2013-04-30 09:56:34

by Maxime Ripard

[permalink] [raw]
Subject: [PATCH 1/2] clk: sun5i: Add compatibles for Allwinner A13

The A13 has a lot less clocks than the one found in the Allwinner A10.
Add these stripped down clocks to the clock driver and in the
documentation.

Signed-off-by: Maxime Ripard <[email protected]>
---
Documentation/devicetree/bindings/clock/sunxi.txt | 117 +++------------------
.../bindings/clock/sunxi/sun4i-a10-gates.txt | 93 ++++++++++++++++
.../bindings/clock/sunxi/sun5i-a13-gates.txt | 58 ++++++++++
drivers/clk/sunxi/clk-sunxi.c | 31 ++++--
4 files changed, 187 insertions(+), 112 deletions(-)
create mode 100644 Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
create mode 100644 Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt

diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
index 729f524..d495521 100644
--- a/Documentation/devicetree/bindings/clock/sunxi.txt
+++ b/Documentation/devicetree/bindings/clock/sunxi.txt
@@ -12,22 +12,30 @@ Required properties:
"allwinner,sun4i-axi-clk" - for the AXI clock
"allwinner,sun4i-axi-gates-clk" - for the AXI gates
"allwinner,sun4i-ahb-clk" - for the AHB clock
- "allwinner,sun4i-ahb-gates-clk" - for the AHB gates
+ "allwinner,sun4i-ahb-gates-clk" - for the AHB gates on A10
+ "allwinner,sun5i-a13-ahb-gates-clk" - for the AHB gates on A13
"allwinner,sun4i-apb0-clk" - for the APB0 clock
- "allwinner,sun4i-apb0-gates-clk" - for the APB0 gates
+ "allwinner,sun4i-apb0-gates-clk" - for the APB0 gates on A10
+ "allwinner,sun5i-a13-apb0-gates-clk" - for the APB0 gates on A13
"allwinner,sun4i-apb1-clk" - for the APB1 clock
"allwinner,sun4i-apb1-mux-clk" - for the APB1 clock muxing
- "allwinner,sun4i-apb1-gates-clk" - for the APB1 gates
+ "allwinner,sun4i-apb1-gates-clk" - for the APB1 gates on A10
+ "allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13

Required properties for all clocks:
- reg : shall be the control register address for the clock.
- clocks : shall be the input parent clock(s) phandle for the clock
- #clock-cells : from common clock binding; shall be set to 0 except for
- "allwinner,sun4i-*-gates-clk" where it shall be set to 1
+ "allwinner,*-gates-clk" where it shall be set to 1

-Additionally, "allwinner,sun4i-*-gates-clk" clocks require:
+Additionally, "allwinner,*-gates-clk" clocks require:
- clock-output-names : the corresponding gate names that the clock controls

+Clock consumers should specify the desired clocks they use with a
+"clocks" phandle cell. Consumers that are using a gated clock should
+provide an additional ID in their clock property. The values of this
+ID are documented in sunxi/<soc>-gates.txt.
+
For example:

