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Date: Mon, 29 Feb 2016 22:43:35 +0800
From: Vishnu Patekar <vishnupatekar0510@...il.com>
To: Chen-Yu Tsai <wens@...e.org>
Cc: Rob Herring <robh+dt@...nel.org>, Jonathan Corbet <corbet@....net>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Maxime Ripard <maxime.ripard@...e-electrons.com>,
Russell King - ARM Linux <linux@....linux.org.uk>,
Emilio Lopez <emilio@...pez.com.ar>,
Jens Kuske <jenskuske@...il.com>,
Hans De Goede <hdegoede@...hat.com>,
devicetree <devicetree@...r.kernel.org>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
linux-kernel <linux-kernel@...r.kernel.org>,
linux-sunxi <linux-sunxi@...glegroups.com>,
"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Reinder de Haan <patchesrdh@...as.com>,
linux-clk <linux-clk@...r.kernel.org>
Subject: Re: [PATCH v2 04/13] ARM: dts: sun8i-a83t: Add basic clocks and resets
Hello Wens,
On Mon, Feb 29, 2016 at 1:29 AM, Chen-Yu Tsai <wens@...e.org> wrote:
> On Sun, Feb 28, 2016 at 7:18 AM, Vishnu Patekar
> <vishnupatekar0510@...il.com> wrote:
>> This adds A83T system bus clocks, bus gates, and clock resets.
>>
>> Three ahb reset registers are combined into one node.
>>
>> Signed-off-by: Vishnu Patekar <vishnupatekar0510@...il.com>
>> ---
>> arch/arm/boot/dts/sun8i-a83t.dtsi | 114 +++++++++++++++++++++++++++++++++++++-
>> 1 file changed, 112 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
>> index d3473f8..fa7ded5 100644
>> --- a/arch/arm/boot/dts/sun8i-a83t.dtsi
>> +++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
>> @@ -146,6 +146,97 @@
>> clocks = <&osc16M>;
>> clock-output-names = "osc16M-d512";
>> };
>> +
>> + pll6: clk@...20028 {
>> + #clock-cells = <0>;
>> + compatible = "allwinner,sun9i-a80-pll4-clk";
>> + reg = <0x01c20028 0x4>;
>> + clocks = <&osc24M>;
>> + clock-output-names = "pll6";
>> + };
>> +
>> + pll6d2: pll6d2_clk {
>> + #clock-cells = <0>;
>> + compatible = "fixed-factor-clock";
>> + clock-div = <2>;
>> + clock-mult = <1>;
>> + clocks = <&pll6>;
>> + clock-output-names = "pll6d2";
>> + };
>> +
>> + ahb1: clk@...20054 {
>> + #clock-cells = <0>;
>> + compatible = "allwinner,sun8i-a83t-ahb1-clk";
>> + reg = <0x01c20054 0x4>;
>> + clocks = <&osc16Md512>, <&osc24M>, <&pll6>, <&pll6>;
>> + clock-output-names = "ahb1";
>> + };
>> +
>> + apb1: apb1_clk@...20054 {
>> + #clock-cells = <0>;
>> + compatible = "allwinner,sun8i-a83t-apb1-clk";
>> + reg = <0x01c20054 0x4>;
>> + clocks = <&ahb1>;
>> + clock-output-names = "apb1";
>> + };
>> +
>> + apb2: clk@...20058 {
>> + #clock-cells = <0>;
>> + compatible = "allwinner,sun4i-a10-apb1-clk";
>> + reg = <0x01c20058 0x4>;
>> + clocks = <&osc16Md512>, <&osc24M>, <&pll6>, <&pll6>;
>> + clock-output-names = "apb2";
>> + };
>> +
>> + ahb2: clk@...2005c {
