts : <interrupt mapping for SATA IRQ>
> +- reg : <registers mapping>
> +- samsung,sata-freq : <frequency in MHz>
> +- phys : as mentioned in phy-bindings.txt
> +- phy-names : as mentioned in phy-bindings.txt
>
> Example:
> - sata at ffe08000 {
> - compatible = "samsung,exynos5-sata";
> - reg = <0xffe08000 0x1000>;
> - interrupts = <115>;
> - };
> + sata at 122f0000 {
> + compatible = "snps,dwc-ahci";
> + samsung,sata-freq = <66>;
> + reg = <0x122f0000 0x1ff>;
> + interrupts = <0 115 0>;
> + clocks = <&clock 277>, <&clock 143>;
> + clock-names = "sata", "sclk_sata";
> + phys = <&sata_phy>;
> + phy-names = "sata-phy";
> + };
> diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt
> index c0fccaa..a937f75 100644
> --- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
> +++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
> @@ -20,3 +20,39 @@ Required properties:
> - compatible : should be "samsung,exynos5250-dp-video-phy";
> - reg : offset and length of the Display Port PHY register set;
> - #phy-cells : from the generic PHY bindings, must be 0;
> +
> +Samsung SATA PHY Controller
> +---------------------------
> +
> +SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers.
> +Each SATA PHY controller should have its own node.
> +
> +Required properties:
> +- compatible : compatible list, contains "samsung,exynos5250-sata-phy"
> +- reg : offset and length of the SATA PHY register set;
> +- #phy-cells : from the generic phy bindings;
> +
> +Example:
> + sata_phy: sata-phy at 12170000 {
> + compatible = "samsung,exynos5250-sata-phy";
> + reg = <0x12170000 0x1ff>;
> + clocks = <&clock 287>;
> + clock-names = "sata_phyctrl";
> + #phy-cells = <0>;
> + samsung,exynos-sataphy-i2c-phandle = <&sata_phy_i2c>;
> + samsung,syscon-phandle = <&pmu_syscon>;
> + };
> +
> +Device-Tree bindings for sataphy i2c client driver
> +--------------------------------------------------
> +
> +Required properties:
> +compatible: Should be "samsung,exynos-sataphy-i2c"
> +- reg: I2C address of the sataphy i2c device.
> +
> +Example:
> +
> + sata_phy_i2c:sata-phy at 38 {
> + compatible = "samsung,exynos-sataphy-i2c";
> + reg = <0x38>;
> + };
> diff --git a/arch/arm/boot/dts/exynos5250-arndale.dts b/arch/arm/boot/dts/exynos5250-arndale.dts
> index 38b96a4..97eef40 100644
> --- a/arch/arm/boot/dts/exynos5250-arndale.dts
> +++ b/arch/arm/boot/dts/exynos5250-arndale.dts
> @@ -375,6 +375,27 @@
> };
> };
>
> + i2c at 121D0000 {
> + status = "okay";
> + samsung,i2c-sda-delay = <100>;
> + samsung,i2c-max-bus-freq = <40000>;
> + samsung,i2c-slave-addr = <0x38>;
> +
> + sata_phy_i2c:sata-phy at 38 {
> + compatible = "samsung,exynos-sataphy-i2c";
> + reg = <0x38>;
> + };
> + };
> +
> + sata at 122F0000 {
> + status = "okay";
> + };
> +
> + sata-phy at 12170000 {
> + status = "okay";
> + samsung,exynos-sataphy-i2c-phandle = <&sata_phy_i2c>;
> + };
> +
> mmc_0: mmc at 12200000 {
> status = "okay";
> num-slots = <1>;
> diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> index 0837dd8..e0da05b 100644
> --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
> +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
> @@ -100,16 +100,12 @@
> samsung,i2c-slave-addr = <0x38>;
> status = "okay";
>
> - sata-phy {
> - compatible = "samsung,sata-phy";
> + sata_phy_i2c:sata-phy at 38 {
> + compatible = "samsung,exynos-sataphy-i2c";
> reg = <0x38>;
> };
> };
>
> - sata at 122F0000 {
> - samsung,sata-freq = <66>;
> - };
> -
> i2c at 12C80000 {
> samsung,i2c-sda-delay = <100>;
> samsung,i2c-max-bus-freq = <66000>;
> @@ -132,6 +128,15 @@
> };
> };
>
> + sata at 122F0000 {
> + status = "okay";
> + };
> +
> + sata-phy at 12170000 {
> + status = "okay";
> + samsung,exynos-sataphy-i2c-phandle = <&sata_phy_i2c>;
> + };
> +
> mmc at 12200000 {
> status = "okay";
> num-slots = <1>;
> diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
> index 8f6300f..31f7cab 100644
> --- a/arch/arm/boot/dts/exynos5250.dtsi
> +++ b/arch/arm/boot/dts/exynos5250.dtsi
> @@ -46,6 +46,7 @@
> i2c6 = &i2c_6;
> i2c7 = &i2c_7;
> i2c8 = &i2c_8;
> + i2c9 = &i2c_9;
> pinctrl0 = &pinctrl_0;
> pinctrl1 = &pinctrl_1;
> pinctrl2 = &pinctrl_2;
> @@ -233,16 +234,25 @@
> };
>
> sata at 122F0000 {
> - compatible = "samsung,exynos5-sata-ahci";
> + compatible = "snps,dwc-ahci";
> + samsung,sata-freq = <66>;
> reg = <0x122F0000 0x1ff>;
> interrupts = <0 115 0>;
> clocks = <&clock 277>, <&clock 143>;
> clock-names = "sata", "sclk_sata";
> + phys = <&sata_phy>;
> + phy-names = "sata-phy";
> + status = "disabled";
> };
>
> - sata-phy at 12170000 {
> - compatible = "samsung,exynos5-sata-phy";
> + sata_phy: sata-phy at 12170000 {
> + compatible = "samsung,exynos5250-sata-phy";
> reg = <0x12170000 0x1ff>;
> + clocks = <&clock 287>;
> + clock-names = "sata_phyctrl";
> + #phy-cells = <0>;
> + samsung,syscon-phandle = <&pmu_system_controller>;
> + status = "disabled";
> };
>
> i2c_0: i2c at 12C60000 {
> @@ -360,7 +370,7 @@
> status = "disabled";
> };
>
> - i2c at 121D0000 {
> + i2c_9: i2c at 121D0000 {
> compatible = "samsung,exynos5-sata-phy-i2c";
> reg = <0x121D0000 0x100>;
> #address-cells = <1>;
>
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