osc24M: osc24M@01c20050 {
@@ -50,102 +58,3 @@ cpu: cpu@01c20054 {
reg = <0x01c20054 0x4>;
clocks = <&osc32k>, <&osc24M>, <&pll1>;
};
-
-
-
-Gate clock outputs
-
-The "allwinner,sun4i-*-gates-clk" clocks provide several gatable outputs;
-their corresponding offsets as present on sun4i are listed below. Note that
-some of these gates are not present on sun5i.
-
- * AXI gates ("allwinner,sun4i-axi-gates-clk")
-
- DRAM 0
-
- * AHB gates ("allwinner,sun4i-ahb-gates-clk")
-
- USB0 0
- EHCI0 1
- OHCI0 2*
- EHCI1 3
- OHCI1 4*
- SS 5
- DMA 6
- BIST 7
- MMC0 8
- MMC1 9
- MMC2 10
- MMC3 11
- MS 12**
- NAND 13
- SDRAM 14
-
- ACE 16
- EMAC 17
- TS 18
-
- SPI0 20
- SPI1 21
- SPI2 22
- SPI3 23
- PATA 24
- SATA 25**
- GPS 26*
-
- VE 32
- TVD 33
- TVE0 34
- TVE1 35
- LCD0 36
- LCD1 37
-
- CSI0 40
- CSI1 41
-
- HDMI 43
- DE_BE0 44
- DE_BE1 45
- DE_FE0 46
- DE_FE1 47
-
- MP 50
-
- MALI400 52
-
- * APB0 gates ("allwinner,sun4i-apb0-gates-clk")
-
- CODEC 0
- SPDIF 1*
- AC97 2
- IIS 3
-
- PIO 5
- IR0 6
- IR1 7
-
- KEYPAD 10
-
- * APB1 gates ("allwinner,sun4i-apb1-gates-clk")
-
- I2C0 0
- I2C1 1
- I2C2 2
-
- CAN 4
- SCR 5
- PS20 6
- PS21 7
-
- UART0 16
- UART1 17
- UART2 18
- UART3 19
- UART4 20
- UART5 21
- UART6 22
- UART7 23
-
-Notation:
- [*]: The datasheet didn't mention these, but they are present on AW code
- [**]: The datasheet had this marked as "NC" but they are used on AW code
diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
new file mode 100644
index 0000000..6a03475
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
@@ -0,0 +1,93 @@
+Gate clock outputs
+------------------
+
+ * AXI gates ("allwinner,sun4i-axi-gates-clk")
+
+ DRAM 0
+
+ * AHB gates ("allwinner,sun4i-ahb-gates-clk")
+
+ USB0 0
+ EHCI0 1
+ OHCI0 2*
+ EHCI1 3
+ OHCI1 4*
+ SS 5
+ DMA 6
+ BIST 7
+ MMC0 8
+ MMC1 9
+ MMC2 10
+ MMC3 11
+ MS 12**
+ NAND 13
+ SDRAM 14
+
+ ACE 16
+ EMAC 17
+ TS 18
+
+ SPI0 20
+ SPI1 21
+ SPI2 22
+ SPI3 23
+ PATA 24
+ SATA 25**
+ GPS 26*
+
+ VE 32
+ TVD 33
+ TVE0 34
+ TVE1 35
+ LCD0 36
+ LCD1 37
+
+ CSI0 40
+ CSI1 41
+
+ HDMI 43
+ DE_BE0 44
+ DE_BE1 45
+ DE_FE1 46
+ DE_FE1 47
+
+ MP 50
+
+ MALI400 52
+
+ * APB0 gates ("allwinner,sun4i-apb0-gates-clk")
+
+ CODEC 0
+ SPDIF 1*
+ AC97 2
+ IIS 3
+
+ PIO 5
+ IR0 6
+ IR1 7
+
+ KEYPAD 10
+
+ * APB1 gates ("allwinner,sun4i-apb1-gates-clk")
+
+ I2C0 0
+ I2C1 1
+ I2C2 2
+
+ CAN 4
+ SCR 5
+ PS20 6
+ PS21 7
+
+ UART0 16
+ UART1 17
+ UART2 18
+ UART3 19
+ UART4 20
+ UART5 21
+ UART6 22
+ UART7 23
+
+Notation:
+ [*]: The datasheet didn't mention these, but they are present on AW code
+ [**]: The datasheet had this marked as "NC" but they are used on AW code
diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
new file mode 100644
index 0000000..006b6df
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
@@ -0,0 +1,58 @@
+Gate clock outputs
+------------------
+
+ * AXI gates ("allwinner,sun4i-axi-gates-clk")
+
+ DRAM 0
+
+ * AHB gates ("allwinner,sun5i-a13-ahb-gates-clk")
+
+ USBOTG 0
+ EHCI 1
+ OHCI 2
+
+ SS 5
+ DMA 6
+ BIST 7
+ MMC0 8
+ MMC1 9
+ MMC2 10
+
+ NAND 13
+ SDRAM 14
+
+ SPI0 20
+ SPI1 21
+ SPI2 22
+
+ STIMER 28
+
+ VE 32
+
+ LCD 36
+
+ CSI 40
+
+ DE_BE 44
+
+ DE_FE 46
+
+ IEP 51
+ MALI400 52
+
+ * APB0 gates ("allwinner,sun5i-a13-apb0-gates-clk")
+
+ CODEC 0
+
+ PIO 5
+ IR 6
+
+ * APB1 gates ("allwinner,sun5i-a13-apb1-gates-clk")
+
+ I2C0 0
+ I2C1 1
+ I2C2 2
+
+ UART1 17
+
+ UART3 19
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 8492ad1..930d36f 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -333,22 +333,34 @@ struct gates_data {
DECLARE_BITMAP(mask, SUNXI_GATES_MAX_SIZE);
};

-static const __initconst struct gates_data axi_gates_data = {
+static const __initconst struct gates_data sun4i_axi_gates_data = {
.mask = {1},
};

-static const __initconst struct gates_data ahb_gates_data = {
+static const __initconst struct gates_data sun4i_ahb_gates_data = {
.mask = {0x7F77FFF, 0x14FB3F},
};

