]> rtime.felk.cvut.cz Git - linux-imx.git/commitdiff
clk: sun5i: Add compatibles for Allwinner A13
authorMaxime Ripard <maxime.ripard@free-electrons.com>
Tue, 30 Apr 2013 09:56:22 +0000 (11:56 +0200)
committerMike Turquette <mturquette@linaro.org>
Wed, 29 May 2013 05:50:31 +0000 (22:50 -0700)
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 <maxime.ripard@free-electrons.com>
Acked-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Documentation/devicetree/bindings/clock/sunxi.txt
Documentation/devicetree/bindings/clock/sunxi/sun4i-a10-gates.txt [new file with mode: 0644]
Documentation/devicetree/bindings/clock/sunxi/sun5i-a13-gates.txt [new file with mode: 0644]
drivers/clk/sunxi/clk-sunxi.c

index 729f52426fe1b16c969ea36a767db802e6a03f99..d495521a79d2c1fa028c43f50b77dd7423388432 100644 (file)
@@ -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 (file)
index 0000000..6a03475
--- /dev/null
@@ -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 (file)
index 0000000..006b6df
--- /dev/null
@@ -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
index 8492ad1d53601d19c0c0481e8c12bd696dd00683..930d36fdb1c902977c1408fac7aff83128830ac5 100644 (file)
@@ -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,},
        {}
 };