| Message ID | 1441865490-104686-2-git-send-email-puck.chen@hisilicon.com |
|---|---|
| State | New |
| Headers | show |
Am Donnerstag, den 10.09.2015, 14:11 +0800 schrieb Chen Feng: > Add DT bindings documentation for hi6220 SoC reset controller. > > Signed-off-by: Chen Feng <puck.chen@hisilicon.com> > --- > .../bindings/reset/hisilicon,hi6220-reset.txt | 97 ++++++++++++++++++++++ > arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 2 +- > 2 files changed, 98 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt > > diff --git a/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt > new file mode 100644 > index 0000000..8a23f50 > --- /dev/null > +++ b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt > @@ -0,0 +1,97 @@ > +Hisilicon System Reset Controller > +====================================== > + > +Please also refer to reset.txt in this directory for common reset > +controller binding usage. > + > +The reset controller node must be a sub-node of the chip controller > +node on SoCs. > + > +Required properties: > +- compatible: may be "hisilicon,hisi_reset_ctl" > +- reg: should be register base and length as documented in the > + datasheet > +- #reset-cells: 1, see below > + > +Example: > + > + reset_ctrl: reset_ctrl@f7030304 { > + compatible = "hisilicon,hi6220_reset_ctl"; See my comments for patch 1. Also, is this called reset_ctrl or reset_ctl in the data sheets? > + reg = <0x0 0xf7030304 0x0 0x1000>; > + #reset-cells = <1>; > + }; > + > +Specifying reset lines connected to IP modules > +============================================== > +example: > + > + uart1: uart1@..... { > + ... > + resets = <&reset_ctrl 0x305>; > + ... > + }; > + > +The following RESET_INDEX values are valid for hi6220 SoC: > + PERIPH_RSTDIS0_MMC0 = 0x000, > + PERIPH_RSTDIS0_MMC1 = 0x001, > + PERIPH_RSTDIS0_MMC2 = 0x002, > + PERIPH_RSTDIS0_NANDC = 0x003, > + PERIPH_RSTDIS0_USBOTG_BUS = 0x004, > + PERIPH_RSTDIS0_POR_PICOPHY = 0x005, > + PERIPH_RSTDIS0_USBOTG = 0x006, > + PERIPH_RSTDIS0_USBOTG_32K = 0x007, > + > + PERIPH_RSTDIS1_HIFI = 0x100, > + PERIPH_RSTDIS1_DIGACODEC = 0x105, > + > + PERIPH_RSTEN2_IPF = 0x200, > + PERIPH_RSTEN2_SOCP = 0x201, > + PERIPH_RSTEN2_DMAC = 0x202, > + PERIPH_RSTEN2_SECENG = 0x203, > + PERIPH_RSTEN2_ABB = 0x204, > + PERIPH_RSTEN2_HPM0 = 0x205, > + PERIPH_RSTEN2_HPM1 = 0x206, > + PERIPH_RSTEN2_HPM2 = 0x207, > + PERIPH_RSTEN2_HPM3 = 0x208, > + > + PERIPH_RSTEN3_CSSYS = 0x300, > + PERIPH_RSTEN3_I2C0 = 0x301, > + PERIPH_RSTEN3_I2C1 = 0x302, > + PERIPH_RSTEN3_I2C2 = 0x303, > + PERIPH_RSTEN3_I2C3 = 0x304, > + PERIPH_RSTEN3_UART1 = 0x305, > + PERIPH_RSTEN3_UART2 = 0x306, > + PERIPH_RSTEN3_UART3 = 0x307, > + PERIPH_RSTEN3_UART4 = 0x308, > + PERIPH_RSTEN3_SSP = 0x309, > + PERIPH_RSTEN3_PWM = 0x30a, > + PERIPH_RSTEN3_BLPWM = 0x30b, > + PERIPH_RSTEN3_TSENSOR = 0x30c, > + PERIPH_RSTEN3_DAPB = 0x312, > + PERIPH_RSTEN3_HKADC = 0x313, > + PERIPH_RSTEN3_CODEC_SSI = 0x314, > + PERIPH_RSTEN3_PMUSSI1 = 0x316, > + > + PERIPH_RSTEN8_RS0 = 0x400, > + PERIPH_RSTEN8_RS2 = 0x401, > + PERIPH_RSTEN8_RS3 = 0x402, > + PERIPH_RSTEN8_MS0 = 0x403, > + PERIPH_RSTEN8_MS2 = 0x405, > + PERIPH_RSTEN8_XG2RAM0 = 0x406, > + PERIPH_RSTEN8_X2SRAM_TZMA = 0x407, > + PERIPH_RSTEN8_SRAM = 0x408, > + PERIPH_RSTEN8_HARQ = 0x40a, > + PERIPH_RSTEN8_DDRC = 0x40c, > + PERIPH_RSTEN8_DDRC_APB = 0x40d, > + PERIPH_RSTEN8_DDRPACK_APB = 0x40e, > + PERIPH_RSTEN8_DDRT = 0x411, > + > + PERIPH_RSDIST9_CARM_DAP = 0x500, > + PERIPH_RSDIST9_CARM_ATB = 0x501, > + PERIPH_RSDIST9_CARM_LBUS = 0x502, > + PERIPH_RSDIST9_CARM_POR = 0x503, > + PERIPH_RSDIST9_CARM_CORE = 0x504, > + PERIPH_RSDIST9_CARM_DBG = 0x505, > + PERIPH_RSDIST9_CARM_L2 = 0x506, > + PERIPH_RSDIST9_CARM_SOCDBG = 0x507, > + PERIPH_RSDIST9_CARM_ETM = 0x508, > diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > index 09bb9d1..111537a 100644 > --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi > @@ -169,7 +169,7 @@ > }; > > reset_ctrl: reset_ctrl@f7030304 { > - compatible = "hisilicon,hisi_reset_ctl"; > + compatible = "hisilicon,hi6220_reset_ctl"; > reg = <0x0 0xf7030304 0x0 0x1000>; > #reset-cells = <1>; > }; Please drop this change from this patch, fix patch 1 instead. regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
diff --git a/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt new file mode 100644 index 0000000..8a23f50 --- /dev/null +++ b/Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt @@ -0,0 +1,97 @@ +Hisilicon System Reset Controller +====================================== + +Please also refer to reset.txt in this directory for common reset +controller binding usage. + +The reset controller node must be a sub-node of the chip controller +node on SoCs. + +Required properties: +- compatible: may be "hisilicon,hisi_reset_ctl" +- reg: should be register base and length as documented in the + datasheet +- #reset-cells: 1, see below + +Example: + + reset_ctrl: reset_ctrl@f7030304 { + compatible = "hisilicon,hi6220_reset_ctl"; + reg = <0x0 0xf7030304 0x0 0x1000>; + #reset-cells = <1>; + }; + +Specifying reset lines connected to IP modules +============================================== +example: + + uart1: uart1@..... { + ... + resets = <&reset_ctrl 0x305>; + ... + }; + +The