Re: [PATCH v7 10/12] reset: Add Nuvoton ma35d1 reset driver support

From: Jacky Huang
Date: Tue Apr 25 2023 - 04:07:14 EST



Dear Ilpo,



On 2023/4/25 下午 03:40, Ilpo Järvinen wrote:
On Tue, 25 Apr 2023, Jacky Huang wrote:


On 2023/4/25 上午 03:21, Philipp Zabel wrote:
Hi Jacky,

On Wed, Apr 12, 2023 at 05:38:22AM +0000, Jacky Huang wrote:
From: Jacky Huang <ychuang3@xxxxxxxxxxx>

This driver supports individual IP reset for ma35d1. The reset
control registers is a subset of system control registers.

Signed-off-by: Jacky Huang <ychuang3@xxxxxxxxxxx>
---

+static const struct {
+ unsigned long id;
Why store the id? ids should be contiguous and should start at 0,
so the id could just be an index into the array.
Thank you, I didn't notice that the IDs were already consecutive.
The id field is indeed unnecessary, and I will remove it.
I recommend you still keep the IDs in the array initializer though, like
this:

...
} ma35d1_reset_map[] = {
[MA35D1_RESET_CHIP] = {0x20, 0},
[MA35D1_RESET_CA35CR0] = {0x20, 1},
...

Okay, I will modify the code like this.