-static const __initconst struct gates_data apb0_gates_data = {
+static const __initconst struct gates_data sun5i_a13_ahb_gates_data = {
+ .mask = {0x107067e7, 0x185111},
+};
+
+static const __initconst struct gates_data sun4i_apb0_gates_data = {
.mask = {0x4EF},
};

-static const __initconst struct gates_data apb1_gates_data = {
+static const __initconst struct gates_data sun5i_a13_apb0_gates_data = {
+ .mask = {0x61},
+};
+
+static const __initconst struct gates_data sun4i_apb1_gates_data = {
.mask = {0xFF00F7},
};

+static const __initconst struct gates_data sun5i_a13_apb1_gates_data = {
+ .mask = {0xa0007},
+};
+
static void __init sunxi_gates_clk_setup(struct device_node *node,
struct gates_data *data)
{
@@ -428,10 +440,13 @@ static const __initconst struct of_device_id clk_mux_match[] = {

/* Matches for gate clocks */
static const __initconst struct of_device_id clk_gates_match[] = {
- {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &axi_gates_data,},
- {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &ahb_gates_data,},
- {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &apb0_gates_data,},
- {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &apb1_gates_data,},
+ {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &sun4i_axi_gates_data,},
+ {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &sun4i_ahb_gates_data,},
+ {.compatible = "allwinner,sun5i-a13-ahb-gates-clk", .data = &sun5i_a13_ahb_gates_data,},
+ {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &sun4i_apb0_gates_data,},
+ {.compatible = "allwinner,sun5i-a13-apb0-gates-clk", .data = &sun5i_a13_apb0_gates_data,},
+ {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &sun4i_apb1_gates_data,},
+ {.compatible = "allwinner,sun5i-a13-apb1-gates-clk", .data = &sun5i_a13_apb1_gates_data,},
{}
};

--
1.8.1.2


2013-04-30 11:20:53

by Emilio López

[permalink] [raw]
Subject: Re: [PATCH 1/2] clk: sun5i: Add compatibles for Allwinner A13

Hi Maxime,

El 30/04/13 06:56, Maxime Ripard escribi?:
> The A13 has a lot less clocks than the one found in the Allwinner A10.
> Add these stripped down clocks to the clock driver and in the
> documentation.
>
> Signed-off-by: Maxime Ripard <[email protected]>

This patch looks good to me.

