| Message ID | 20231201160925.3136868-17-peter.griffin@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Add minimal Tensor/GS101 SoC support and Oriole/Pixel6 board | expand |
On 12/01/2023, Peter Griffin wrote: > This patch adds the compatibles and drvdata for the Google > gs101 SoC found in Pixel 6, Pixel 6a & Pixel 6 pro phones. > > Similar to Exynos850 it has two watchdog instances, one for > each cluster and has some control bits in PMU registers. > > gs101 also has the dbgack_mask bit in wtcon register, so > we also enable QUIRK_HAS_DBGACK_BIT. > > Signed-off-by: Peter Griffin <peter.griffin@linaro.org> Tested-by: Will McVicker <willmcvicker@google.com> --- I verified boot to a busybox console and that the watchdog probes. Regards, Will > --- > drivers/watchdog/s3c2410_wdt.c | 47 ++++++++++++++++++++++++++++++---- > 1 file changed, 42 insertions(+), 5 deletions(-) > > diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c > index 39f3489e41d6..c1ae71574457 100644 > --- a/drivers/watchdog/s3c2410_wdt.c > +++ b/drivers/watchdog/s3c2410_wdt.c > @@ -68,6 +68,13 @@ > #define EXYNOSAUTOV9_CLUSTER0_WDTRESET_BIT 25 > #define EXYNOSAUTOV9_CLUSTER1_WDTRESET_BIT 24 > > +#define GS_CLUSTER0_NONCPU_OUT 0x1220 > +#define GS_CLUSTER1_NONCPU_OUT 0x1420 > +#define GS_CLUSTER0_NONCPU_INT_EN 0x1244 > +#define GS_CLUSTER1_NONCPU_INT_EN 0x1444 > +#define GS_CLUSTER2_NONCPU_INT_EN 0x1644 > +#define GS_RST_STAT_REG_OFFSET 0x3B44 > + > /** > * DOC: Quirk flags for different Samsung watchdog IP-cores > * > @@ -269,6 +276,30 @@ static const struct s3c2410_wdt_variant drv_data_exynosautov9_cl1 = { > QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN, > }; > > +static const struct s3c2410_wdt_variant drv_data_gs101_cl0 = { > + .mask_reset_reg = GS_CLUSTER0_NONCPU_INT_EN, > + .mask_bit = 2, > + .mask_reset_inv = true, > + .rst_stat_reg = GS_RST_STAT_REG_OFFSET, > + .rst_stat_bit = 0, > + .cnt_en_reg = GS_CLUSTER0_NONCPU_OUT, > + .cnt_en_bit = 8, > + .quirks = QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_MASK_RESET | QUIRK_HAS_PMU_CNT_EN | > + QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_DBGACK_BIT, > +}; > + > +static const struct s3c2410_wdt_variant drv_data_gs101_cl1 = { > + .mask_reset_reg = GS_CLUSTER1_NONCPU_INT_EN, > + .mask_bit = 2, > + .mask_reset_inv = true, > + .rst_stat_reg = GS_RST_STAT_REG_OFFSET, > + .rst_stat_bit = 1, > + .cnt_en_reg = GS_CLUSTER1_NONCPU_OUT, > + .cnt_en_bit = 7, > + .quirks = QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_MASK_RESET | QUIRK_HAS_PMU_CNT_EN | > + QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_DBGACK_BIT, > +}; > + > static const struct of_device_id s3c2410_wdt_match[] = { > { .compatible = "samsung,s3c2410-wdt", > .data = &drv_data_s3c2410 }, > @@ -284,6 +315,8 @@ static const struct of_device_id s3c2410_wdt_match[] = { > .data = &drv_data_exynos850_cl0 }, > { .compatible = "samsung,exynosautov9-wdt", > .data = &drv_data_exynosautov9_cl0 }, > + { .compatible = "google,gs101-wdt", > + .data = &drv_data_gs101_cl0 }, > {}, > }; > MODULE_DEVICE_TABLE(of, s3c2410_wdt_match); > @@ -604,9 +637,10 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) > } > > #ifdef CONFIG_OF > - /* Choose Exynos850/ExynosAutov9 driver data w.r.t. cluster index */ > + /* Choose Exynos850/ExynosAutov9/gs101 driver data w.r.t. cluster index */ > if (variant == &drv_data_exynos850_cl0 || > - variant == &drv_data_exynosautov9_cl0) { > + variant == &drv_data_exynosautov9_cl0 || > + variant == &drv_data_gs101_cl0) { > u32 index; > int err; > > @@ -619,9 +653,12 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) > case 0: > break; > case 1: > - variant = (variant == &drv_data_exynos850_cl0) ? > - &drv_data_exynos850_cl1 : > - &drv_data_exynosautov9_cl1; > + if (variant == &drv_data_exynos850_cl0) > + variant = &drv_data_exynos850_cl1; > + else if (variant == &drv_data_exynosautov9_cl0) > + variant = &drv_data_exynosautov9_cl1; > + else if (variant == &drv_data_gs101_cl0) > + variant = &drv_data_gs101_cl1; > break; > default: > return dev_err_probe(dev, -EINVAL, "wrong cluster index: %u\n", index); > -- > 2.43.0.rc2.451.g8631bc7472-goog >