following RESET_INDEX values are valid for hi6220 SoC: + PERIPH_RSTDIS0_MMC0 = 0x000, + PERIPH_RSTDIS0_MMC1 = 0x001, + PERIPH_RSTDIS0_MMC2 = 0x002, + PERIPH_RSTDIS0_NANDC = 0x003, + PERIPH_RSTDIS0_USBOTG_BUS = 0x004, + PERIPH_RSTDIS0_POR_PICOPHY = 0x005, + PERIPH_RSTDIS0_USBOTG = 0x006, + PERIPH_RSTDIS0_USBOTG_32K = 0x007, + + PERIPH_RSTDIS1_HIFI = 0x100, + PERIPH_RSTDIS1_DIGACODEC = 0x105, + + PERIPH_RSTEN2_IPF = 0x200, + PERIPH_RSTEN2_SOCP = 0x201, + PERIPH_RSTEN2_DMAC = 0x202, + PERIPH_RSTEN2_SECENG = 0x203, + PERIPH_RSTEN2_ABB = 0x204, + PERIPH_RSTEN2_HPM0 = 0x205, + PERIPH_RSTEN2_HPM1 = 0x206, + PERIPH_RSTEN2_HPM2 = 0x207, + PERIPH_RSTEN2_HPM3 = 0x208, + + PERIPH_RSTEN3_CSSYS = 0x300, + PERIPH_RSTEN3_I2C0 = 0x301, + PERIPH_RSTEN3_I2C1 = 0x302, + PERIPH_RSTEN3_I2C2 = 0x303, + PERIPH_RSTEN3_I2C3 = 0x304, + PERIPH_RSTEN3_UART1 = 0x305, + PERIPH_RSTEN3_UART2 = 0x306, + PERIPH_RSTEN3_UART3 = 0x307, + PERIPH_RSTEN3_UART4 = 0x308, + PERIPH_RSTEN3_SSP = 0x309, + PERIPH_RSTEN3_PWM = 0x30a, + PERIPH_RSTEN3_BLPWM = 0x30b, + PERIPH_RSTEN3_TSENSOR = 0x30c, + PERIPH_RSTEN3_DAPB = 0x312, + PERIPH_RSTEN3_HKADC = 0x313, + PERIPH_RSTEN3_CODEC_SSI = 0x314, + PERIPH_RSTEN3_PMUSSI1 = 0x316, + + PERIPH_RSTEN8_RS0 = 0x400, + PERIPH_RSTEN8_RS2 = 0x401, + PERIPH_RSTEN8_RS3 = 0x402, + PERIPH_RSTEN8_MS0 = 0x403, + PERIPH_RSTEN8_MS2 = 0x405, + PERIPH_RSTEN8_XG2RAM0 = 0x406, + PERIPH_RSTEN8_X2SRAM_TZMA = 0x407, + PERIPH_RSTEN8_SRAM = 0x408, + PERIPH_RSTEN8_HARQ = 0x40a, + PERIPH_RSTEN8_DDRC = 0x40c, + PERIPH_RSTEN8_DDRC_APB = 0x40d, + PERIPH_RSTEN8_DDRPACK_APB = 0x40e, + PERIPH_RSTEN8_DDRT = 0x411, + + PERIPH_RSDIST9_CARM_DAP = 0x500, + PERIPH_RSDIST9_CARM_ATB = 0x501, + PERIPH_RSDIST9_CARM_LBUS = 0x502, + PERIPH_RSDIST9_CARM_POR = 0x503, + PERIPH_RSDIST9_CARM_CORE = 0x504, + PERIPH_RSDIST9_CARM_DBG = 0x505, + PERIPH_RSDIST9_CARM_L2 = 0x506, + PERIPH_RSDIST9_CARM_SOCDBG = 0x507, + PERIPH_RSDIST9_CARM_ETM = 0x508, diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 09bb9d1..111537a 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -169,7 +169,7 @@ }; reset_ctrl: reset_ctrl@f7030304 { - compatible = "hisilicon,hisi_reset_ctl"; + compatible = "hisilicon,hi6220_reset_ctl"; reg = <0x0 0xf7030304 0x0 0x1000>; #reset-cells = <1>; };
Add DT bindings documentation for hi6220 SoC reset controller. Signed-off-by: Chen Feng <puck.chen@hisilicon.com> --- .../bindings/reset/hisilicon,hi6220-reset.txt | 97 ++++++++++++++++++++++ arch/arm64/boot/dts/hisilicon/hi6220.dtsi | 2 +- 2 files changed, 98 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/reset/hisilicon,hi6220-reset.txt