Acked-by: Emilio L?pez <[email protected]>

> ---
> Documentation/devicetree/bindings/clock/sunxi.txt | 117 +++------------------
> .../bindings/clock/sunxi/sun4i-a10-gates.txt | 93 ++++++++++++++++
> .../bindings/clock/sunxi/sun5i-a13-gates.txt | 58 ++++++++++
> drivers/clk/sunxi/clk-sunxi.c | 31 ++++--
> 4 files changed, 187 insertions(+), 112 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
> create mode 100644 Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
> index 729f524..d495521 100644
> --- a/Documentation/devicetree/bindings/clock/sunxi.txt
> +++ b/Documentation/devicetree/bindings/clock/sunxi.txt
> @@ -12,22 +12,30 @@ Required properties:
> "allwinner,sun4i-axi-clk" - for the AXI clock
> "allwinner,sun4i-axi-gates-clk" - for the AXI gates
> "allwinner,sun4i-ahb-clk" - for the AHB clock
> - "allwinner,sun4i-ahb-gates-clk" - for the AHB gates
> + "allwinner,sun4i-ahb-gates-clk" - for the AHB gates on A10
> + "allwinner,sun5i-a13-ahb-gates-clk" - for the AHB gates on A13
> "allwinner,sun4i-apb0-clk" - for the APB0 clock
> - "allwinner,sun4i-apb0-gates-clk" - for the APB0 gates
> + "allwinner,sun4i-apb0-gates-clk" - for the APB0 gates on A10
> + "allwinner,sun5i-a13-apb0-gates-clk" - for the APB0 gates on A13
> "allwinner,sun4i-apb1-clk" - for the APB1 clock
> "allwinner,sun4i-apb1-mux-clk" - for the APB1 clock muxing
> - "allwinner,sun4i-apb1-gates-clk" - for the APB1 gates
> + "allwinner,sun4i-apb1-gates-clk" - for the APB1 gates on A10
> + "allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13
>
> Required properties for all clocks:
> - reg : shall be the control register address for the clock.
> - clocks : shall be the input parent clock(s) phandle for the clock
> - #clock-cells : from common clock binding; shall be set to 0 except for
> - "allwinner,sun4i-*-gates-clk" where it shall be set to 1
> + "allwinner,*-gates-clk" where it shall be set to 1
>
> -Additionally, "allwinner,sun4i-*-gates-clk" clocks require:
> +Additionally, "allwinner,*-gates-clk" clocks require:
> - clock-output-names : the corresponding gate names that the clock controls
>
> +Clock consumers should specify the desired clocks they use with a
> +"clocks" phandle cell. Consumers that are using a gated clock should
> +provide an additional ID in their clock property. The values of this
> +ID are documented in sunxi/<soc>-gates.txt.
> +
> For example:
>
> osc24M: osc24M@01c20050 {
> @@ -50,102 +58,3 @@ cpu: cpu@01c20054 {
> reg = <0x01c20054 0x4>;
> clocks = <&osc32k>, <&osc24M>, <&pll1>;
> };
> -
> -
> -
> -Gate clock outputs
> -
> -The "allwinner,sun4i-*-gates-clk" clocks provide several gatable outputs;
> -their corresponding offsets as present on sun4i are listed below. Note that
> -some of these gates are not present on sun5i.
> -
> - * AXI gates ("allwinner,sun4i-axi-gates-clk")
> -
> - DRAM 0
> -
> - * AHB gates ("allwinner,sun4i-ahb-gates-clk")
> -
> - USB0 0
> - EHCI0 1
> - OHCI0 2*
> - EHCI1 3
> - OHCI1 4*
> - SS 5
> - DMA 6
> - BIST 7
> - MMC0 8
> - MMC1 9
> - MMC2 10
> - MMC3 11
> - MS 12**
> - NAND 13
> - SDRAM 14
> -
> - ACE 16
> - EMAC 17
> - TS 18
> -
> - SPI0 20
> - SPI1 21
> - SPI2 22
> - SPI3 23
> - PATA 24
> - SATA 25**
> - GPS 26*
> -
> - VE 32
> - TVD 33
> - TVE0 34
> - TVE1 35
> - LCD0 36
> - LCD1 37
> -
> - CSI0 40
> - CSI1 41
> -
> - HDMI 43
> - DE_BE0 44
> - DE_BE1 45
> - DE_FE0 46
> - DE_FE1 47
> -
> - MP 50
> -
> - MALI400 52
> -
> - * APB0 gates ("allwinner,sun4i-apb0-gates-clk")
> -
> - CODEC 0
> - SPDIF 1*
> - AC97 2
> - IIS 3
> -
> - PIO 5
> - IR0 6