>> + #clock-cells = <0>;
>> + compatible = "allwinner,sun8i-h3-ahb2-clk";
>> + reg = <0x01c2005c 0x4>;
>> + clocks = <&ahb1>, <&pll6d2>;
>> + clock-output-names = "ahb2";
>> + };
>> +
>> + bus_gates: clk@...20060 {
>> + #clock-cells = <1>;
>> + compatible = "allwinner,sun8i-a83t-bus-gates-clk";
>> + reg = <0x01c20060 0x10>;
>> + clocks = <&ahb1>, <&ahb2>, <&apb1>, <&apb2>;
>> + clock-names = "ahb1", "ahb2", "apb1", "apb2";
>> + clock-indices = <1>, <5>, <6>,
>> + <8>, <9>, <10>,
>> + <13>, <14>, <17>,
>> + <19>, <20>,
>> + <21>, <24>,
>> + <26>, <27>,
>> + <29>, <32>,
>> + <36>, <37>,
>> + <40>, <43>,
>> + <44>, <52>, <53>,
>> + <54>, <65>,
>> + <69>, <76>, <77>,
>> + <78>, <79>, <96>,
>> + <97>, <98>,
>> + <112>, <113>,
>> + <114>, <115>,
>> + <116>;
>> + clock-output-names = "bus_mipidsi", "bus_ss", "bus_dma",
>> + "bus_mmc0", "bus_mmc1", "bus_mmc2",
>> + "bus_nand", "bus_sdram", "bus_emac",
>> + "bus_hstimer", "bus_spi0",
>> + "bus_spi1", "bus_usb_otg",
>> + "bus_ehci0", "bus_ehci1",
>> + "bus_ohci0", "bus_ve",
>> + "bus_lcd0", "bus_lcd1",
>> + "bus_csi", "bus_hdmi",
>> + "bus_de", "bus_gpu", "bus_msgbox",
>> + "bus_spinlock", "bus_spidf",
>
> "spdif". See https://en.wikipedia.org/wiki/S/PDIF
I'll correct.
>
>> + "bus_pio", "bus_i2s0", "bus_i2s1",
>> + "bus_i2s2", "bus_tdm", "bus_i2c0",
>> + "bus_i2c1", "bus_i2c2",
>> + "bus_uart0", "bus_uart1",
>> + "bus_uart2", "bus_uart3",
>> + "bus_uart4";
>> + };
>> };
>>
>> soc {
>> @@ -160,7 +251,7 @@
>> <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
>> reg = <0x01c20800 0x400>;
>> - clocks = <&osc24M>;
>> + clocks = <&bus_gates 69>;
>> gpio-controller;
>> interrupt-controller;
>> #interrupt-cells = <3>;
>> @@ -189,12 +280,31 @@
>> };
>> };
>>
>> + ahb_reset: reset@...202c0 {
>> + reg = <0x01c202c0 0xc>;
>> + compatible = "allwinner,sun6i-a31-clock-reset";
>> + #reset-cells = <1>;
>> + };
>> +
>> + apb1_reset: reset@...202d0 {
>> + reg = <0x01c202d0 0x4>;
>> + compatible = "allwinner,sun6i-a31-clock-reset";
>> + #reset-cells = <1>;
>> + };
>> +
>> + apb2_reset: reset@...202d8 {
>> + reg = <0x01c202d8 0x4>;
>> + compatible = "allwinner,sun6i-a31-clock-reset";
>> + #reset-cells = <1>;
>> + };
>> +
>> timer@...20c00 {
>> compatible = "allwinner,sun4i-a10-timer";
>> reg = <0x01c20c00 0xa0>;
>> interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
>> <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
>> - clocks = <&osc24M>;
>> + clocks = <&bus_gates 112>;
>> + resets = <&apb2_reset 16>;
>
> These 2 were in uart0 in v1. Clearly something went wrong.
True, I messed it up, I'll correct this also.
This is uart0 reset and clock gate.
Sorry, for these typos, I will be more careful.
>
> ChenYu
>
>> };
>>
>> watchdog@...20ca0 {
>> --
>> 1.9.1
>>
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