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A few Allwinner clk driver fixes:

Browse Source 
- Mark Allwinner A523 MBUS clock as critical to avoid system
    stalls
  - Fix names of CSI related clocks on Allwinner V3s. This
    includes changes to the driver, DT bindings and DT files.
  - Fix parents of TCON clock on Allwinner V3s
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A few Allwinner clk driver fixes:

   - Mark Allwinner A523 MBUS clock as critical to avoid
     system stalls

   - Fix names of CSI related clocks on Allwinner V3s. This
     includes changes to the driver, DT bindings and DT files.

   - Fix parents of TCON clock on Allwinner V3s"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: sunxi-ng: v3s: Fix TCON clock parents
  clk: sunxi-ng: v3s: Fix CSI1 MCLK clock name
  clk: sunxi-ng: v3s: Fix CSI SCLK clock name
  clk: sunxi-ng: a523: Mark MBUS clock as critical
This commit is contained in:
Linus Torvalds 2025-07-26 13:26:33 -07:00
commit 874885990b
7 changed files with 14 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
View File

@ -110,7 +110,7 @@ examples:
reg = <0x01cb4000 0x1000>;
interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_CSI>,
<&ccu CLK_CSI1_SCLK>,
<&ccu CLK_CSI_SCLK>,
<&ccu CLK_DRAM_CSI>;
clock-names = "bus",
"mod",

2
Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml
View File

@ -79,7 +79,7 @@ examples:
reg = <0x01cb8000 0x1000>;
interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_CSI>,
<&ccu CLK_CSI1_SCLK>,
<&ccu CLK_CSI_SCLK>,
<&ccu CLK_DRAM_CSI>;
clock-names = "bus", "mod", "ram";
resets = <&ccu RST_BUS_CSI>;

2
Documentation/devicetree/bindings/media/allwinner,sun6i-a31-mipi-csi2.yaml
View File

@ -103,7 +103,7 @@ examples:
reg = <0x01cb1000 0x1000>;
interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_CSI>,
<&ccu CLK_CSI1_SCLK>;
<&ccu CLK_CSI_SCLK>;
clock-names = "bus", "mod";
resets = <&ccu RST_BUS_CSI>;

2
arch/arm/boot/dts/allwinner/sun8i-v3s.dtsi
View File

@ -652,7 +652,7 @@ csi1: camera@1cb4000 {
reg = <0x01cb4000 0x3000>;
interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&ccu CLK_BUS_CSI>,
<&ccu CLK_CSI1_SCLK>,
<&ccu CLK_CSI_SCLK>,
<&ccu CLK_DRAM_CSI>;
clock-names = "bus", "mod", "ram";
resets = <&ccu RST_BUS_CSI>;

3
drivers/clk/sunxi-ng/ccu-sun55i-a523.c
View File

@ -385,7 +385,8 @@ static SUNXI_CCU_MP_DATA_WITH_MUX_GATE_FEAT(mbus_clk, "mbus", mbus_parents,
0, 0, /* no P */
24, 3, /* mux */
BIT(31), /* gate */
0, CCU_FEATURE_UPDATE_BIT);
CLK_IS_CRITICAL,
CCU_FEATURE_UPDATE_BIT);
static const struct clk_hw *mbus_hws[] = { &mbus_clk.common.hw };

14
drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
View File

@ -350,7 +350,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
0x104, 0, 4, 24, 2, BIT(31),
CLK_SET_RATE_PARENT);
static const char * const tcon_parents[] = { "pll-video" };
static const char * const tcon_parents[] = { "pll-video", "pll-periph0" };
static SUNXI_CCU_M_WITH_MUX_GATE(tcon_clk, "tcon", tcon_parents,
0x118, 0, 4, 24, 3, BIT(31), 0);
@ -362,11 +362,11 @@ static const char * const csi_mclk_parents[] = { "osc24M", "pll-video",
static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk", csi_mclk_parents,
0x130, 0, 5, 8, 3, BIT(15), 0);
static const char * const csi1_sclk_parents[] = { "pll-video", "pll-isp" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi1_sclk_clk, "csi-sclk", csi1_sclk_parents,
static const char * const csi_sclk_parents[] = { "pll-video", "pll-isp" };
static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
0x134, 16, 4, 24, 3, BIT(31), 0);
static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi-mclk", csi_mclk_parents,
static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk", csi_mclk_parents,
0x134, 0, 5, 8, 3, BIT(15), 0);
static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
@ -452,7 +452,7 @@ static struct ccu_common *sun8i_v3s_ccu_clks[] = {
&tcon_clk.common,
&csi_misc_clk.common,
&csi0_mclk_clk.common,
&csi1_sclk_clk.common,
&csi_sclk_clk.common,
&csi1_mclk_clk.common,
&ve_clk.common,
&ac_dig_clk.common,
@ -551,7 +551,7 @@ static struct clk_hw_onecell_data sun8i_v3s_hw_clks = {
[CLK_TCON0] = &tcon_clk.common.hw,
[CLK_CSI_MISC] = &csi_misc_clk.common.hw,
[CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw,
[CLK_CSI1_SCLK] = &csi1_sclk_clk.common.hw,
[CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
[CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw,
[CLK_VE] = &ve_clk.common.hw,
[CLK_AC_DIG] = &ac_dig_clk.common.hw,
@ -633,7 +633,7 @@ static struct clk_hw_onecell_data sun8i_v3_hw_clks = {
[CLK_TCON0] = &tcon_clk.common.hw,
[CLK_CSI_MISC] = &csi_misc_clk.common.hw,
[CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw,
[CLK_CSI1_SCLK] = &csi1_sclk_clk.common.hw,
[CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
[CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw,
[CLK_VE] = &ve_clk.common.hw,
[CLK_AC_DIG] = &ac_dig_clk.common.hw,

2
include/dt-bindings/clock/sun8i-v3s-ccu.h
View File

@ -96,7 +96,7 @@
#define CLK_TCON0 64
#define CLK_CSI_MISC 65
#define CLK_CSI0_MCLK 66
#define CLK_CSI1_SCLK 67
#define CLK_CSI_SCLK 67
#define CLK_CSI1_MCLK 68
#define CLK_VE 69
#define CLK_AC_DIG 70