[PATCH V2 2/2] soc: s4: Add support for power domains controller
From: Shunzhou.Jiang <hidden>
Date: 2021-12-30 09:46:07
Also in:
linux-amlogic
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
From: Shunzhou Jiang <redacted> Add support s4 Power controller. In s4, power control registers are in secure domain, and should be accessed by smc. Signed-off-by: Shunzhou Jiang <redacted> --- V1->V2: fix spelling error, patchset use cover-letter Link: https://lore.kernel.org/all/20211224072207.2521367-1-shunzhou.jiang@amlogic.com/ (local) --- drivers/soc/amlogic/meson-secure-pwrc.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
diff --git a/drivers/soc/amlogic/meson-secure-pwrc.c b/drivers/soc/amlogic/meson-secure-pwrc.c
index 59bd195fa9c9..8fee01aabab6 100644
--- a/drivers/soc/amlogic/meson-secure-pwrc.c
+++ b/drivers/soc/amlogic/meson-secure-pwrc.c@@ -11,6 +11,7 @@ #include <linux/platform_device.h> #include <linux/pm_domain.h> #include <dt-bindings/power/meson-a1-power.h> +#include <dt-bindings/power/meson-s4-power.h> #include <linux/arm-smccc.h> #include <linux/firmware/meson/meson_sm.h> #include <linux/module.h>
@@ -119,6 +120,17 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = { SEC_PD(RSA, 0), }; +static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = { + SEC_PD(S4_DOS_HEVC, 0), + SEC_PD(S4_DOS_VDEC, 0), + SEC_PD(S4_VPU_HDMI, GENPD_FLAG_ALWAYS_ON), + SEC_PD(S4_USB_COMB, GENPD_FLAG_ALWAYS_ON), + SEC_PD(S4_GE2D, 0), + SEC_PD(S4_ETH, GENPD_FLAG_ALWAYS_ON), + SEC_PD(S4_DEMOD, 0), + SEC_PD(S4_AUDIO, 0), +}; + static int meson_secure_pwrc_probe(struct platform_device *pdev) { int i;
@@ -187,11 +199,20 @@ static struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = { .count = ARRAY_SIZE(a1_pwrc_domains), }; +static struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = { + .domains = s4_pwrc_domains, + .count = ARRAY_SIZE(s4_pwrc_domains), +}; + static const struct of_device_id meson_secure_pwrc_match_table[] = { { .compatible = "amlogic,meson-a1-pwrc", .data = &meson_secure_a1_pwrc_data, }, + { + .compatible = "amlogic,meson-s4-pwrc", + .data = &meson_secure_s4_pwrc_data, + }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table);
--
2.34.1
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