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 39f3489e41d6..c1ae71574457 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -68,6 +68,13 @@ #define EXYNOSAUTOV9_CLUSTER0_WDTRESET_BIT 25 #define EXYNOSAUTOV9_CLUSTER1_WDTRESET_BIT 24 +#define GS_CLUSTER0_NONCPU_OUT 0x1220 +#define GS_CLUSTER1_NONCPU_OUT 0x1420 +#define GS_CLUSTER0_NONCPU_INT_EN 0x1244 +#define GS_CLUSTER1_NONCPU_INT_EN 0x1444 +#define GS_CLUSTER2_NONCPU_INT_EN 0x1644 +#define GS_RST_STAT_REG_OFFSET 0x3B44 + /** * DOC: Quirk flags for different Samsung watchdog IP-cores * @@ -269,6 +276,30 @@ static const struct s3c2410_wdt_variant drv_data_exynosautov9_cl1 = { QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_CNT_EN, }; +static const struct s3c2410_wdt_variant drv_data_gs101_cl0 = { + .mask_reset_reg = GS_CLUSTER0_NONCPU_INT_EN, + .mask_bit = 2, + .mask_reset_inv = true, + .rst_stat_reg = GS_RST_STAT_REG_OFFSET, + .rst_stat_bit = 0, + .cnt_en_reg = GS_CLUSTER0_NONCPU_OUT, + .cnt_en_bit = 8, + .quirks = QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_MASK_RESET | QUIRK_HAS_PMU_CNT_EN | + QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_DBGACK_BIT, +}; + +static const struct s3c2410_wdt_variant drv_data_gs101_cl1 = { + .mask_reset_reg = GS_CLUSTER1_NONCPU_INT_EN, + .mask_bit = 2, + .mask_reset_inv = true, + .rst_stat_reg = GS_RST_STAT_REG_OFFSET, + .rst_stat_bit = 1, + .cnt_en_reg = GS_CLUSTER1_NONCPU_OUT, + .cnt_en_bit = 7, + .quirks = QUIRK_HAS_PMU_RST_STAT | QUIRK_HAS_PMU_MASK_RESET | QUIRK_HAS_PMU_CNT_EN | + QUIRK_HAS_WTCLRINT_REG | QUIRK_HAS_DBGACK_BIT, +}; + static const struct of_device_id s3c2410_wdt_match[] = { { .compatible = "samsung,s3c2410-wdt", .data = &drv_data_s3c2410 }, @@ -284,6 +315,8 @@ static const struct of_device_id s3c2410_wdt_match[] = { .data = &drv_data_exynos850_cl0 }, { .compatible = "samsung,exynosautov9-wdt", .data = &drv_data_exynosautov9_cl0 }, + { .compatible = "google,gs101-wdt", + .data = &drv_data_gs101_cl0 }, {}, }; MODULE_DEVICE_TABLE(of, s3c2410_wdt_match); @@ -604,9 +637,10 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) } #ifdef CONFIG_OF - /* Choose Exynos850/ExynosAutov9 driver data w.r.t. cluster index */ + /* Choose Exynos850/ExynosAutov9/gs101 driver data w.r.t. cluster index */ if (variant == &drv_data_exynos850_cl0 || - variant == &drv_data_exynosautov9_cl0) { + variant == &drv_data_exynosautov9_cl0 || + variant == &drv_data_gs101_cl0) { u32 index; int err; @@ -619,9 +653,12 @@ s3c2410_get_wdt_drv_data(struct platform_device *pdev, struct s3c2410_wdt *wdt) case 0: break; case 1: - variant = (variant == &drv_data_exynos850_cl0) ? - &drv_data_exynos850_cl1 : - &drv_data_exynosautov9_cl1; + if (variant == &drv_data_exynos850_cl0) + variant = &drv_data_exynos850_cl1; + else if (variant == &drv_data_exynosautov9_cl0) + variant = &drv_data_exynosautov9_cl1; + else if (variant == &drv_data_gs101_cl0) + variant = &drv_data_gs101_cl1; break; default: return dev_err_probe(dev, -EINVAL, "wrong cluster index: %u\n", index);
This patch adds the compatibles and drvdata for the Google gs101 SoC found in Pixel 6, Pixel 6a & Pixel 6 pro phones. Similar to Exynos850 it has two watchdog instances, one for each cluster and has some control bits in PMU registers. gs101 also has the dbgack_mask bit in wtcon register, so we also enable QUIRK_HAS_DBGACK_BIT. Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- drivers/watchdog/s3c2410_wdt.c | 47 ++++++++++++++++++++++++++++++---- 1 file changed, 42 insertions(+), 5 deletions(-)