> - IR1 7
> -
> - KEYPAD 10
> -
> - * APB1 gates ("allwinner,sun4i-apb1-gates-clk")
> -
> - I2C0 0
> - I2C1 1
> - I2C2 2
> -
> - CAN 4
> - SCR 5
> - PS20 6
> - PS21 7
> -
> - UART0 16
> - UART1 17
> - UART2 18
> - UART3 19
> - UART4 20
> - UART5 21
> - UART6 22
> - UART7 23
> -
> -Notation:
> - [*]: The datasheet didn't mention these, but they are present on AW code
> - [**]: The datasheet had this marked as "NC" but they are used on AW code
> diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
> new file mode 100644
> index 0000000..6a03475
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
> @@ -0,0 +1,93 @@
> +Gate clock outputs
> +------------------
> +
> + * AXI gates ("allwinner,sun4i-axi-gates-clk")
> +
> + DRAM 0
> +
> + * AHB gates ("allwinner,sun4i-ahb-gates-clk")
> +
> + USB0 0
> + EHCI0 1
> + OHCI0 2*
> + EHCI1 3
> + OHCI1 4*
> + SS 5
> + DMA 6
> + BIST 7
> + MMC0 8
> + MMC1 9
> + MMC2 10
> + MMC3 11
> + MS 12**
> + NAND 13
> + SDRAM 14
> +
> + ACE 16
> + EMAC 17
> + TS 18
> +
> + SPI0 20
> + SPI1 21
> + SPI2 22
> + SPI3 23
> + PATA 24
> + SATA 25**
> + GPS 26*
> +
> + VE 32
> + TVD 33
> + TVE0 34
> + TVE1 35
> + LCD0 36
> + LCD1 37
> +
> + CSI0 40
> + CSI1 41
> +
> + HDMI 43
> + DE_BE0 44
> + DE_BE1 45
> + DE_FE1 46
> + DE_FE1 47
> +
> + MP 50
> +
> + MALI400 52
> +
> + * APB0 gates ("allwinner,sun4i-apb0-gates-clk")
> +
> + CODEC 0
> + SPDIF 1*
> + AC97 2
> + IIS 3
> +
> + PIO 5
> + IR0 6
> + IR1 7
> +
> + KEYPAD 10
> +
> + * APB1 gates ("allwinner,sun4i-apb1-gates-clk")
> +
> + I2C0 0
> + I2C1 1
> + I2C2 2
> +
> + CAN 4
> + SCR 5
> + PS20 6
> + PS21 7
> +
> + UART0 16
> + UART1 17
> + UART2 18
> + UART3 19
> + UART4 20
> + UART5 21
> + UART6 22
> + UART7 23
> +
> +Notation:
> + [*]: The datasheet didn't mention these, but they are present on AW code
> + [**]: The datasheet had this marked as "NC" but they are used on AW code
> diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
> new file mode 100644
> index 0000000..006b6df
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
> @@ -0,0 +1,58 @@
> +Gate clock outputs
> +------------------
> +
> + * AXI gates ("allwinner,sun4i-axi-gates-clk")
> +
> + DRAM 0
> +
> + * AHB gates ("allwinner,sun5i-a13-ahb-gates-clk")
> +
> + USBOTG 0
> + EHCI 1
> + OHCI 2
> +
> + SS 5
> + DMA 6
> + BIST 7
> + MMC0 8
> + MMC1 9
> + MMC2 10
> +
> + NAND 13
> + SDRAM 14
> +
> + SPI0 20
> + SPI1 21
> + SPI2 22
> +
> + STIMER 28
> +
> + VE 32
> +
> + LCD 36
> +
> + CSI 40
> +
> + DE_BE 44
> +
> + DE_FE 46
> +
> + IEP 51
> + MALI400 52
> +
> + * APB0 gates ("allwinner,sun5i-a13-apb0-gates-clk")
> +
> + CODEC 0
> +
> + PIO 5
> + IR 6
> +
> + * APB1 gates ("allwinner,sun5i-a13-apb1-gates-clk")
> +
> + I2C0 0
> + I2C1 1
> + I2C2 2
> +
> + UART1 17
> +
> + UART3 19
> diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
> index 8492ad1..930d36f 100644
> --- a/drivers/clk/sunxi/clk-sunxi.c
> +++ b/drivers/clk/sunxi/clk-sunxi.c
> @@ -333,22 +333,34 @@ struct gates_data {
> DECLARE_BITMAP(mask, SUNXI_GATES_MAX_SIZE);
> };
>
> -static const __initconst struct gates_data axi_gates_data = {
> +static const __initconst struct gates_data sun4i_axi_gates_data = {
> .mask = {1},
> };
>
> -static const __initconst struct gates_data ahb_gates_data = {
> +static const __initconst struct gates_data sun4i_ahb_gates_data = {
> .mask = {0x7F77FFF, 0x14FB3F},
> };
>
> -static const __initconst struct gates_data apb0_gates_data = {
> +static const __initconst struct gates_data sun5i_a13_ahb_gates_data = {
> + .mask = {0x107067e7, 0x185111},