+ u32 reg_ofs;
+ u32 bit;
+} ma35d1_reset_map[] = {
+ { MA35D1_RESET_CHIP, 0x20, 0 },
+ { MA35D1_RESET_CA35CR0, 0x20, 1 },
+ { MA35D1_RESET_CA35CR1, 0x20, 2 },
+ { MA35D1_RESET_CM4, 0x20, 3 },
+ { MA35D1_RESET_PDMA0, 0x20, 4 },
+ { MA35D1_RESET_PDMA1, 0x20, 5 },
+ { MA35D1_RESET_PDMA2, 0x20, 6 },
+ { MA35D1_RESET_PDMA3, 0x20, 7 },
+ { MA35D1_RESET_DISP, 0x20, 9 },
+ { MA35D1_RESET_VCAP0, 0x20, 10 },
+ { MA35D1_RESET_VCAP1, 0x20, 11 },
+ { MA35D1_RESET_GFX, 0x20, 12 },
+ { MA35D1_RESET_VDEC, 0x20, 13 },
+ { MA35D1_RESET_WHC0, 0x20, 14 },
+ { MA35D1_RESET_WHC1, 0x20, 15 },
+ { MA35D1_RESET_GMAC0, 0x20, 16 },
+ { MA35D1_RESET_GMAC1, 0x20, 17 },
+ { MA35D1_RESET_HWSEM, 0x20, 18 },
+ { MA35D1_RESET_EBI, 0x20, 19 },
+ { MA35D1_RESET_HSUSBH0, 0x20, 20 },
+ { MA35D1_RESET_HSUSBH1, 0x20, 21 },
+ { MA35D1_RESET_HSUSBD, 0x20, 22 },
+ { MA35D1_RESET_USBHL, 0x20, 23 },
+ { MA35D1_RESET_SDH0, 0x20, 24 },
+ { MA35D1_RESET_SDH1, 0x20, 25 },
+ { MA35D1_RESET_NAND, 0x20, 26 },
+ { MA35D1_RESET_GPIO, 0x20, 27 },
+ { MA35D1_RESET_MCTLP, 0x20, 28 },
+ { MA35D1_RESET_MCTLC, 0x20, 29 },
+ { MA35D1_RESET_DDRPUB, 0x20, 30 },
+ { MA35D1_RESET_TMR0, 0x24, 2 },
+ { MA35D1_RESET_TMR1, 0x24, 3 },
+ { MA35D1_RESET_TMR2, 0x24, 4 },
+ { MA35D1_RESET_TMR3, 0x24, 5 },
+ { MA35D1_RESET_I2C0, 0x24, 8 },
+ { MA35D1_RESET_I2C1, 0x24, 9 },
+ { MA35D1_RESET_I2C2, 0x24, 10 },
+ { MA35D1_RESET_I2C3, 0x24, 11 },
+ { MA35D1_RESET_QSPI0, 0x24, 12 },
+ { MA35D1_RESET_SPI0, 0x24, 13 },
+ { MA35D1_RESET_SPI1, 0x24, 14 },
+ { MA35D1_RESET_SPI2, 0x24, 15 },
+ { MA35D1_RESET_UART0, 0x24, 16 },
+ { MA35D1_RESET_UART1, 0x24, 17 },
+ { MA35D1_RESET_UART2, 0x24, 18 },
+ { MA35D1_RESET_UAER3, 0x24, 19 },
+ { MA35D1_RESET_UART4, 0x24, 20 },
+ { MA35D1_RESET_UART5, 0x24, 21 },
+ { MA35D1_RESET_UART6, 0x24, 22 },
+ { MA35D1_RESET_UART7, 0x24, 23 },
+ { MA35D1_RESET_CANFD0, 0x24, 24 },
+ { MA35D1_RESET_CANFD1, 0x24, 25 },
+ { MA35D1_RESET_EADC0, 0x24, 28 },
+ { MA35D1_RESET_I2S0, 0x24, 29 },
+ { MA35D1_RESET_SC0, 0x28, 0 },
+ { MA35D1_RESET_SC1, 0x28, 1 },
+ { MA35D1_RESET_QSPI1, 0x28, 4 },
+ { MA35D1_RESET_SPI3, 0x28, 6 },
+ { MA35D1_RESET_EPWM0, 0x28, 16 },
+ { MA35D1_RESET_EPWM1, 0x28, 17 },
+ { MA35D1_RESET_QEI0, 0x28, 22 },
+ { MA35D1_RESET_QEI1, 0x28, 23 },
+ { MA35D1_RESET_ECAP0, 0x28, 26 },
+ { MA35D1_RESET_ECAP1, 0x28, 27 },
+ { MA35D1_RESET_CANFD2, 0x28, 28 },
+ { MA35D1_RESET_ADC0, 0x28, 31 },
+ { MA35D1_RESET_TMR4, 0x2C, 0 },
+ { MA35D1_RESET_TMR5, 0x2C, 1 },
+ { MA35D1_RESET_TMR6, 0x2C, 2 },
+ { MA35D1_RESET_TMR7, 0x2C, 3 },
+ { MA35D1_RESET_TMR8, 0x2C, 4 },
+ { MA35D1_RESET_TMR9, 0x2C, 5 },
+ { MA35D1_RESET_TMR10, 0x2C, 6 },
+ { MA35D1_RESET_TMR11, 0x2C, 7 },
+ { MA35D1_RESET_UART8, 0x2C, 8 },
+ { MA35D1_RESET_UART9, 0x2C, 9 },
+ { MA35D1_RESET_UART10, 0x2C, 10 },
+ { MA35D1_RESET_UART11, 0x2C, 11 },
+ { MA35D1_RESET_UART12, 0x2C, 12 },
+ { MA35D1_RESET_UART13, 0x2C, 13 },
+ { MA35D1_RESET_UART14, 0x2C, 14 },
+ { MA35D1_RESET_UART15, 0x2C, 15 },
+ { MA35D1_RESET_UART16, 0x2C, 16 },
+ { MA35D1_RESET_I2S1, 0x2C, 17 },
+ { MA35D1_RESET_I2C4, 0x2C, 18 },
+ { MA35D1_RESET_I2C5, 0x2C, 19 },
+ { MA35D1_RESET_EPWM2, 0x2C, 20 },
+ { MA35D1_RESET_ECAP2, 0x2C, 21 },
+ { MA35D1_RESET_QEI2, 0x2C, 22 },
+ { MA35D1_RESET_CANFD3, 0x2C, 23 },
+ { MA35D1_RESET_KPI, 0x2C, 24 },
+ { MA35D1_RESET_GIC, 0x2C, 28 },
+ { MA35D1_RESET_SSMCC, 0x2C, 30 },
+ { MA35D1_RESET_SSPCC, 0x2C, 31 }
+};
Best Regards,
Jacky Huang