If you send a v2 please use uppercase e and a below for consistency.

> +};
> +
> +static const __initconst struct gates_data sun4i_apb0_gates_data = {
> .mask = {0x4EF},
> };
>
> -static const __initconst struct gates_data apb1_gates_data = {
> +static const __initconst struct gates_data sun5i_a13_apb0_gates_data = {
> + .mask = {0x61},
> +};
> +
> +static const __initconst struct gates_data sun4i_apb1_gates_data = {
> .mask = {0xFF00F7},
> };
>
> +static const __initconst struct gates_data sun5i_a13_apb1_gates_data = {
> + .mask = {0xa0007},

> +};
> +
> static void __init sunxi_gates_clk_setup(struct device_node *node,
> struct gates_data *data)
> {
> @@ -428,10 +440,13 @@ static const __initconst struct of_device_id clk_mux_match[] = {
>
> /* Matches for gate clocks */
> static const __initconst struct of_device_id clk_gates_match[] = {
> - {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &axi_gates_data,},
> - {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &ahb_gates_data,},
> - {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &apb0_gates_data,},
> - {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &apb1_gates_data,},
> + {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &sun4i_axi_gates_data,},
> + {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &sun4i_ahb_gates_data,},
> + {.compatible = "allwinner,sun5i-a13-ahb-gates-clk", .data = &sun5i_a13_ahb_gates_data,},
> + {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &sun4i_apb0_gates_data,},
> + {.compatible = "allwinner,sun5i-a13-apb0-gates-clk", .data = &sun5i_a13_apb0_gates_data,},
> + {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &sun4i_apb1_gates_data,},
> + {.compatible = "allwinner,sun5i-a13-apb1-gates-clk", .data = &sun5i_a13_apb1_gates_data,},
> {}
> };
>
>

Thanks!

Emilio

2013-05-14 19:26:10

by Mike Turquette

[permalink] [raw]
Subject: Re: [PATCH 1/2] clk: sun5i: Add compatibles for Allwinner A13

Quoting Emilio López (2013-04-30 04:20:23)
> Hi Maxime,
>
> El 30/04/13 06:56, Maxime Ripard escribió:
> > The A13 has a lot less clocks than the one found in the Allwinner A10.
> > Add these stripped down clocks to the clock driver and in the
> > documentation.
> >
> > Signed-off-by: Maxime Ripard <[email protected]>
>
> This patch looks good to me.
>
> Acked-by: Emilio López <[email protected]>
>

I've taken patch #1 into clk-next.

Thanks!
Mike

> > ---
> > Documentation/devicetree/bindings/clock/sunxi.txt | 117 +++------------------
> > .../bindings/clock/sunxi/sun4i-a10-gates.txt | 93 ++++++++++++++++
> > .../bindings/clock/sunxi/sun5i-a13-gates.txt | 58 ++++++++++
> > drivers/clk/sunxi/clk-sunxi.c | 31 ++++--
> > 4 files changed, 187 insertions(+), 112 deletions(-)
> > create mode 100644 Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
> > create mode 100644 Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
> >
> > diff --git a/Documentation/devicetree/bindings/clock/sunxi.txt b/Documentation/devicetree/bindings/clock/sunxi.txt
> > index 729f524..d495521 100644
> > --- a/Documentation/devicetree/bindings/clock/sunxi.txt
> > +++ b/Documentation/devicetree/bindings/clock/sunxi.txt
> > @@ -12,22 +12,30 @@ Required properties:
> > "allwinner,sun4i-axi-clk" - for the AXI clock
> > "allwinner,sun4i-axi-gates-clk" - for the AXI gates
> > "allwinner,sun4i-ahb-clk" - for the AHB clock
> > - "allwinner,sun4i-ahb-gates-clk" - for the AHB gates
> > + "allwinner,sun4i-ahb-gates-clk" - for the AHB gates on A10
> > + "allwinner,sun5i-a13-ahb-gates-clk" - for the AHB gates on A13
> > "allwinner,sun4i-apb0-clk" - for the APB0 clock
> > - "allwinner,sun4i-apb0-gates-clk" - for the APB0 gates
> > + "allwinner,sun4i-apb0-gates-clk" - for the APB0 gates on A10
> > + "allwinner,sun5i-a13-apb0-gates-clk" - for the APB0 gates on A13
> > "allwinner,sun4i-apb1-clk" - for the APB1 clock
> > "allwinner,sun4i-apb1-mux-clk" - for the APB1 clock muxing
> > - "allwinner,sun4i-apb1-gates-clk" - for the APB1 gates
> > + "allwinner,sun4i-apb1-gates-clk" - for the APB1 gates on A10
> > + "allwinner,sun5i-a13-apb1-gates-clk" - for the APB1 gates on A13
> >
> > Required properties for all clocks:
> > - reg : shall be the control register address for the clock.
> > - clocks : shall be the input parent clock(s) phandle for the clock
> > - #clock-cells : from common clock binding; shall be set to 0 except for
> > - "allwinner,sun4i-*-gates-clk" where it shall be set to 1
> > + "allwinner,*-gates-clk" where it shall be set to 1
> >
> > -Additionally, "allwinner,sun4i-*-gates-clk" clocks require:
> > +Additionally, "allwinner,*-gates-clk" clocks require:
> > - clock-output-names : the corresponding gate names that the clock controls
> >
> > +Clock consumers should specify the desired clocks they use with a
> > +"clocks" phandle cell. Consumers that are using a gated clock should
> > +provide an additional ID in their clock property. The values of this
> > +ID are documented in sunxi/<soc>-gates.txt.
> > +
> > For example:
> >
> > osc24M: osc24M@01c20050 {
> > @@ -50,102 +58,3 @@ cpu: cpu@01c20054 {
> > reg = <0x01c20054 0x4>;
> > clocks = <&osc32k>, <&osc24M>, <&pll1>;
> > };
> > -
> > -
> > -
> > -Gate clock outputs
> > -
> > -The "allwinner,sun4i-*-gates-clk" clocks provide several gatable outputs;
> > -their corresponding offsets as present on sun4i are listed below. Note that
> > -some of these gates are not present on sun5i.
> > -
> > - * AXI gates ("allwinner,sun4i-axi-gates-clk")
> > -
> > - DRAM 0
> > -
> > - * AHB gates ("allwinner,sun4i-ahb-gates-clk")
> > -
> > - USB0 0
> > - EHCI0 1
> > - OHCI0 2*
> > - EHCI1 3
> > - OHCI1 4*
> > - SS 5
> > - DMA 6
> > - BIST 7
> > - MMC0 8
> > - MMC1 9
> > - MMC2 10
> > - MMC3 11
> > - MS 12**
> > - NAND 13
> > - SDRAM 14
> > -
> > - ACE 16
> > - EMAC 17
> > - TS 18
> > -
> > - SPI0 20
> > - SPI1 21
> > - SPI2 22
> > - SPI3 23
> > - PATA 24
> > - SATA 25**
> > - GPS 26*
> > -
> > - VE 32
> > - TVD 33
> > - TVE0 34
> > - TVE1 35
> > - LCD0 36
> > - LCD1 37
> > -
> > - CSI0 40
> > - CSI1 41
> > -
> > - HDMI 43
> > - DE_BE0 44
> > - DE_BE1 45
> > - DE_FE0 46
> > - DE_FE1 47
> > -
> > - MP 50
> > -
> > - MALI400 52
> > -
> > - * APB0 gates ("allwinner,sun4i-apb0-gates-clk")
> > -
> > - CODEC 0
> > - SPDIF 1*
> > - AC97 2
> > - IIS 3
> > -
> > - PIO 5
> > - IR0 6
> > - IR1 7
> > -
> > - KEYPAD 10
> > -
> > - * APB1 gates ("allwinner,sun4i-apb1-gates-clk")
> > -
> > - I2C0 0
> > - I2C1 1
> > - I2C2 2
> > -
> > - CAN 4
> > - SCR 5
> > - PS20 6
> > - PS21 7
> > -
> > - UART0 16
> > - UART1 17
> > - UART2 18
> > - UART3 19
> > - UART4 20
> > - UART5 21
> > - UART6 22
> > - UART7 23
> > -
> > -Notation:
> > - [*]: The datasheet didn't mention these, but they are present on AW code
> > - [**]: The datasheet had this marked as "NC" but they are used on AW code
> > diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
> > new file mode 100644
> > index 0000000..6a03475
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt
> > @@ -0,0 +1,93 @@
> > +Gate clock outputs
> > +------------------
> > +
> > + * AXI gates ("allwinner,sun4i-axi-gates-clk")
> > +
> > + DRAM 0
> > +
> > + * AHB gates ("allwinner,sun4i-ahb-gates-clk")
> > +
> > + USB0 0
> > + EHCI0 1
> > + OHCI0 2*
> > + EHCI1 3
> > + OHCI1 4*
> > + SS 5
> > + DMA 6
> > + BIST 7
> > + MMC0 8
> > + MMC1 9
> > + MMC2 10
> > + MMC3 11
> > + MS 12**
> > + NAND 13
> > + SDRAM 14
> > +
> > + ACE 16
> > + EMAC 17
> > + TS 18
> > +
> > + SPI0 20
> > + SPI1 21
> > + SPI2 22
> > + SPI3 23
> > + PATA 24
> > + SATA 25**
> > + GPS 26*
> > +
> > + VE 32
> > + TVD 33
> > + TVE0 34
> > + TVE1 35
> > + LCD0 36
> > + LCD1 37
> > +
> > + CSI0 40
> > + CSI1 41
> > +
> > + HDMI 43
> > + DE_BE0 44
> > + DE_BE1 45
> > + DE_FE1 46
> > + DE_FE1 47
> > +
> > + MP 50
> > +
> > + MALI400 52
> > +
> > + * APB0 gates ("allwinner,sun4i-apb0-gates-clk")
> > +
> > + CODEC 0
> > + SPDIF 1*
> > + AC97 2
> > + IIS 3
> > +
> > + PIO 5
> > + IR0 6
> > + IR1 7
> > +
> > + KEYPAD 10
> > +
> > + * APB1 gates ("allwinner,sun4i-apb1-gates-clk")
> > +
> > + I2C0 0
> > + I2C1 1
> > + I2C2 2
> > +
> > + CAN 4
> > + SCR 5
> > + PS20 6
> > + PS21 7
> > +
> > + UART0 16
> > + UART1 17
> > + UART2 18
> > + UART3 19
> > + UART4 20
> > + UART5 21
> > + UART6 22
> > + UART7 23
> > +
> > +Notation:
> > + [*]: The datasheet didn't mention these, but they are present on AW code
> > + [**]: The datasheet had this marked as "NC" but they are used on AW code
> > diff --git a/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
> > new file mode 100644
> > index 0000000..006b6df
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt
> > @@ -0,0 +1,58 @@
> > +Gate clock outputs
> > +------------------
> > +
> > + * AXI gates ("allwinner,sun4i-axi-gates-clk")
> > +
> > + DRAM 0
> > +
> > + * AHB gates ("allwinner,sun5i-a13-ahb-gates-clk")
> > +
> > + USBOTG 0
> > + EHCI 1
> > + OHCI 2
> > +
> > + SS 5
> > + DMA 6
> > + BIST 7
> > + MMC0 8
> > + MMC1 9
> > + MMC2 10
> > +
> > + NAND 13
> > + SDRAM 14
> > +
> > + SPI0 20
> > + SPI1 21
> > + SPI2 22
> > +
> > + STIMER 28
> > +
> > + VE 32
> > +
> > + LCD 36
> > +
> > + CSI 40
> > +
> > + DE_BE 44
> > +
> > + DE_FE 46
> > +
> > + IEP 51
> > + MALI400 52
> > +
> > + * APB0 gates ("allwinner,sun5i-a13-apb0-gates-clk")
> > +
> > + CODEC 0
> > +
> > + PIO 5
> > + IR 6
> > +
> > + * APB1 gates ("allwinner,sun5i-a13-apb1-gates-clk")
> > +
> > + I2C0 0
> > + I2C1 1
> > + I2C2 2
> > +
> > + UART1 17
> > +
> > + UART3 19
> > diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
> > index 8492ad1..930d36f 100644
> > --- a/drivers/clk/sunxi/clk-sunxi.c
> > +++ b/drivers/clk/sunxi/clk-sunxi.c
> > @@ -333,22 +333,34 @@ struct gates_data {
> > DECLARE_BITMAP(mask, SUNXI_GATES_MAX_SIZE);
> > };
> >
> > -static const __initconst struct gates_data axi_gates_data = {
> > +static const __initconst struct gates_data sun4i_axi_gates_data = {
> > .mask = {1},
> > };
> >
> > -static const __initconst struct gates_data ahb_gates_data = {
> > +static const __initconst struct gates_data sun4i_ahb_gates_data = {
> > .mask = {0x7F77FFF, 0x14FB3F},
> > };
> >
> > -static const __initconst struct gates_data apb0_gates_data = {
> > +static const __initconst struct gates_data sun5i_a13_ahb_gates_data = {
> > + .mask = {0x107067e7, 0x185111},
>
> If you send a v2 please use uppercase e and a below for consistency.
>
> > +};
> > +
> > +static const __initconst struct gates_data sun4i_apb0_gates_data = {
> > .mask = {0x4EF},
> > };
> >
> > -static const __initconst struct gates_data apb1_gates_data = {
> > +static const __initconst struct gates_data sun5i_a13_apb0_gates_data = {
> > + .mask = {0x61},
> > +};
> > +
> > +static const __initconst struct gates_data sun4i_apb1_gates_data = {
> > .mask = {0xFF00F7},
> > };
> >
> > +static const __initconst struct gates_data sun5i_a13_apb1_gates_data = {
> > + .mask = {0xa0007},
>
> > +};
> > +
> > static void __init sunxi_gates_clk_setup(struct device_node *node,
> > struct gates_data *data)
> > {
> > @@ -428,10 +440,13 @@ static const __initconst struct of_device_id clk_mux_match[] = {
> >
> > /* Matches for gate clocks */
> > static const __initconst struct of_device_id clk_gates_match[] = {
> > - {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &axi_gates_data,},
> > - {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &ahb_gates_data,},
> > - {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &apb0_gates_data,},
> > - {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &apb1_gates_data,},
> > + {.compatible = "allwinner,sun4i-axi-gates-clk", .data = &sun4i_axi_gates_data,},
> > + {.compatible = "allwinner,sun4i-ahb-gates-clk", .data = &sun4i_ahb_gates_data,},
> > + {.compatible = "allwinner,sun5i-a13-ahb-gates-clk", .data = &sun5i_a13_ahb_gates_data,},
> > + {.compatible = "allwinner,sun4i-apb0-gates-clk", .data = &sun4i_apb0_gates_data,},
> > + {.compatible = "allwinner,sun5i-a13-apb0-gates-clk", .data = &sun5i_a13_apb0_gates_data,},
> > + {.compatible = "allwinner,sun4i-apb1-gates-clk", .data = &sun4i_apb1_gates_data,},
> > + {.compatible = "allwinner,sun5i-a13-apb1-gates-clk", .data = &sun5i_a13_apb1_gates_data,},
> > {}
> > };
> >
> >
>
> Thanks!
>
> Emilio